/* ============================================
   The Bushcraft Survivor & Camping Store
   Custom Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(254, 252, 248, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(173, 159, 142, 0.2);
    transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
    box-shadow: 0 1px 20px rgba(46, 40, 36, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #B5532B;
    transition: width 0.25s ease;
}

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

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

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

.mobile-menu-link {
    display: block;
}

/* Hamburger animation */
#menu-btn[aria-expanded="true"] #hamburger span:nth-child(1) {
    transform: translateY(3.5px) rotate(45deg);
}

#menu-btn[aria-expanded="true"] #hamburger span:nth-child(2) {
    opacity: 0;
}

#menu-btn[aria-expanded="true"] #hamburger span:nth-child(3) {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* --- Card Elevation --- */
.card-elevated {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card-elevated:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(46, 40, 36, 0.1);
}

/* --- Reveal Animations (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

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

    /* Staggered delays */
    .reveal-up:nth-child(1) { transition-delay: 0.05s; }
    .reveal-up:nth-child(2) { transition-delay: 0.12s; }
    .reveal-up:nth-child(3) { transition-delay: 0.19s; }
    .reveal-up:nth-child(4) { transition-delay: 0.26s; }
    .reveal-up:nth-child(5) { transition-delay: 0.33s; }
    .reveal-up:nth-child(6) { transition-delay: 0.40s; }
}

/* When JS is disabled or reduced-motion preferred, all content is visible */
.no-js .reveal-up,
@media (prefers-reduced-motion: reduce) {
    .reveal-up {
        opacity: 1;
        transform: none;
    }
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
}

/* --- Selection --- */
::selection {
    background: rgba(181, 83, 43, 0.2);
    color: #2e2824;
}

/* --- Focus styles --- */
:focus-visible {
    outline: 2px solid #B5532B;
    outline-offset: 2px;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f5f2ef;
}

::-webkit-scrollbar-thumb {
    background: #ad9f8e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #867964;
}

/* --- Responsive tweaks --- */
@media (max-width: 640px) {
    .site-header {
        background: rgba(254, 252, 248, 0.95);
    }
}