/* ============================================
   New Year 2026 Greeting Card - Styles
   Modern, Warm, Minimalist Design
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Warm, cozy palette */
    --color-gold: #d4a574;
    --color-gold-light: #e8c9a8;
    --color-gold-dark: #b8956a;
    --color-cream: #faf7f2;
    --color-cream-dark: #f0ebe3;
    --color-green: #8fa98f;
    --color-green-dark: #6b8a6b;
    --color-silver: #c0c0c0;
    --color-text: #3d3d3d;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-overlay: rgba(0, 0, 0, 0.4);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.6s ease;
    --transition-slow: 1s ease;
    
    /* Container */
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--color-cream);
}

/* ============================================
   Preloader
   ============================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-tree {
    font-size: 4rem;
    animation: bounce 1s infinite;
}

.preloader-text {
    margin-top: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-gold-dark);
    letter-spacing: 0.05em;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ============================================
   Background & Parallax
   ============================================ */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(250, 247, 242, 0.85) 0%,
        rgba(250, 247, 242, 0.75) 50%,
        rgba(250, 247, 242, 0.9) 100%
    );
    z-index: -1;
}

.parallax-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 150%;
    background: url('https://images.unsplash.com/photo-1512389142860-9c449e58a543?auto=format&fit=crop&w=1920&q=80') center top / cover no-repeat;
    filter: blur(10px);
    transform: translateY(0);
    z-index: -2;
    will-change: transform;
}

/* ============================================
   Snowfall
   ============================================ */
.snowfall {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    overflow: hidden;
}

.snowflake-particle {
    position: absolute;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    animation: fall linear infinite;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

@keyframes fall {
    0% {
        transform: translateY(-10vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(110vh) rotate(360deg);
        opacity: 0.3;
    }
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    position: relative;
    z-index: 1;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-lg) var(--spacing-md);
}

.hero-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: hidden;
}

.star, .snowflake {
    position: absolute;
    color: var(--color-gold);
    opacity: 0.6;
    animation: twinkle 3s infinite ease-in-out;
}

.star-1 { top: 15%; left: 10%; font-size: 1.5rem; animation-delay: 0s; }
.star-2 { top: 25%; right: 15%; font-size: 1rem; animation-delay: 1s; }
.star-3 { bottom: 30%; left: 20%; font-size: 1.2rem; animation-delay: 2s; }
.snowflake-1 { top: 20%; right: 10%; font-size: 1.8rem; color: var(--color-silver); animation-delay: 0.5s; }
.snowflake-2 { bottom: 25%; right: 25%; font-size: 1.4rem; color: var(--color-silver); animation-delay: 1.5s; }

@keyframes twinkle {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(212, 165, 116, 0.2);
}

.greeting-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-white);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.divider::before,
.divider::after {
    content: '';
    height: 1px;
    width: 60px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.divider-star {
    color: var(--color-gold);
    font-size: 1rem;
}

.hero-message {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    line-height: 1.8;
    color: var(--color-text-light);
    font-weight: 400;
    max-width: 650px;
    margin: 0 auto var(--spacing-lg);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.scroll-text {
    font-size: 0.85rem;
    color: var(--color-gold-dark);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.scroll-arrow {
    font-size: 1.5rem;
    color: var(--color-gold);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.5; }
}

/* ============================================
   Wishes Section
   ============================================ */
.wishes-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(143, 169, 143, 0.1) 50%, transparent 100%);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 500;
    text-align: center;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.title-decoration {
    color: var(--color-gold);
    font-size: 1.2rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.wish-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(212, 165, 116, 0.15);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.wish-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.card-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============================================
   Final Section
   ============================================ */
.final-section {
    padding: var(--spacing-xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.final-content {
    text-align: center;
    padding: var(--spacing-lg);
}

.year-display {
    margin-bottom: var(--spacing-lg);
}

.year-number {
    font-family: var(--font-display);
    font-size: clamp(4rem, 15vw, 10rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 50%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 10px 30px rgba(212, 165, 116, 0.3);
    display: block;
    line-height: 1;
}

.year-decoration {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    color: var(--color-gold);
    font-size: 1rem;
}

.final-message {
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    color: var(--color-text-light);
    line-height: 1.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.final-signature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.heart {
    font-size: 1.5rem;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.signature-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.signature-text {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--color-gold-dark);
}

.signature-name {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 0.2rem;
}

.footer-decoration {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    font-size: 1.5rem;
    opacity: 0.6;
}

/* ============================================
   AOS Custom Animations
   ============================================ */
[data-aos="scale-x"] {
    transform: scaleX(0);
    transition-property: transform;
}

[data-aos="scale-x"].aos-animate {
    transform: scaleX(1);
}

/* ============================================
   Responsive Design
   ============================================ */

/* Mobile Devices */
@media (max-width: 576px) {
    :root {
        --spacing-lg: 2.5rem;
        --spacing-xl: 4rem;
    }
    
    .hero-content {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .greeting-badge {
        font-size: 0.75rem;
        padding: 6px 12px;
    }
    
    .hero-message {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .cards-grid {
        gap: var(--spacing-sm);
    }
    
    .wish-card {
        padding: var(--spacing-md);
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .year-number {
        font-size: 5rem;
    }
    
    .final-message {
        font-size: 1rem;
    }
    
    .footer-decoration {
        gap: var(--spacing-sm);
        font-size: 1.2rem;
    }
}

/* Tablets */
@media (min-width: 577px) and (max-width: 768px) {
    .hero-content {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop */
@media (min-width: 769px) {
    .hero-decoration .star,
    .hero-decoration .snowflake {
        font-size: 2rem;
    }
    
    .star-1 { font-size: 2rem; }
    .star-2 { font-size: 1.5rem; }
    .star-3 { font-size: 1.8rem; }
    .snowflake-1 { font-size: 2.5rem; }
    .snowflake-2 { font-size: 2rem; }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .hero-content {
        padding: var(--spacing-xl);
    }
    
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .parallax-bg {
        transform: none !important;
    }
    
    .snowfall {
        display: none;
    }
}

/* Print */
@media print {
    .preloader,
    .snowfall,
    .scroll-indicator,
    .background-overlay,
    .parallax-bg {
        display: none !important;
    }
    
    .hero-content {
        background: white;
        box-shadow: none;
    }
}