:root {
    --primary-color: #e63946;
    --secondary-color: #ff758f;
    --dark-red: #d00000;
    --light-pink: #ffccd5;
    --white: #fff8f8;
    --black: #1a1a1a;
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --timeline-color: #ff8fa3;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--white);
    color: var(--black);
    line-height: 1.6;
    background-image: url('images/background.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    background-blend-mode: overlay;
    background-color: rgba(255, 255, 255, 0.9);
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 1s ease-out;
}

.loading-heart {
    text-align: center;
    color: white;
}

.loading-heart i {
    font-size: 5rem;
    animation: pulse 1.5s infinite;
    margin-bottom: 1rem;
}

.loading-heart p {
    font-size: 1.5rem;
    font-weight: 300;
}

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

/* Navigation */
.love-nav {
    position: sticky;
    top: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    box-shadow: var(--shadow);
    z-index: 100;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.love-nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 2rem;
}

.love-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    transition: var(--transition);
}

.love-nav a:hover, .love-nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.love-nav i {
    font-size: 1.2rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding: 2rem 0;
}

.heart-pulse {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3rem;
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    color: var(--dark-red);
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 300;
    margin-bottom: 2rem;
}

.anniversary-date {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.date-box {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    min-width: 120px;
    text-align: center;
    transition: var(--transition);
    border-top: 5px solid var(--primary-color);
}

.date-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.date-box .number {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.date-box .label {
    font-size: 0.9rem;
    color: var(--black);
    font-weight: 500;
}

/* Photo Gallery */
.photo-gallery-section {
    margin: 5rem 0;
    padding: 2rem 0;
}

.gallery-swiper {
    width: 100%;
    height: 500px;
    margin-bottom: 3rem;
}

.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
}

.photo-card {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.photo-card:hover img {
    transform: scale(1.05);
}

.photo-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    font-size: 1.2rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.photo-card:hover .photo-caption {
    transform: translateY(0);
}

.swiper-button-next, .swiper-button-prev {
    color: var(--primary-color) !important;
}

.swiper-pagination-bullet-active {
    background: var(--primary-color) !important;
}

/* Timeline */
.our-story-section {
    margin: 5rem 0;
    padding: 3rem 0;
    background-color: rgba(255, 204, 213, 0.2);
    position: relative;
}

.our-story-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="%23ff758f" fill-opacity="0.1" d="M30,50 Q50,30 70,50 Q50,70 30,50"/></svg>');
    opacity: 0.1;
    z-index: -1;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: var(--timeline-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 10px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    right: -12px;
    background-color: var(--primary-color);
    border: 4px solid var(--timeline-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}

.left {
    left: 0;
}

.right {
    left: 50%;
}

.right::after {
    left: -12px;
}

.timeline-content {
    padding: 20px 30px;
    background-color: white;
    position: relative;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-icon {
    position: absolute;
    top: -20px;
    right: 20px;
    background: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 0 4px var(--light-pink), 0 5px 10px rgba(0, 0, 0, 0.1);
    color: var(--primary-color);
    font-size: 1.2rem;
}

.right .timeline-icon {
    right: auto;
    left: 20px;
}

/* Love Letter */
.love-letter-section {
    margin: 5rem 0;
    padding: 3rem 0;
    position: relative;
}

.letter-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.letter-paper {
    background: white;
    padding: 3rem;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    transform: rotate(-1deg);
    transition: var(--transition);
}

.letter-paper:hover {
    transform: rotate(0deg);
}

.letter-paper::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="none" stroke="%23ffccd5" stroke-width="0.5" d="M0,0 L100,0 L100,100 L0,100 Z"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.letter-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--light-pink);
    padding-bottom: 1rem;
}

.letter-date {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.letter-salutation {
    font-family: 'Dancing Script', cursive;
    font-size: 2rem;
    color: var(--primary-color);
}

.letter-content {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.letter-content p {
    margin-bottom: 1rem;
    text-indent: 2rem;
}

.letter-footer {
    margin-top: 3rem;
}

.letter-closing {
    font-family: 'Dancing Script', cursive;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.letter-signature {
    font-family: 'Dancing Script', cursive;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.letter-kiss {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.letter-seal {
    position: absolute;
    bottom: -30px;
    right: 30px;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 5px solid white;
    transform: rotate(15deg);
    transition: var(--transition);
}

.letter-seal:hover {
    transform: rotate(0deg) scale(1.1);
}

/* Memories */
.memories-section {
    margin: 5rem 0;
    padding: 3rem 0;
    background-color: rgba(255, 255, 255, 0.7);
}

.memory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.memory-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.memory-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.memory-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.memory-image::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(230, 57, 70, 0.1), rgba(230, 57, 70, 0.3));
    opacity: 0;
    transition: var(--transition);
}

.memory-card:hover .memory-image::after {
    opacity: 1;
}

.memory-content {
    padding: 1.5rem;
}

.memory-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.memory-date {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-weight: 500;
}

.memory-tags {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: var(--light-pink);
    color: var(--dark-red);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

.btn {
    display: block;
    margin: 2rem auto 0;
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(230, 57, 70, 0.4);
}

/* Music Player */
.music-section {
    margin: 5rem 0;
    padding: 3rem 0;
    background: linear-gradient(135deg, rgba(255, 204, 213, 0.3), rgba(255, 117, 143, 0.3));
}

.music-player {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: 3rem;
    align-items: center;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.album-cover {
    width: 200px;
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vinyl {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #333, #111);
    border-radius: 50%;
    border: 2px solid #555;
    animation: rotate 10s linear infinite;
    animation-play-state: paused;
}

.music-player.playing .vinyl {
    animation-play-state: running;
}

@keyframes rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.player-controls {
    flex: 1;
}

.song-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.artist {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.progress-container {
    width: 100%;
    height: 6px;
    background: var(--light-pink);
    border-radius: 3px;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    transition: width 0.1s linear;
}

.time-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.control-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.control-btn:hover {
    background: rgba(230, 57, 70, 0.1);
    transform: scale(1.1);
}

.play-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

.playlist {
    max-width: 800px;
    margin: 2rem auto 0;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.playlist-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 204, 213, 0.5);
    transition: var(--transition);
    cursor: pointer;
}

.playlist-item:last-child {
    border-bottom: none;
}

.playlist-item:hover {
    background: rgba(255, 204, 213, 0.1);
}

.playlist-item.active {
    background: rgba(230, 57, 70, 0.05);
    border-left: 3px solid var(--primary-color);
}

.playlist-number {
    width: 30px;
    color: var(--secondary-color);
    font-weight: 600;
}

.playlist-info {
    flex: 1;
    padding: 0 1rem;
}

.playlist-title {
    font-weight: 600;
    color: var(--black);
}

.playlist-artist {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.playlist-duration {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Future Plans */
.future-section {
    margin: 5rem 0;
    padding: 3rem 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="%23ff758f" fill-opacity="0.1" d="M30,50 Q50,30 70,50 Q50,70 30,50"/></svg>');
}

.future-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.future-card {
    flex: 1;
    min-width: 300px;
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.future-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.future-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.future-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.8rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
}

.future-card h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.future-list {
    list-style: none;
    text-align: left;
}

.future-list li {
    padding: 0.8rem 0;
    border-bottom: 1px dashed var(--light-pink);
    position: relative;
    padding-left: 1.5rem;
}

.future-list li::before {
    content: "❤";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.future-list li:last-child {
    border-bottom: none;
}

/* Countdown */
.countdown-section {
    margin: 5rem 0;
    padding: 3rem 0;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.8), rgba(255, 117, 143, 0.8));
    color: white;
    text-align: center;
}

.countdown-section .section-title {
    color: white;
}

.countdown-section .section-title::after {
    background: white;
}

.countdown-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.countdown-box {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    padding: 1.5rem 2rem;
    border-radius: 10px;
    min-width: 120px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.countdown-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
}

.countdown-label {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.countdown-text {
    font-size: 1.5rem;
    font-weight: 300;
    margin-top: 1rem;
}

/* Quiz */
.quiz-section {
    margin: 5rem 0;
    padding: 3rem 0;
    background: white;
}

.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.quiz-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.quiz-progress {
    width: 100%;
    height: 5px;
    background: var(--light-pink);
    border-radius: 5px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.quiz-progress .progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
    transition: width 0.5s ease;
}

.quiz-question {
    display: none;
}

.quiz-question.active {
    display: block;
}

.quiz-question h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
}

.quiz-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.quiz-option {
    padding: 1rem;
    background: rgba(255, 204, 213, 0.3);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    text-align: center;
}

.quiz-option:hover {
    background: rgba(230, 57, 70, 0.1);
    transform: translateY(-3px);
}

.quiz-result {
    display: none;
    text-align: center;
    padding: 2rem 0;
}

.quiz-result h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.result-score {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.result-score span {
    color: var(--primary-color);
    font-weight: bold;
}

.result-message {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(255, 204, 213, 0.3);
    border-radius: 5px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 0 1rem;
    position: relative;
    margin-top: 4rem;
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.9), rgba(255, 117, 143, 0.9));
    color: white;
}

.hearts-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.floating-heart {
    position: absolute;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    animation: float 15s linear infinite;
    animation-delay: var(--delay);
    z-index: 0;
}

.footer-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-message {
    margin-bottom: 2rem;
}

.footer-message p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.footer-message i {
    color: white;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-link {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.2);
    color: var(--light-pink);
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Confetti Button */
.confetti-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 100;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
}

.confetti-btn:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Responsive */
@media (max-width: 992px) {
    .music-player {
        flex-direction: column;
        text-align: center;
    }
    
    .player-controls {
        width: 100%;
    }
    
    .controls {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .love-nav ul {
        gap: 0.5rem;
    }
    
    .love-nav a {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .letter-paper {
        padding: 2rem 1.5rem;
    }
    
    .quiz-options {
        grid-template-columns: 1fr;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item::after {
        left: 18px;
    }
    
    .left::after, .right::after {
        left: 18px;
    }
    
    .right {
        left: 0%;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .anniversary-date {
        gap: 1rem;
    }
    
    .date-box {
        min-width: calc(50% - 1rem);
    }
    
    .gallery-swiper {
        height: 350px;
    }
    
    .music-player {
        padding: 1.5rem;
    }
    
    .quiz-container {
        padding: 1.5rem;
    }
}