/* ===== 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-color: rgba(125, 211, 192, 0.3);
    color: #0F2B4C;
}

/* ===== NAVBAR ===== */
#site-header {
    background: rgba(255, 255, 255, 0.0);
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#site-header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 20px rgba(15, 43, 76, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: #22A67B;
    border-radius: 1px;
    transition: transform 0.3s ease, width 0.3s ease;
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
    width: 24px;
}

/* ===== MOBILE MENU ===== */
#hamburger span {
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#mobile-menu.open #hamburger span:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
}

#mobile-menu.open #hamburger span:nth-child(2) {
    opacity: 0;
}

#mobile-menu.open #hamburger span:nth-child(3) {
    transform: translateX(4px);
    width: 20px;
}

.mobile-link {
    display: block;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #22A67B, #7DD3C0);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: none;
}

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

/* ===== FORM STYLES ===== */
input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(34, 166, 123, 0.1);
}

/* ===== ACCESSIBILITY ===== */
:focus-visible {
    outline: 2px solid #22A67B;
    outline-offset: 2px;
}

/* ===== RESPONSIVE TWEAKS ===== */
@media (max-width: 640px) {
    #hero {
        min-height: auto;
        padding-top: 80px;
        padding-bottom: 60px;
    }
    
    .font-serif {
        line-height: 1.2;
    }
}

/* ===== PRINT ===== */
@media print {
    #site-header, #contact-form, iframe {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}