/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ===== NAV SCROLL SHADOW ===== */
#site-header.scrolled {
    box-shadow: 0 4px 30px rgba(0,0,0,0.25);
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
    animation: slideDown 0.25s ease-out;
}
#mobile-menu.hidden {
    animation: slideUp 0.2s ease-in forwards;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
    from { opacity: 1; transform: translateY(0); }
    to   { opacity: 0; transform: translateY(-8px); }
}

/* ===== HERO STATS ===== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%        { transform: translateY(-6px); }
}
.floating-card {
    animation: float 3.5s ease-in-out infinite;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    will-change: transform;
}

/* ===== PROCESS STEPS ===== */
.process-step::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, #A8E6CF, transparent);
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== FAQ ===== */
.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-content.open {
    max-height: 300px;
}
.faq-icon {
    transition: transform 0.25s ease;
}
.faq-icon.rotated {
    transform: rotate(45deg);
}

/* ===== SCROLL REVEAL (below-fold only, progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s 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; }
}

/* ===== BUTTON HOVER ===== */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* ===== FORM FOCUS ===== */
input:focus, select:focus, textarea:focus {
    outline: none;
}

/* ===== SELECTION ===== */
::selection {
    background: #A8E6CF;
    color: #0A2342;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0A2342; }
::-webkit-scrollbar-thumb { background: #2E62B3; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #4D7FC1; }

/* ===== PRINT ===== */
@media print {
    #site-header, #mobile-menu { display: none; }
    body { color: #000; background: #fff; }
    section { padding: 1rem 0; }
}