/* Base styles & custom properties */
:root {
    --color-midnight: #0B1D3A;
    --color-mint: #A8D8B9;
    --color-mint-light: #D4EDDF;
    --color-mint-pale: #F0F7F2;
    --color-off-white: #FAFBFC;
    --color-white: #FFFFFF;
}

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection color */
::selection {
    background-color: var(--color-mint);
    color: var(--color-midnight);
}

/* Navbar transition states */
nav.scrolled {
    background-color: rgba(250, 251, 252, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(11, 29, 58, 0.06);
}

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

.mobile-menu-open #line1 {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-open #line2 {
    opacity: 0;
}

.mobile-menu-open #line3 {
    transform: translateY(-6px) rotate(-45deg);
    width: 24px;
}

/* Scroll reveal base states */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.hidden-reveal {
    opacity: 0;
    transform: translateY(30px);
}

/* Staggered children */
.reveal-stagger > * {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-stagger.hidden-reveal > * {
    opacity: 0;
    transform: translateY(20px);
}

.reveal-stagger.hidden-reveal > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.hidden-reveal > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.hidden-reveal > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.hidden-reveal > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.hidden-reveal > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.hidden-reveal > *:nth-child(6) { transition-delay: 0.3s; }

/* Form styles */
.contact-form input,
.contact-form textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(11, 29, 58, 0.15);
    padding: 12px 0;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 300;
    color: #0B1D3A;
    outline: none;
    transition: border-color 0.3s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(11, 29, 58, 0.4);
    font-weight: 300;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-bottom-color: #A8D8B9;
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

/* Success message */
.form-success {
    display: none;
    text-align: center;
    padding: 2rem;
}

.form-success.show {
    display: block;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    .reveal,
    .reveal-stagger > * {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .reveal.hidden-reveal,
    .reveal-stagger.hidden-reveal > * {
        opacity: 1;
        transform: none;
    }
    
    .gallery-grid img,
    .service-card img {
        transition: none;
    }
}

/* Tablet adjustments */
@media (max-width: 768px) {
    .service-card {
        padding: 2rem !important;
    }
}

/* Large desktop */
@media (min-width: 1280px) {
    .max-w-7xl {
        max-width: 80rem;
    }
}