/* ============================================
   Rehab Supply — Custom Styles
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(94, 234, 212, 0.3);
    color: #f0fdfa;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #060f1e;
}
::-webkit-scrollbar-thumb {
    background: rgba(94, 234, 212, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(94, 234, 212, 0.5);
}

/* ============================================
   Navigation
   ============================================ */
#navbar {
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(3, 9, 20, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #5eead4;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #5eead4 !important;
}

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

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

/* ============================================
   Hero
   ============================================ */
#hero {
    position: relative;
}

#hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, #030914, transparent);
    pointer-events: none;
    z-index: 1;
}

/* ============================================
   Scroll Reveal (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    /* Stagger children */
    .scroll-reveal:nth-child(2) { transition-delay: 0.08s; }
    .scroll-reveal:nth-child(3) { transition-delay: 0.16s; }
    .scroll-reveal:nth-child(4) { transition-delay: 0.24s; }
    .scroll-reveal:nth-child(5) { transition-delay: 0.32s; }
    .scroll-reveal:nth-child(6) { transition-delay: 0.40s; }
}

/* Always visible for reduced motion or no-JS */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
}

/* ============================================
   Product Cards
   ============================================ */
.group:hover .group-hover\:scale-105 {
    transform: scale(1.05);
}

/* ============================================
   Form Inputs
   ============================================ */
input:focus,
textarea:focus {
    outline: none;
}

/* ============================================
   Mobile Menu
   ============================================ */
#mobileMenu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.1;
    }
}

@media (min-width: 641px) and (max-width: 1023px) {
    /* Tablet adjustments */
}

/* ============================================
   Print
   ============================================ */
@media print {
    #navbar,
    #hero::after,
    .scroll-reveal {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }
}