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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(94, 234, 209, 0.2);
    color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #0A1628;
}
::-webkit-scrollbar-thumb {
    background: rgba(94, 234, 209, 0.2);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(94, 234, 209, 0.4);
}

/* ===== Navbar ===== */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #5EEAD1;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

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

.menu-line {
    display: block;
}

#menu-btn.active .menu-line:first-child {
    transform: rotate(45deg) translate(2px, 2px);
}
#menu-btn.active .menu-line:last-child {
    transform: rotate(-45deg) translate(2px, -2px);
}

/* ===== Floating Cards ===== */
@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
@keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

.card-float {
    animation: float1 6s ease-in-out infinite;
}
.card-float-2 {
    animation: float2 7s ease-in-out infinite;
}
.card-float-3 {
    animation: float3 5s ease-in-out infinite;
}

/* ===== Reveal Animations ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== Service Cards ===== */
.service-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .service-card {
        opacity: 0;
        transform: translateY(20px);
    }
    .service-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .testimonial-card {
        opacity: 0;
        transform: translateY(20px);
    }
    .testimonial-card.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Area Items ===== */
.area-item {
    opacity: 1;
    transition: background 0.3s ease;
}
.area-item:hover {
    background: rgba(94, 234, 209, 0.03);
}
.area-item:hover span:first-child {
    color: #5EEAD1;
}

@media (prefers-reduced-motion: no-preference) {
    .area-item {
        opacity: 0;
        transform: translateX(-10px);
    }
    .area-item.revealed {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Form Focus States ===== */
input:focus, textarea:focus, select:focus {
    outline: none;
}

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='rgba(255,255,255,0.3)' 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 0 center;
}

/* ===== Utility ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}