:root {
    --primary-pink: #FF6B9D;
    --secondary-pink: #FFC8DD;
    --accent-purple: #C589E8;
    --gold: #FFD700;
    --light-bg: #FFF5F9;
    --text-dark: #2D3436;
    --white: #FFFFFF;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 5px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 10px 30px rgba(0,0,0,0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Quicksand', 'Roboto', sans-serif;
    color: var(--text-dark);
    overflow-x: hidden;
    background-color: var(--light-bg);
    line-height: 1.6;
}

/* Material Icons Styling */
.material-icons {
    vertical-align: middle;
    font-size: inherit;
}

/* Loader Styles */
.loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-pink) 0%, var(--accent-purple) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loader-container.hide {
    opacity: 0;
    pointer-events: none;
}

.birthday-loader {
    text-align: center;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-number {
    font-size: 8rem;
    font-weight: bold;
    background: linear-gradient(45deg, var(--primary-pink), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    font-family: 'Dancing Script', cursive;
}

.loader-hearts {
    margin-top: 20px;
    font-size: 2rem;
    color: var(--primary-pink);
}

.loader-hearts i {
    display: inline-block;
    animation: heartBeat 1s ease-in-out infinite;
    margin: 0 5px;
}

.loader-hearts i:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-hearts i:nth-child(3) {
    animation-delay: 0.4s;
}

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

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

/* Confetti Canvas */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--secondary-pink) 0%, var(--accent-purple) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.floating-balloons {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.balloon {
    position: absolute;
    width: 80px;
    height: 100px;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    opacity: 0.8;
    box-shadow: var(--shadow-light);
}

.balloon::before {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    width: 2px;
    height: 100px;
    background: rgba(0,0,0,0.2);
    transform: translateX(-50%);
}

.balloon-1 {
    background: var(--primary-pink);
    left: 10%;
    animation: float 15s infinite ease-in-out;
}

.balloon-2 {
    background: var(--gold);
    left: 30%;
    animation: float 18s infinite ease-in-out 1s;
}

.balloon-3 {
    background: var(--accent-purple);
    left: 50%;
    animation: float 20s infinite ease-in-out 2s;
}

.balloon-4 {
    background: var(--secondary-pink);
    left: 70%;
    animation: float 16s infinite ease-in-out 0.5s;
}

.balloon-5 {
    background: #87CEEB;
    left: 90%;
    animation: float 19s infinite ease-in-out 1.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(-5deg);
    }
    50% {
        transform: translateY(-120px) rotate(5deg);
    }
}

.hero-content {
    text-align: center;
    z-index: 10;
    padding: 4rem 2rem 2rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    justify-content: center;
}

.hero-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.hero-image-container {
    position: relative;
    display: inline-block;
}

.hero-image {
    width: 450px;
    height: 450px;
    border-radius: 50%;
    border: 8px solid var(--white);
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.hero-image:hover {
    transform: scale(1.05);
}

.hero-image-decoration {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gold);
    color: var(--white);
    width: 110px;
    height: 110px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: sparkle 2s ease-in-out infinite;
    border: 5px solid var(--white);
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

.hero-text-container {
    text-align: center;
}

.hero-title {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-separator {
    color: var(--gold);
    font-size: 3rem;
    font-weight: bold;
}

.hero-name {
    font-size: 4.5rem;
    font-family: 'Dancing Script', cursive;
    color: var(--white);
    text-shadow: 3px 3px 6px rgba(0,0,0,0.2);
}

.hero-age {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--gold);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-weight: 500;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle i {
    font-size: 1.8rem;
    color: var(--gold);
}

.hero-decoration {
    font-size: 4rem;
    color: var(--gold);
    animation: wiggle 2s ease-in-out infinite;
    margin-top: -3rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.hero-decoration:hover {
    transform: scale(1.1);
}

@keyframes wiggle {
    0%, 100% { transform: rotate(-10deg); }
    50% { transform: rotate(10deg); }
}

.animate-bounce {
    animation: bounceIn 1s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

.animate-fade {
    animation: fadeIn 1.5s ease-out 0.5s both;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 20px;
    font-size: 3rem;
    color: var(--white);
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.scroll-indicator:hover {
    transform: translateY(5px);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Video Section */
.video-section {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-pink);
    margin-bottom: 3rem;
    font-family: 'Dancing Script', cursive;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-title i {
    font-size: 2rem;
}

.video-container {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    background: linear-gradient(135deg, var(--secondary-pink), var(--accent-purple));
    padding: 20px;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* 4:3 Aspect Ratio */
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
    border-radius: 15px;
}

.video-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.05);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.video-play-overlay i {
    font-size: 5rem;
    color: var(--white);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.5));
    transition: transform 0.3s ease;
}

.video-play-overlay:hover i {
    transform: scale(1.1);
}

.video-play-overlay.hide {
    opacity: 0;
    pointer-events: none;
}

/* Messages Section */
.messages-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, var(--white), var(--light-bg));
}

.messages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.message-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.message-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, transparent, var(--secondary-pink));
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.message-card:hover::before {
    opacity: 0.1;
}

.message-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: iconFloat 3s ease-in-out infinite;
}

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

.card-1 .card-icon { color: var(--primary-pink); animation-delay: 0s; }
.card-2 .card-icon { color: var(--gold); animation-delay: 0.5s; }
.card-3 .card-icon { color: var(--accent-purple); animation-delay: 1s; }
.card-4 .card-icon { color: #87CEEB; animation-delay: 1.5s; }
.card-5 .card-icon { color: var(--primary-pink); animation-delay: 2s; }
.card-6 .card-icon { color: var(--gold); animation-delay: 2.5s; }

.message-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-family: 'Dancing Script', cursive;
}

.message-card p {
    color: #666;
    line-height: 1.8;
    font-weight: 400;
}

/* Wishes Section */
.wishes-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.wishes-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 3rem;
}

.wish-bubble {
    background: var(--white);
    padding: 20px 30px;
    border-radius: 50px;
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.wish-bubble:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: var(--shadow-heavy);
    background: linear-gradient(135deg, var(--white), var(--secondary-pink));
}

.wish-bubble i {
    font-size: 2rem;
    color: var(--primary-pink);
    transition: transform 0.3s ease;
}

.wish-bubble:hover i {
    transform: rotate(360deg);
}

.wish-bubble p {
    font-weight: 500;
    color: var(--text-dark);
}

/* Congratulations Section */
.congratulations-section {
    padding: 80px 0;
    background: var(--white);
}

.congrats-form-container {
    max-width: 600px;
    margin: 0 auto 60px;
    background: linear-gradient(135deg, var(--secondary-pink), var(--accent-purple));
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-heavy);
}

.congrats-form {
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.form-group label i {
    color: var(--primary-pink);
    font-size: 1.3rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'Quicksand', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-pink);
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

.submit-button {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-purple));
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-medium);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button i {
    font-size: 1.4rem;
}

/* Messages Section */
.congrats-messages {
    margin-top: 60px;
}

.messages-title {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-pink);
    margin-bottom: 30px;
    font-family: 'Dancing Script', cursive;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.messages-title i {
    font-size: 2rem;
    color: var(--primary-pink);
}

.congrats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.congrats-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.congrats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--secondary-pink);
}

.congrats-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.congrats-header i {
    font-size: 2.5rem;
    color: var(--accent-purple);
}

.congrats-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.congrats-time {
    margin-left: auto;
    font-size: 0.9rem;
    color: #999;
}

.congrats-message {
    color: #555;
    line-height: 1.6;
    font-size: 1rem;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal-content {
    transform: scale(1);
}

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalIconPulse 0.6s ease-out;
}

.modal-icon i {
    font-size: 3rem;
    color: var(--white);
}

@keyframes modalIconPulse {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-title {
    font-size: 2rem;
    color: var(--primary-pink);
    margin-bottom: 10px;
    font-family: 'Dancing Script', cursive;
}

.modal-message {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 30px;
    line-height: 1.6;
}

.modal-button {
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-purple));
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-medium);
}

.modal-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.modal-button:active {
    transform: translateY(0);
}

.modal-button i {
    font-size: 1.3rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-pink), var(--accent-purple));
    color: var(--white);
    text-align: center;
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1), transparent);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.footer-content {
    position: relative;
    z-index: 1;
}

.footer h3 {
    font-size: 2rem;
    font-family: 'Dancing Script', cursive;
    margin-bottom: 1rem;
}

.footer-hearts {
    margin-top: 1rem;
    font-size: 1.5rem;
}

.footer-hearts i {
    margin: 0 5px;
    display: inline-block;
    animation: heartBeat 1.5s ease-in-out infinite;
}

.footer-hearts i:nth-child(2) {
    animation-delay: 0.3s;
}

.footer-hearts i:nth-child(3) {
    animation-delay: 0.6s;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        padding: 3rem 1.5rem 2rem 1.5rem;
    }
    
    .hero-image {
        width: 280px;
        height: 280px;
        border: 6px solid var(--white);
    }
    
    .hero-image-decoration {
        width: 80px;
        height: 80px;
        font-size: 2.8rem;
        bottom: -15px;
        right: -15px;
        border: 4px solid var(--white);
    }
    
    .hero-title {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-separator {
        display: none;
    }
    
    .hero-name {
        font-size: 3.5rem;
    }
    
    .hero-age {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
        flex-wrap: wrap;
    }
    
    .section-title {
        font-size: 2rem;
        flex-wrap: wrap;
    }
    
    .messages-grid {
        grid-template-columns: 1fr;
    }
    
    .wish-bubble {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .video-container {
        padding: 15px;
    }
    
    .video-play-overlay i {
        font-size: 3rem;
    }
    
    .congrats-form-container {
        padding: 25px;
    }
    
    .congrats-form {
        padding: 20px;
    }
    
    .congrats-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        padding: 30px 20px;
        width: 95%;
    }
    
    .modal-icon {
        width: 60px;
        height: 60px;
    }
    
    .modal-icon i {
        font-size: 2.5rem;
    }
    
    .modal-title {
        font-size: 1.8rem;
    }
}

/* Print Styles */
@media print {
    .loader-container,
    #confetti-canvas,
    .scroll-indicator {
        display: none;
    }
    
    .hero-section {
        min-height: auto;
        padding: 50px 0;
    }
}