:root {
    --bg-black: #060508;
    --card-black: #110d14;
    --baby-pink: #ffb7c5;
    --baby-pink-soft: #f8c8d4;
    --baby-pink-glow: rgba(255, 183, 197, 0.25);
    --text-white: #ffffff;
    --text-muted: #e2d2d8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--bg-black);
    color: var(--text-white);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
    padding: 60px 20px;
}

.glow-bg {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--baby-pink-glow) 0%, rgba(0,0,0,0) 75%);
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
}

.wrapper {
    position: relative;
    z-index: 2;
    max-width: 650px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 36px;
}

/* SCROLL REVEAL ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(60px) scale(0.96);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

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

/* HERO SECTION */
.anniversary-badge {
    display: inline-block;
    background: rgba(255, 183, 197, 0.12);
    border: 1px solid var(--baby-pink);
    color: var(--baby-pink-soft);
    padding: 8px 22px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    box-shadow: 0 0 15px var(--baby-pink-glow);
}

.title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: var(--baby-pink);
    text-shadow: 0 0 20px var(--baby-pink-glow);
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
    font-weight: 500;
}

/* CARDS */
.love-card, .interactive-card {
    background: var(--card-black);
    border: 1px solid rgba(255, 183, 197, 0.25);
    border-radius: 24px;
    padding: 32px 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 15px var(--baby-pink-glow);
    backdrop-filter: blur(10px);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.love-card:hover, .interactive-card:hover {
    border-color: rgba(255, 183, 197, 0.45);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.8), 0 0 22px var(--baby-pink-glow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 18px;
}

.star-icon {
    font-size: 1.4rem;
    color: var(--baby-pink);
    text-shadow: 0 0 10px var(--baby-pink);
}

.card-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--baby-pink-soft);
}

.message-text {
    color: var(--text-white);
    line-height: 1.8;
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
}

/* LIVE COUNTER GRID */
.counter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 10px;
}

.counter-box {
    background: rgba(255, 183, 197, 0.06);
    border: 1px solid rgba(255, 183, 197, 0.25);
    border-radius: 18px;
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.counter-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--baby-pink);
    text-shadow: 0 0 10px var(--baby-pink-glow);
}

.counter-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 4px;
}

/* REALISTIC PIXELATED SWAN POND */
.swan-pond {
    position: relative;
    width: 100%;
    height: 150px;
    background: radial-gradient(ellipse at center, rgba(255, 183, 197, 0.15) 0%, rgba(8, 6, 12, 0.9) 80%);
    border: 1px solid rgba(255, 183, 197, 0.3);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 0 25px 15px 25px;
    box-shadow: inset 0 0 25px rgba(0,0,0,0.85);
    container-type: inline-size;
}

.water-ripples {
    position: absolute;
    bottom: 12px;
    left: 5%;
    width: 90%;
    height: 10px;
    background: repeating-linear-gradient(90deg, rgba(255,183,197,0.18) 0px, rgba(255,183,197,0.18) 16px, transparent 16px, transparent 32px);
    border-radius: 6px;
    animation: rippleMove 4s linear infinite;
}

@keyframes rippleMove {
    0% { transform: translateX(-16px); }
    100% { transform: translateX(16px); }
}

.pixel-swan {
    width: 80px;
    height: 80px;
    shape-rendering: crispEdges;
    image-rendering: pixelated;
    filter: drop-shadow(0 0 10px var(--baby-pink-glow));
    transition: transform 3.5s cubic-bezier(0.37, 0, 0.21, 1);
    z-index: 2;
}

.swan-left {
    transform: translateX(0);
}

.swan-right {
    transform: translateX(0);
}

/* SLOW GLIDE COLLISION & HEART FORMATION */
.swan-pond.swans-met .swan-left {
    transform: translateX(calc(50cqw - 65px));
}

.swan-pond.swans-met .swan-right {
    transform: translateX(calc(-50cqw + 65px));
}

@supports not (transform: translateX(1cqw)) {
    .swan-pond.swans-met .swan-left {
        transform: translateX(175px);
    }
    .swan-pond.swans-met .swan-right {
        transform: translateX(-175px);
    }
}

.swan-heart-pop {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    font-size: 2.2rem;
    opacity: 0;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.8s;
    transition-delay: 0s;
    z-index: 3;
    pointer-events: none;
    filter: drop-shadow(0 0 12px var(--baby-pink));
}

.swan-pond.swans-met .swan-heart-pop {
    transform: translateX(-50%) scale(1.3);
    opacity: 1;
    transition-delay: 3.2s;
}

/* HEART SPAM BUTTON */
.heart-hint {
    color: var(--text-muted);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.heart-trigger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(255, 183, 197, 0.1);
    border: 2px solid var(--baby-pink);
    cursor: pointer;
    box-shadow: 0 0 20px var(--baby-pink-glow);
    transition: transform 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275), background 0.2s;
    user-select: none;
}

.heart-trigger-btn span {
    font-size: 2.8rem;
}

.heart-trigger-btn:active {
    transform: scale(0.82);
    background: rgba(255, 183, 197, 0.3);
}

/* BURST HEARTS ANIMATION */
.burst-heart {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    font-size: 2rem;
    animation: floatHeartBurst 1.2s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

@keyframes floatHeartBurst {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(0.5);
    }
    50% {
        opacity: 0.9;
    }
    100% {
        opacity: 0;
        transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1.6);
    }
}

/* REASONS BOX */
.reason-box {
    background: rgba(255, 183, 197, 0.06);
    border: 1px solid rgba(255, 183, 197, 0.2);
    padding: 24px;
    border-radius: 18px;
    margin-bottom: 20px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reason-box p {
    font-size: 1.3rem;
    color: var(--text-white);
    font-weight: 700;
    line-height: 1.5;
}

/* BUTTONS */
.cute-btn {
    background: rgba(255, 183, 197, 0.12);
    color: var(--baby-pink);
    border: 1.5px solid var(--baby-pink);
    padding: 14px 28px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 30px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cute-btn:hover {
    background: var(--baby-pink);
    color: var(--bg-black);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 5px 15px var(--baby-pink-glow);
}

.cute-btn:active {
    transform: translateY(0) scale(0.98);
}

/* ENVELOPES */
.envelope-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 16px;
}

.envelope-card {
    background: rgba(255, 183, 197, 0.05);
    border: 1px solid rgba(255, 183, 197, 0.2);
    border-radius: 18px;
    padding: 22px 16px;
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s, transform 0.25s;
}

.envelope-card:hover {
    background: rgba(255, 183, 197, 0.15);
    border-color: var(--baby-pink);
    transform: translateY(-3px);
}

.env-icon {
    font-size: 2.2rem;
    display: block;
    margin-bottom: 8px;
}

.env-label {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--baby-pink-soft);
}

.envelope-card.opened {
    background: rgba(255, 183, 197, 0.22);
    border-color: var(--baby-pink);
}

.envelope-card.opened .env-label {
    color: var(--text-white);
    font-size: 1.1rem;
    line-height: 1.4;
}

footer {
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 1rem;
}

.stars-container {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.floating-star {
    position: absolute;
    bottom: -20px;
    color: var(--baby-pink);
    opacity: 0.6;
    animation: floatSmooth linear infinite;
}

@keyframes floatSmooth {
    0% { transform: translateY(0); opacity: 0.7; }
    100% { transform: translateY(-105vh); opacity: 0; }
}

/* CURSOR TRAIL */
.cursor-star {
    position: fixed;
    color: var(--baby-pink);
    pointer-events: none;
    z-index: 9999;
    text-shadow: 0 0 12px var(--baby-pink);
    transform: translate(-50%, -50%);
    animation: cursorFade 0.6s linear forwards;
}

@keyframes cursorFade {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.2) rotate(45deg);
    }
}