/* ============================================
   WAVERLY NUTRITION — Custom Styles
   Premium Dark Luxury + Forest Green Theme
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #faf8f4;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a1f0a;
}
::-webkit-scrollbar-thumb {
    background: #2d5a2d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #3d7a3d;
}

/* ============================================
   NAVBAR
   ============================================ */
#navbar {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

#navbar.scrolled {
    background: rgba(10, 31, 10, 0.92);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ============================================
   HERO ANIMATIONS
   ============================================ */
.hero-elem {
    opacity: 0;
    transform: translateY(24px);
    animation: heroReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-elem:nth-child(1) { animation-delay: 0.1s; }
.hero-elem:nth-child(2) { animation-delay: 0.25s; }
.hero-elem:nth-child(3) { animation-delay: 0.4s; }
.hero-elem:nth-child(4) { animation-delay: 0.55s; }

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-float {
    animation: float 6s ease-in-out infinite;
}

.hero-float:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 7s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
}

/* ============================================
   SCROLL REVEAL (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(32px);
        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);
    }
}

/* Fallback: always visible if JS disabled or reduced motion */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hero-elem {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* Mobile menu animation */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.3s ease;
    opacity: 0;
}

#mobileMenu.open {
    max-height: 400px;
    opacity: 1;
}

/* Hamburger animation */
.menu-line {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#menuToggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#menuToggle.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#menuToggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 20px;
    margin-left: 0;
}

/* ============================================
   CARD HOVER EFFECTS
   ============================================ */
.group:hover .group-hover\\:scale-105 {
    transform: scale(1.05);
}

/* ============================================
   BUTTON RIPPLE / SHINE
   ============================================ */
.bg-gradient-to-r.from-gold-500.to-gold-400 {
    position: relative;
    overflow: hidden;
}

.bg-gradient-to-r.from-gold-500.to-gold-400::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.bg-gradient-to-r.from-gold-500.to-gold-400:hover::after {
    left: 100%;
}

/* ============================================
   INPUT FOCUS ANIMATIONS
   ============================================ */
input:focus, textarea:focus {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    .hero-float {
        display: none;
    }
}

@media (min-width: 769px) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(32px);
    }
}