/* Base & Utilities */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* Gold Button */
.gold-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
    color: #0f172a;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 0.75rem 1.75rem;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 0 20px rgba(251, 191, 36, 0.2), 0 4px 15px rgba(0, 0, 0, 0.3);
}
.gold-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(251, 191, 36, 0.35), 0 8px 25px rgba(0, 0, 0, 0.4);
    color: #0f172a;
}
.gold-btn:active { transform: translateY(0); }

/* Navbar */
#navbar {
    background: transparent;
}
#navbar.scrolled {
    background: rgba(2, 6, 23, 0.9);
    backdrop-blur: 20px;
    border-bottom: 1px solid rgba(45, 112, 239, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Service Cards */
.service-card { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.service-card.visible { opacity: 1; transform: translateY(0); }

/* Process Steps */
.process-step { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.process-step.visible { opacity: 1; transform: translateY(0); }

/* Testimonials */
.testimonial-card {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease;
}
.testimonial-card.visible { opacity: 1; transform: translateY(0); }
.testimonial-card:hover { border-color: rgba(45, 112, 239, 0.3); }

/* Floating Animations */
@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}
@keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}
.animate-float-slow { animation: float-slow 5s ease-in-out infinite; }
.animate-float-medium { animation: float-medium 4s ease-in-out infinite; }
.animate-float-fast { animation: float-fast 3s ease-in-out infinite; }

/* Mobile Menu */
.mobile-link { transition: opacity 0.3s ease; }
#mobileMenu.open { opacity: 1; pointer-events: all; }
#mobileMenu.closed { opacity: 0; pointer-events: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #020617; }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #334155; }

/* Selection */
::selection { background: rgba(13, 148, 136, 0.3); color: #f1f5f9; }

/* Responsive */
@media (max-width: 768px) {
    .gold-btn { width: 100%; text-align: center; }
}