/* Base Styles */
* {
    margin: 0;
    padding: 0;
    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: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* Animations */
@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scroll-line {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.5);
        transform-origin: top;
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

.animate-fade-up {
    animation: fade-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    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);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #0d9488;
    transition: width 0.3s ease;
}

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

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.navbar-scrolled .nav-text-color {
    color: #0f172a !important;
}

.navbar-scrolled .nav-text-subtitle {
    color: #64748b !important;
}

.navbar-transparent .nav-text-color {
    color: #ffffff !important;
}

.navbar-transparent .nav-text-subtitle {
    color: #94a3b8 !important;
}

/* Mobile Menu */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: auto !important;
}

.mobile-menu-close .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.mobile-menu-close .menu-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-close .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 20px;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #0d9488, #2dd4bf);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Form Styles */
select option {
    background: #ffffff;
    color: #1e293b;
}

/* Selection */
::selection {
    background: #ccfbf1;
    color: #134e4a;
}

/* Responsive */
@media (max-width: 767px) {
    html {
        scroll-padding-top: 70px;
    }
}