/* 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 */
::selection {
    background: rgba(91, 189, 149, 0.3);
    color: #f0f3f9;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #141f3a;
}
::-webkit-scrollbar-thumb {
    background: #2a3f6e;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #334d87;
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(12, 19, 38, 0.95) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(42, 63, 110, 0.5);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* 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, transparent, rgba(91, 189, 149, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Testimonial cards */
.testimonial-card {
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 16px;
    right: 24px;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 80px;
    line-height: 1;
    color: rgba(91, 189, 149, 0.08);
    pointer-events: none;
}

/* Scroll reveal animations — only for below-fold content */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s 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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Mobile menu transitions */
#mobile-menu {
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #5bbd95;
    outline-offset: 2px;
}

/* Image placeholder fallbacks */
img {
    background: linear-gradient(135deg, #1a2744 0%, #0f1a2e 100%);
}

/* Print styles */
@media print {
    nav, #contact-form, iframe {
        display: none;
    }
    body {
        background: white;
        color: black;
    }
}