:root {
    /* Color Palette */
    --clr-blush-pink: #FCE4EC;
    --clr-light-pink: #F8BBD0;
    --clr-cream: #FDFBF7;
    --clr-nude: #E8D8CE;
    --clr-white: #FFFFFF;
    --clr-dark-brown: #4A3B32;
    --clr-soft-brown: #6D5C52;
    --clr-accent: #E57373;
    
    /* Fonts */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Layout */
    --section-padding: 5rem 2rem;
    --max-width: 1000px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--clr-dark-brown);
    background-color: var(--clr-cream);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 600;
}

p {
    font-size: 1.1rem;
    color: var(--clr-soft-brown);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--clr-dark-brown);
}

.section-subtitle {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.2rem;
}

/* Base Layout & Containers */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
}

section {
    padding: var(--section-padding);
}

.alternate-bg {
    background-color: var(--clr-blush-pink);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.primary-btn {
    background-color: var(--clr-nude);
    color: var(--clr-dark-brown);
    box-shadow: 0 4px 15px rgba(232, 216, 206, 0.5);
}

.primary-btn:hover {
    background-color: var(--clr-dark-brown);
    color: var(--clr-white);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(74, 59, 50, 0.3);
}

.secondary-btn {
    background-color: var(--clr-white);
    color: var(--clr-accent);
    border: 1px solid var(--clr-light-pink);
}

.secondary-btn:hover {
    background-color: var(--clr-light-pink);
    color: var(--clr-dark-brown);
    transform: translateY(-3px);
}

/* Floating Music Button */
.floating-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
    border: 1px solid var(--clr-nude);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--clr-dark-brown);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.floating-btn:hover {
    background-color: var(--clr-nude);
    transform: scale(1.1);
}

/* Opening Cinematic Screen */
.opening-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--clr-cream);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: opacity 1.5s ease-in-out, visibility 1.5s;
    background-image: radial-gradient(circle at center, rgba(253, 251, 247, 1) 40%, rgba(252, 228, 236, 0.6) 100%);
}

.opening-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.opening-content {
    max-width: 500px;
    padding: 2rem;
}

.heart-pulse-container {
    margin-bottom: 2rem;
}

.opening-icon {
    width: 60px;
    height: 60px;
    color: var(--clr-accent);
    fill: rgba(229, 115, 115, 0.2);
}

.opening-icon.pulse {
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    15% { transform: scale(1.3); }
    30% { transform: scale(1); }
    45% { transform: scale(1.15); }
    60% { transform: scale(1); }
    100% { transform: scale(1); }
}

.opening-title {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--clr-dark-brown);
}

.opening-subtitle {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--clr-soft-brown);
    margin-bottom: 3rem;
}

.mt-4 {
    margin-top: 1rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--clr-cream) 0%, var(--clr-blush-pink) 100%);
}

.hero-content {
    max-width: 800px;
    padding: 2rem;
    z-index: 2;
}

.hero h1 {
    font-size: 4rEm;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--clr-dark-brown);
    text-shadow: 0 2px 10px rgba(255,255,255,0.5);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    padding: 0 1rem;
}

.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

/* Photo Memory Section */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.photo-card {
    background-color: var(--clr-white);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    transition: transform 0.4s ease;
}

.photo-card:hover {
    transform: translateY(-10px) rotate(-2deg);
}

.photo-card:nth-child(even):hover {
    transform: translateY(-10px) rotate(2deg);
}

.gallery-img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: block;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.1);
}

.caption {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    text-align: center;
    font-style: italic;
}

/* Heartfelt Message Section */
.love-letter {
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 4rem 3rem;
    box-shadow: 0 15px 40px rgba(248, 187, 208, 0.2);
    text-align: center;
    max-width: 800px;
}

.letter-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.letter-content p:last-child {
    margin-bottom: 0;
}

/* Reasons Why I Love You */
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.reason-card {
    background-color: var(--clr-white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.reason-card:hover {
    border-color: var(--clr-light-pink);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(248, 187, 208, 0.3);
}

.reason-icon {
    color: var(--clr-accent);
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
}

.reason-card p {
    font-weight: 500;
}

/* Promises Section */
.promises-section .container {
    max-width: 700px;
}

.promise-list {
    list-style: none;
    margin-top: 3rem;
}

.promise-list li {
    background-color: var(--clr-white);
    padding: 1.5rem 2rem;
    margin-bottom: 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    transition: transform 0.3s ease;
}

.promise-list li:hover {
    transform: translateX(10px);
}

.bullet {
    width: 12px;
    height: 12px;
    background-color: var(--clr-light-pink);
    border-radius: 50%;
    margin-right: 1.5rem;
    flex-shrink: 0;
}

.promise-list p {
    margin: 0;
    font-size: 1.1rem;
    color: var(--clr-dark-brown);
}

/* Final Section */
.final-section {
    text-align: center;
    padding: 8rem 2rem;
    background: linear-gradient(to top, var(--clr-blush-pink) 0%, var(--clr-cream) 100%);
}

.final-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.final-section p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    font-style: italic;
    font-family: var(--font-heading);
}

/* Footer */
.romantic-footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--clr-dark-brown);
    color: var(--clr-cream);
}

.romantic-footer p {
    color: var(--clr-nude);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0;
}

.footer-icon {
    width: 16px;
    height: 16px;
    color: var(--clr-light-pink);
}

/* Animations & Effects */

.fade-in-up {
    animation: fadeInUp 1.5s ease-out forwards;
}

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

/* Scroll Fade Animation Classes */
.fade-in-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Floating Hearts Elements */
#hearts-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-heart {
    position: absolute;
    bottom: -50px;
    color: rgba(248, 187, 208, 0.6);
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    0% {
        transform: translateY(0) scale(0.5) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    100% {
        transform: translateY(-100vh) scale(1.5) rotate(360deg);
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .love-letter {
        padding: 3rem 1.5rem;
    }
    
    .promise-list li {
        padding: 1rem;
    }
}