*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    overflow-x: hidden;
}

/* Page Loader */
#page-loader {
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#page-loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

/* Header */
#site-header.scrolled {
    background: rgba(253, 252, 250, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(5, 150, 105, 0.08), 0 4px 24px rgba(5, 150, 105, 0.04);
}

#site-header.scrolled .nav-link {
    color: rgba(5, 78, 59, 0.7);
}

/* Mobile Menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-link {
    transition: color 0.2s ease;
}

/* Hero floating cards */
.float-slow {
    animation: float-slow 6s ease-in-out infinite;
}

.float-medium {
    animation: float-medium 4.5s ease-in-out infinite;
    animation-delay: 0.5s;
}

.float-fast {
    animation: float-fast 3.5s ease-in-out infinite;
    animation-delay: 1s;
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

@keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

/* 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, #059669, #34D399);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

/* Process Steps */
.process-step {
    opacity: 1;
}

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

.testimonial-card::after {
    content: '"';
    position: absolute;
    top: 16px;
    right: 24px;
    font-family: 'Playfair Display', serif;
    font-size: 6rem;
    font-weight: 700;
    color: rgba(5, 150, 105, 0.05);
    line-height: 1;
    pointer-events: none;
}

/* Back to Top */
#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

#back-to-top:not(.visible) {
    transform: translateY(10px);
}

#back-to-top.visible {
    transform: translateY(0);
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FDFCFA; }
::-webkit-scrollbar-thumb { background: #A7F3D0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #6EE7B7; }

/* Form select arrow */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}