/* Base & Typography */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Custom 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(20, 184, 166, 0.3);
    color: #f1f5f9;
}

/* Scrollbar hide for mobile menu */
.mobile-menu-hidden {
    overflow: hidden;
}

/* Hero Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.02); }
}

.hero-orb {
    animation: float 8s ease-in-out infinite;
}

.hero-orb:nth-child(2) {
    animation-delay: -2s;
    animation-duration: 10s;
}

.hero-orb:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 12s;
}

@keyframes scroll-down {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(400%); }
}

.animate-scroll-down {
    animation: scroll-down 1.5s ease-in-out infinite;
}

/* Hero Entrance */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    animation: fadeUp 0.8s ease-out forwards;
}

#hero h1 {
    animation: fadeUp 0.8s ease-out 0.15s forwards;
    opacity: 0;
}

#hero p {
    animation: fadeUp 0.8s ease-out 0.3s forwards;
    opacity: 0;
}

#hero > div:last-child > div {
    animation: fadeUp 0.8s ease-out 0.45s forwards;
    opacity: 0;
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
}

/* Nav Link Hover Effect */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #14b8a6, #0d9488);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Service Card Hover */
.service-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s ease, background-color 0.5s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Testimonial Card */
.testimonial-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

/* Trust Items */
.trust-item {
    transition: transform 0.3s ease;
}

.trust-item:hover {
    transform: translateY(-2px);
}

/* Mobile Nav Links */
.mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Menu Button Animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
}

/* Input Focus */
input:focus, textarea:focus {
    box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.1);
}

/* Button Ripple */
button, a {
    cursor: pointer;
}

/* Subtle gradient shimmer on gold elements */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}