/* ========================================
   Yin-Yang Nutrition — Custom Styles
   Premium Dark Luxury Theme
   ======================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background: rgba(94, 234, 212, 0.3);
    color: #ffffff;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Scroll-triggered animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

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

#navbar.scrolled {
    background-color: rgba(10, 15, 30, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 168, 67, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #5EEAD4, #D4A843);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #5EEAD4 !important;
}

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

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

.mobile-link {
    font-family: 'Playfair Display', Georgia, serif;
    transition: color 0.3s ease;
}

/* Hamburger animation */
#menu-btn.active #bar1 {
    transform: translateY(4px) rotate(45deg);
}

#menu-btn.active #bar2 {
    opacity: 0;
    transform: scaleX(0);
}

#menu-btn.active #bar3 {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.5rem;
}

#menu-btn.active #bar1,
#menu-btn.active #bar3 {
    background-color: #5EEAD4;
}

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

/* Gold gradient text utility */
.text-gold-gradient {
    background: linear-gradient(135deg, #F0D78C, #D4A843, #C49832);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================
   Buttons
   ======================================== */
button, [type="submit"] {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

a {
    text-decoration: none;
}

/* ========================================
   Form Styles
   ======================================== */
input:focus, textarea:focus {
    box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.2);
}

input::placeholder, textarea::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

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

/* ========================================
   Section Dividers
   ======================================== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 67, 0.2), transparent);
}

/* ========================================
   Image Hover Effects
   ======================================== */
img {
    display: block;
    max-width: 100%;
}

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

::-webkit-scrollbar-track {
    background: #0A0F1E;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #D4A843, #5EEAD4);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #F0D78C, #2ED8BE);
}

/* ========================================
   Responsive Adjustments
   ======================================== */
@media (max-width: 767px) {
    html {
        scroll-padding-top: 70px;
    }
    
    #hero h1 {
        font-size: 2.75rem;
    }
    
    #hero h1 br {
        display: none;
    }
    
    .floating-card {
        position: relative !important;
        left: 0 !important;
        bottom: auto !important;
        margin-top: 1rem;
        max-width: 100% !important;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    #hero h1 {
        font-size: 4rem;
    }
}

@media (min-width: 1024px) {
    #hero h1 {
        font-size: 5rem;
    }
}

@media (min-width: 1280px) {
    #hero h1 {
        font-size: 6rem;
    }
}

@media (min-width: 1536px) {
    #hero h1 {
        font-size: 7rem;
    }
}

/* ========================================
   Focus Visible for Accessibility
   ======================================== */
:focus-visible {
    outline: 2px solid #5EEAD4;
    outline-offset: 2px;
}

button:focus-visible, a:focus-visible {
    outline: 2px solid #D4A843;
    outline-offset: 2px;
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    #navbar, #contact, footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .bg-midnight-900, .bg-midnight-800 {
        background: white !important;
    }
}