/* ===== BASE & RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== NAVBAR ===== */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

.dark #navbar.scrolled {
    background: rgba(6, 21, 68, 0.95);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #eab308;
    transition: width 0.2s ease;
}

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

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(to bottom, #eab308, #facc15);
    transition: height 0.3s ease;
    border-radius: 0 0 4px 0;
}

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

/* ===== GALLERY ===== */
.gallery-item {
    cursor: pointer;
    position: relative;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(8, 30, 68, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* ===== TESTIMONIAL CARDS ===== */
.testimonial-card {
    position: relative;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, #081e63, #eab308, #081e63);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 2rem 2rem 0 0;
}

.testimonial-card:hover::before {
    opacity: 1;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== MOBILE MENU ===== */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== BACK TO TOP ===== */
#backToTop {
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
}

#backToTop.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ===== GEOMETRIC DECORATION ANIMATIONS ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(12deg); }
    50% { transform: translateY(-10px) rotate(12deg); }
}

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-15px) rotate(45deg); }
}

.geometric-float {
    animation: float 6s ease-in-out infinite;
}

.geometric-float-slow {
    animation: floatSlow 8s ease-in-out infinite;
}

/* ===== FORM STYLES ===== */
input, textarea {
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus, textarea:focus {
    border-color: #eab308;
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.15);
    outline: none;
}

/* ===== SUCCESS MESSAGE ===== */
.form-success {
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }
}