/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(168, 230, 207, 0.3);
    color: #0a1628;
}

/* Navigation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background-color: #a8e6cf;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* Navbar scroll state */
.nav-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(10, 22, 40, 0.05);
}

.nav-scrolled .nav-logo-text {
    color: #0a1628;
}

.nav-scrolled .nav-link {
    color: rgba(10, 22, 40, 0.7) !important;
}

/* Mobile menu */
.mobile-menu-link {
    position: relative;
}

/* Menu toggle animation */
.menu-line {
    transition: all 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.menu-open .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-open .menu-line:nth-child(3) {
    width: 6px;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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 focus styles */
input:focus, textarea:focus {
    border-bottom-color: #7bc8a8 !important;
}

/* Subtle hover lift for gallery images */
.rounded-2xl {
    overflow: hidden;
}

/* Smooth image loading */
img {
    image-rendering: -webkit-optimize-contrast;
}

/* Mobile menu transitions */
#mobile-menu {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f8faf9;
}

::-webkit-scrollbar-thumb {
    background: #a8e6cf;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #7bc8a8;
}

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