/* ==========================================================================
   THEME PREMIUM SILVER/PLATINUM - ZERO LAG OPTIMIZED
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;800&family=Inter:wght@300;400;600&display=swap');

:root {
  --bg-gradient: linear-gradient(145deg, #d7d7e1 0%, #f0f0f5 50%, #ffffff 100%);
  --bg-card: rgba(255, 255, 255, 0.85); 
  --warna-utama: #ff2e3d;               
  --warna-hover: #d60012;               
  --text-main: #1a1a24;                 
  --text-muted: #5c5c6d;                
  --accent-shadow: rgba(255, 46, 61, 0.25);
  --glass-border: rgba(0, 0, 0, 0.12);  
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

html { scroll-behavior: smooth; }
body { 
  font-family: 'Inter', sans-serif; 
  background: var(--bg-gradient); 
  background-attachment: fixed; 
  color: var(--text-main);
  overflow-x: hidden; 
}

h1, h2, h3, h4, .navbar-brand-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f0f0f5; }
::-webkit-scrollbar-thumb { background: #c0c0c8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--warna-utama); }

.text-danger { color: var(--warna-utama) !important; }
.bg-danger { background-color: var(--warna-utama) !important; }
.text-muted { color: var(--text-muted) !important; }

/* EFEK MENGETIK OTOMATIS */
#typing-text { color: var(--warna-utama); font-weight: 800; }
#typing-text::after { content: '|'; animation: blink 0.7s infinite; color: var(--text-main); }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ==========================================================================
   TOMBOL & KARTU LAYANAN (DENGAN HARDWARE ACCELERATION)
   ========================================================================== */
.btn-danger { 
  background: linear-gradient(135deg, var(--warna-utama), var(--warna-hover)) !important; 
  border: none !important; color: white !important; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; box-shadow: 0 4px 15px var(--accent-shadow) !important; transition: all 0.3s ease !important;
  will-change: transform;
}
.btn-danger:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 10px 25px var(--accent-shadow) !important; }

.btn-outline-dark {
  border: 2px solid var(--text-main) !important; background-color: var(--text-main) !important; 
  color: #ffffff !important; font-weight: 700; text-transform: uppercase; transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15) !important;
  will-change: transform;
}
.btn-outline-dark:hover {
  background-color: transparent !important; color: var(--text-main) !important; 
  transform: translateY(-3px) scale(1.02); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1) !important;
}

.navbar {
  background: rgba(255, 255, 255, 0.75) !important; backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border); transition: all 0.3s ease; padding: 15px 0;
  will-change: padding, background;
}
.navbar-scrolled { padding: 10px 0; background: rgba(255, 255, 255, 0.95) !important; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.navbar-brand-text { font-size: 1.3rem; font-weight: 800; color: var(--text-main) !important; letter-spacing: 1px; }
.navbar-brand-text span { color: var(--warna-utama); }
.nav-link { color: var(--text-main) !important; font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; transition: color 0.3s ease; }
.nav-link:hover, .nav-link.active { color: var(--warna-utama) !important; }

.hero-banner { 
  background: linear-gradient(rgba(235, 235, 240, 0.85), rgba(255, 255, 255, 0.95)), url('img/bg.webp') no-repeat center center; 
  background-size: cover; padding: 180px 0 120px 0; text-align: center;
}
.hero-banner h1 { font-size: 3.5rem; font-weight: 800; text-transform: uppercase; letter-spacing: -1px; line-height: 1.2; color: var(--text-main); height: 110px; }
@media (max-width: 768px) { .hero-banner h1 { font-size: 2.2rem; height: 90px; } .hero-banner { padding: 140px 0 80px 0; } }

.section-title { font-weight: 800; text-transform: uppercase; margin-bottom: 40px; position: relative; padding-bottom: 15px; font-size: 2rem; letter-spacing: 1px; color: var(--text-main); }
.section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 80px; height: 4px; background-color: var(--warna-utama) !important; border-radius: 2px; }
.text-start.section-title::after { left: 0; transform: translateX(0); }

/* Kartu Minimalis (Dikembalikan) */
.catalog-card { 
  background: var(--bg-card); backdrop-filter: blur(10px); border: 1px solid var(--glass-border); 
  height: 100%; border-radius: 12px; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); 
  color: var(--text-main); box-shadow: var(--card-shadow);
  will-change: transform, box-shadow; /* Optimasi Scroll */
}
.catalog-card:hover { transform: translateY(-5px); border-color: var(--warna-utama); box-shadow: 0 15px 35px rgba(255, 46, 61, 0.15) !important; }
.catalog-card i { transition: transform 0.3s ease; }
.catalog-card:hover i { transform: scale(1.15); }
.catalog-card h3 { color: var(--text-main); font-size: 1rem; margin-top: 15px; font-weight: 700;}

/* GPU Acceleration pada Gambar Galeri agar Tidak Lag */
.gallery-img { 
  width: 100%; height: 240px; object-fit: cover; border-radius: 12px; 
  transition: all 0.3s ease; cursor: pointer; border: 1px solid var(--glass-border); 
  box-shadow: var(--card-shadow);
  transform: translateZ(0); /* Memaksa render menggunakan GPU */
  backface-visibility: hidden; 
  will-change: transform, box-shadow;
}
.gallery-img:hover { transform: scale(1.05) translateZ(0); border-color: var(--warna-utama); box-shadow: 0 12px 30px rgba(0,0,0,0.15); z-index: 2; position: relative; }

.timeline { position: relative; border-left: 3px solid #dcdce6; padding-left: 30px; margin-left: 15px; }
.timeline-step { position: relative; margin-bottom: 30px; }
.timeline-step::before { content: ''; position: absolute; left: -39px; top: 2px; width: 15px; height: 15px; border-radius: 50%; background-color: #dcdce6; border: 3px solid #ffffff; }
.step-completed::before { background-color: #00c853; box-shadow: 0 0 10px rgba(0, 200, 83, 0.3); }
.step-active::before { background-color: #ff9f00; box-shadow: 0 0 15px rgba(255, 159, 0, 0.4); animation: pulse 1.5s infinite; }
.step-completed h6 { color: #00c853; font-weight: bold; }
.step-active h6 { color: #ff9f00; font-weight: bold; }

@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 159, 0, 0.5); } 70% { box-shadow: 0 0 0 10px rgba(255, 159, 0, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 159, 0, 0); } }

.card.shadow-4 { background: var(--bg-card); backdrop-filter: blur(10px); border: 1px solid var(--glass-border); color: var(--text-main); border-radius: 16px; box-shadow: var(--card-shadow) !important; }
.form-control, .form-select { background-color: rgba(255, 255, 255, 0.9) !important; border: 1px solid rgba(0,0,0,0.15) !important; color: var(--text-main) !important; border-radius: 8px; transition: all 0.3s ease; }
.form-control:focus, .form-select:focus { border-color: var(--warna-utama) !important; box-shadow: 0 0 15px rgba(255, 46, 61, 0.15) !important; }

@keyframes wa-pulse { 0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); } 70% { box-shadow: 0 0 0 20px rgba(37, 211, 102, 0); } 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); } }
.floating-wa { position: fixed; bottom: 30px; right: 30px; background: linear-gradient(135deg, #25d366, #1ebd57); color: white !important; border-radius: 50px; padding: 12px 25px; font-size: 16px; font-weight: bold; z-index: 1000; display: flex; align-items: center; gap: 10px; transition: 0.3s ease; animation: wa-pulse 2s infinite; will-change: transform; }
.floating-wa:hover { transform: translateY(-5px) scale(1.05); }

/* Animasi Muncul Mulus (Dioptimasi untuk Observer) */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); will-change: opacity, transform; }
.reveal.active { opacity: 1; transform: translateY(0); }

.lightbox-modal { display: none; position: fixed; z-index: 9999; padding-top: 70px; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(255,255,255,0.95); backdrop-filter: blur(5px); opacity: 0; transition: opacity 0.3s ease; will-change: opacity;}
.lightbox-modal.show { opacity: 1; }
.lightbox-content { margin: auto; display: block; max-width: 88%; max-height: 82vh; border-radius: 12px; box-shadow: 0 15px 40px rgba(0,0,0,0.2); transform: scale(0.9); transition: transform 0.3s ease; will-change: transform;}
.lightbox-modal.show .lightbox-content { transform: scale(1); }
.lightbox-close { position: absolute; top: 20px; right: 35px; color: var(--text-main); font-size: 45px; font-weight: bold; cursor: pointer; transition: 0.2s; }
.lightbox-close:hover { color: var(--warna-utama); }

.social-links { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.social-link { width: 45px; height: 45px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--text-main) !important; color: #ffffff !important; box-shadow: 0 4px 10px rgba(0,0,0,0.15); transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); will-change: transform; }
.social-link:hover { background: var(--warna-utama) !important; color: #ffffff !important; transform: translateY(-5px) scale(1.1); box-shadow: 0 8px 20px var(--accent-shadow); }