/* ─── Reset & Base ─── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

/* ─── Preloader ─── */
#preloader {
    transition: opacity 0.6s ease, visibility 0.6s ease;
    visibility: visible;
}

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

/* ─── Scroll Animations ─── */
.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.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }

    .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; }
}

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

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

.mobile-link {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ─── Menu Button Animation ─── */
.menu-line-1 {
    transform-origin: right center;
}

.menu-line-2 {
    transition-duration: 0.3s;
}

.menu-line-3 {
    transform-origin: left center;
}

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

body.menu-open .menu-line-2 {
    opacity: 0;
}

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

/* ─── Header Scroll State ─── */
#site-header.scrolled {
    box-shadow: 0 1px 0 rgba(10, 31, 63, 0.08);
}

/* ─── Custom Selection ─── */
::selection {
    background: rgba(200, 164, 94, 0.2);
    color: #0A1F3F;
}

/* ─── Focus Styles ─── */
:focus-visible {
    outline: 2px solid #C8A45E;
    outline-offset: 4px;
}

/* ─── Form Inputs ─── */
input::placeholder,
textarea::placeholder {
    color: rgba(10, 31, 63, 0.3);
}

input:focus,
textarea:focus {
    border-color: #0A1F3F !important;
}

/* ─── Smooth Image Loading ─── */
img {
    background-color: rgba(10, 31, 63, 0.05);
}

/* ─── Thin Scrollbar ─── */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(10, 31, 63, 0.2);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(10, 31, 63, 0.4);
}