/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
}

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

::selection {
    background: rgba(42, 138, 118, 0.2);
    color: #0D3B55;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(13, 59, 85, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.15);
}

/* ===== Mobile Menu ===== */
.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* ===== Service Cards ===== */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Gallery ===== */
.gallery-item {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.gallery-item.visible {
    opacity: 1;
    transform: scale(1);
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.testimonial-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== About Section ===== */
.about-image {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.about-image.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-text {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.about-text.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===== Contact Form ===== */
.contact-info {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.contact-info.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-form {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.contact-form.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===== Smooth image hover ===== */
.gallery-item img,
.about-image img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .service-card, .gallery-item, .testimonial-card,
    .about-image, .about-text, .contact-info, .contact-form {
        opacity: 1;
        transform: none;
        transition: none;
    }
}