:root {
    --pink: #ff5ea8;
    --rose: #ffd1e3;
    --dark: #3b1f3b;
    --white: #fffdfd;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Georgia", "Times New Roman", serif;
    background: linear-gradient(135deg, #fff2f8, #ffe6f0, #ffdce9);
    color: var(--dark);
    display: grid;
    place-items: center;
    overflow-x: hidden;
    position: relative;
    padding: 1.2rem;
}

body::before,
body::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0.45;
    animation: float 6s ease-in-out infinite;
}

body::before {
    width: 220px;
    height: 220px;
    background: rgba(255, 94, 168, 0.25);
    top: 8%;
    left: 10%;
}

body::after {
    width: 280px;
    height: 280px;
    background: rgba(255, 209, 227, 0.5);
    bottom: 5%;
    right: 6%;
    animation-delay: 1s;
}

.container {
    text-align: center;
    padding: 2rem;
    max-width: 700px;
    width: min(100%, 700px);
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 94, 168, 0.25);
    border-radius: 28px;
    box-shadow: 0 15px 40px rgba(139, 63, 111, 0.18);
    animation: fadeUp 1.2s ease-out;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.container.visible {
    opacity: 1;
    transform: translateY(0);
}

.subtitle {
    letter-spacing: 0.3em;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--pink);
    margin-bottom: 0.5rem;
    animation: pulse 2.4s ease-in-out infinite;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.subtitle.visible,
h1.visible {
    opacity: 1;
    transform: translateY(0);
}

h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    margin: 0 0 1rem;
    color: var(--pink);
    text-shadow: 0 2px 8px rgba(255, 94, 168, 0.16);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.message {
    font-size: 1.05rem;
    line-height: 1.8;
    margin: 0 auto 1.5rem;
    max-width: 600px;
}

.message-line {
    display: block;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.message-line.show {
    opacity: 1;
    transform: translateY(0);
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.buttons span {
    padding: 0.8rem 1.3rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--pink), #ff8fbf);
    color: var(--white);
    font-weight: 600;
    box-shadow: 0 8px 18px rgba(255, 94, 168, 0.25);
    animation: bob 2s ease-in-out infinite;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.6s ease, transform 0.6s ease, filter 0.2s ease;
}

.buttons span.visible {
    opacity: 1;
    transform: translateY(0);
}

.buttons span:hover {
    filter: brightness(1.08);
    transform: translateY(-3px) scale(1.02);
}

.buttons span:nth-child(2) {
    animation-delay: 0.4s;
}

.heart {
    width: 90px;
    height: 90px;
    position: absolute;
    top: 7%;
    right: 12%;
    background: var(--pink);
    transform: rotate(45deg);
    animation: heartbeat 1.4s ease-in-out infinite;
    z-index: 1;
    cursor: pointer;
}

.heart.pulse {
    animation: pulseHeart 0.6s ease;
}

.heart::before,
.heart::after {
    content: "";
    width: 90px;
    height: 90px;
    position: absolute;
    background: var(--pink);
    border-radius: 50%;
}

.heart::before {
    left: -45px;
}

.heart::after {
    top: -45px;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}

@keyframes bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes heartbeat {
    0%, 100% { transform: rotate(45deg) scale(1); }
    50% { transform: rotate(45deg) scale(1.12); }
}

@keyframes pulseHeart {
    0% { transform: rotate(45deg) scale(1); }
    50% { transform: rotate(45deg) scale(1.25); }
    100% { transform: rotate(45deg) scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

.particle-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(255, 94, 168, 0.5);
    border-radius: 50%;
    animation: drift 5s linear infinite;
    opacity: 0.3;
}

@keyframes drift {
    0% {
        transform: translate3d(0, 0, 0) scale(0.7);
        opacity: 0;
    }
    20% {
        opacity: 0.4;
    }
    100% {
        transform: translate3d(0, -120px, 0) scale(1.2);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
        align-items: flex-start;
        padding-top: 2rem;
    }

    .container {
        padding: 1.4rem;
        border-radius: 22px;
    }

    .message {
        font-size: 0.98rem;
        line-height: 1.7;
    }

    .heart {
        width: 70px;
        height: 70px;
        top: 2%;
        right: 4%;
    }

    .heart::before,
    .heart::after {
        width: 70px;
        height: 70px;
    }

    .heart::before {
        left: -35px;
    }

    .heart::after {
        top: -35px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1.1rem;
    }

    h1 {
        font-size: 1.7rem;
    }

    .subtitle {
        font-size: 0.7rem;
        letter-spacing: 0.2em;
    }

    .message {
        font-size: 0.95rem;
    }

    .buttons {
        flex-direction: column;
        align-items: center;
    }

    .buttons span {
        width: 100%;
        max-width: 220px;
        text-align: center;
    }
}