/* ========================================
   Level Up Nutrition — Custom Styles
   Classic & Elegant · Teal + Slate Palette
======================================== */

/* ---------- Base Reset & Globals ---------- */
*, *::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-color: #0f766e;
    color: #f1f5f9;
}

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

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #0f766e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #14b8a6;
}

/* ---------- Navbar Transition ---------- */
#navbar {
    transition: background-color 0.5s ease, box-shadow 0.5s ease, padding 0.5s ease;
}

#navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-logo-text {
    transition: color 0.5s ease;
}

#navbar.scrolled .nav-logo-text {
    color: #f1f5f9;
}

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

#mobile-menu.active .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 0;
}

#mobile-menu.active .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.active .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.active .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.active .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.active .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Mobile Menu Button ---------- */
#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
}

#mobile-menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 6rem;
}

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    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);
}

.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; }

/* ---------- Form Styles ---------- */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    padding-right: 2rem;
}

select:focus {
    border-color: #0f766e !important;
}

/* ---------- Image Hover Effects ---------- */
.group:hover .group-hover\\:scale-110 {
    transform: scale(1.1);
}

/* ---------- Button Focus States ---------- */
button:focus-visible,
a:focus-visible {
    outline: 2px solid #5eead4;
    outline-offset: 2px;
}

/* ---------- Input Focus States ---------- */
input:focus,
textarea:focus,
select:focus {
    border-color: #0f766e !important;
}

/* ---------- Subtle Pattern Overlay for Sections ---------- */
section::before {
    content: '';
    pointer-events: none;
}

/* ---------- Print Styles ---------- */
@media print {
    #navbar,
    #mobile-menu,
    .reveal {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    a {
        color: black !important;
        text-decoration: underline !important;
    }
}