/* ===== Base & Utilities ===== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(201, 152, 46, 0.3);
    color: #091230;
}

/* ===== Navbar Transition ===== */
#navbar.scrolled {
    background-color: rgba(9, 18, 48, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: #d4a843;
    transition: width 0.3s ease;
}

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

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

.hamburger-line {
    display: block;
}

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

#mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

#mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.2rem;
}

/* ===== Floating Card Animations ===== */
.card-float-1 {
    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;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

/* ===== Service Cards ===== */
.service-card {
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-4px);
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
    transform: translateY(0);
}

.testimonial-card:hover {
    transform: translateY(-4px);
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    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; }

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #091230;
}

::-webkit-scrollbar-thumb {
    background: #1a2d5c;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #d4a843;
}

/* ===== Selection & Focus ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ===== Responsive adjustments ===== */
@media (max-width: 768px) {
    .card-float-1,
    .card-float-2,
    .card-float-3 {
        animation: none;
        transform: none;
    }
}