/* ===== Base & Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(44, 181, 149, 0.3);
    color: #f0f4f8;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #102a43;
}
::-webkit-scrollbar-thumb {
    background: #243b53;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2cb595;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation-name: fadeIn;
    animation-duration: 0.8s;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    animation-fill-mode: forwards;
}

/* ===== Reveal on Scroll ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Initial state for reveal elements (visible by default for no-JS) */
.reveal {
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Navbar Transition ===== */
.nav-scrolled {
    background: rgba(10, 25, 41, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(44, 181, 149, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Service Card Hover ===== */
.group:hover .group-hover\:bg-midnight-900 {
    background: #1a2f47 !important;
}

/* ===== Focus Styles ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px rgba(44, 181, 149, 0.2);
}

/* ===== Button Ripple Effect ===== */
button, a {
    -webkit-tap-highlight-color: transparent;
}

/* ===== Mobile Menu ===== */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(36, 59, 83, 0.5);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* ===== Select Dropdown ===== */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239fb3c8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ===== Smooth Section Transitions ===== */
section {
    position: relative;
}

/* ===== Image Loading ===== */
img {
    max-width: 100%;
    height: auto;
}

/* ===== Print Styles ===== */
@media print {
    nav, #contact-form, .reveal {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}