/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1f44;
}
::-webkit-scrollbar-thumb {
    background: #5eead4;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2dd4bf;
}

/* Navbar */
#navbar.scrolled {
    background: rgba(10, 31, 68, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

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

@keyframes float-reverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(15px) rotate(-1deg); }
}

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

.circle-1 { animation-delay: 0s; }
.circle-2 { animation: float-reverse 10s ease-in-out infinite; }
.circle-3 { animation: float 12s ease-in-out infinite; animation-delay: 2s; }

/* Service Cards */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #5eead4, #14b8a6);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* Feature Cards */
.feature-card {
    transition: transform 0.5s ease, background 0.5s ease, border-color 0.5s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
}

/* Mobile Menu */
#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.active .mobile-link {
    animation: slideUp 0.4s ease forwards;
    opacity: 0;
}

#mobile-menu.active .mobile-link:nth-child(1) { animation-delay: 0.1s; }
#mobile-menu.active .mobile-link:nth-child(2) { animation-delay: 0.2s; }
#mobile-menu.active .mobile-link:nth-child(3) { animation-delay: 0.3s; }
#mobile-menu.active .mobile-link:nth-child(4) { animation-delay: 0.4s; }
#mobile-menu.active .mobile-link:nth-child(5) { animation-delay: 0.5s; }

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hamburger Animation */
#menu-btn.active #bar1 {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-btn.active #bar2 {
    opacity: 0;
}

#menu-btn.active #bar3 {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.25rem;
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.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; }

/* Form Focus States */
input:focus, select:focus, textarea:focus {
    box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.2);
}

/* Selection */
::selection {
    background: #5eead4;
    color: #0a1f44;
}

/* Image hover zoom */
img {
    transition: transform 0.6s ease;
}

/* Print styles */
@media print {
    #navbar, #menu-btn, .hero-circle, [class*="animate-"] {
        display: none !important;
    }
    body {
        color: #000;
        background: #fff;
    }
}