/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0f4c5c;
}

::-webkit-scrollbar-thumb {
    background: #2d8296;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4fa3b0;
}

/* ===== Navigation ===== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4fa3b0;
    transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
.mobile-menu-link {
    position: relative;
}

/* ===== Hero Section ===== */
#hero {
    position: relative;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: #2d8296;
    transition: height 0.5s ease;
}

.service-card:hover::before {
    height: 100%;
}

/* ===== Section Animations ===== */
.fade-in-section {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Form Styles ===== */
input:focus,
select:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(45, 130, 150, 0.1);
}

/* ===== Utility ===== */
.text-shadow {
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* ===== Print Styles ===== */
@media print {
    nav, #mobile-menu, .scroll-indicator {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}