:root {
    --sky-top: #dff6ff;
    --sky-mid: #9ad9ff;
    --sky-deep: #5ba7ff;
    --sky-strong: #1e75d8;
    --cloud: rgba(255, 255, 255, 0.8);
    --cloud-shadow: rgba(125, 168, 255, 0.22);
    --card: rgba(255, 255, 255, 0.24);
    --card-border: rgba(255, 255, 255, 0.38);
    --text: #15314d;
    --soft-text: #254b74;
    --pink: #ff7fb7;
    --pink-strong: #ff5ea8;
    --yellow: #ffd76a;
    --blue: #1f6ae5;
    --shadow: 0 24px 60px rgba(20, 74, 157, 0.25);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Poppins", sans-serif;
    color: var(--text);
    background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 32%, var(--sky-deep) 100%);
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at top, rgba(255, 255, 255, 0.7), transparent 32%);
    pointer-events: none;
}

.page-shell {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 20px 60px;
    z-index: 1;
}

.sky-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0) 45%);
    filter: blur(12px);
    z-index: -1;
}

.cloud {
    position: absolute;
    background: var(--cloud);
    border-radius: 999px;
    box-shadow: 30px 15px 0 10px rgba(255, 255, 255, 0.6), 70px 5px 0 12px rgba(255, 255, 255, 0.55);
    opacity: 0.9;
    animation: floatCloud 16s ease-in-out infinite alternate;
}

.cloud::before,
.cloud::after {
    content: "";
    position: absolute;
    background: var(--cloud);
    border-radius: 50%;
}

.cloud-1 {
    width: 180px;
    height: 60px;
    top: 70px;
    left: 8%;
}

.cloud-1::before {
    width: 70px;
    height: 70px;
    left: 30px;
    bottom: 12px;
}

.cloud-1::after {
    width: 90px;
    height: 90px;
    right: 25px;
    bottom: 18px;
}

.cloud-2 {
    width: 220px;
    height: 70px;
    top: 160px;
    right: 10%;
    animation-delay: 2s;
}

.cloud-2::before {
    width: 80px;
    height: 80px;
    left: 42px;
    bottom: 8px;
}

.cloud-2::after {
    width: 110px;
    height: 110px;
    right: 35px;
    bottom: 20px;
}

.cloud-3 {
    width: 150px;
    height: 50px;
    bottom: 180px;
    left: 18%;
    animation-delay: 5s;
}

.cloud-3::before {
    width: 60px;
    height: 60px;
    left: 22px;
    bottom: 8px;
}

.cloud-3::after {
    width: 78px;
    height: 78px;
    right: 18px;
    bottom: 14px;
}

.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 0 12px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.42);
    box-shadow: 0 10px 30px rgba(39, 97, 182, 0.12);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #184a8d;
    backdrop-filter: blur(10px);
}

.eyebrow {
    margin: 18px 0 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--soft-text);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1 {
    margin: 18px 0 0;
    font-size: clamp(2.8rem, 6vw, 6rem);
    line-height: 0.95;
    letter-spacing: -0.06em;
    color: #ffffff;
    text-shadow: 0 12px 20px rgba(35, 95, 181, 0.2);
}

h1 span {
    color: var(--yellow);
}

h2 {
    margin: 10px 0 0;
    font-size: clamp(1.4rem, 2vw, 2.4rem);
    font-weight: 700;
    color: #f4fbff;
}

.date-tag {
    margin-top: 20px;
    display: inline-block;
    padding: 12px 22px;
    border-radius: 999px;
    background: rgba(15, 83, 176, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.42);
    font-weight: 700;
    color: #103d7b;
}

.surprise-btn {
    margin-top: 26px;
    border: none;
    border-radius: 999px;
    padding: 16px 28px;
    font: inherit;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--pink) 0%, var(--pink-strong) 32%, var(--blue) 100%);
    box-shadow: 0 18px 42px rgba(76, 105, 224, 0.32);
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.surprise-btn:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 22px 48px rgba(76, 105, 224, 0.42);
}

.content {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 34px;
}

.card {
    position: relative;
    padding: 28px 24px;
    border-radius: 28px;
    background: var(--card);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
}

.card-header {
    margin-bottom: 12px;
}

.mini-label {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--soft-text);
}

.card-message p,
.card-age p,
.countdown-message {
    margin: 0;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text);
}

.card-age {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.age-circle {
    display: grid;
    place-items: center;
    width: 120px;
    height: 120px;
    margin-bottom: 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fff2b0 0%, #ffcf5a 50%, #ff9eca 100%);
    box-shadow: inset 0 0 0 8px rgba(255, 255, 255, 0.5), 0 18px 36px rgba(255, 137, 193, 0.28);
    font-size: 3rem;
    font-weight: 900;
    color: #6e2a5a;
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 8px;
}

.countdown div {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px 8px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.26);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.countdown span {
    font-size: clamp(1.4rem, 2vw, 2rem);
    font-weight: 800;
    color: #103d7b;
}

.countdown small {
    margin-top: 4px;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #284d7b;
}

.quote-wrap {
    margin-top: 28px;
    display: flex;
    justify-content: center;
}

.quote-card {
    max-width: 780px;
    width: 100%;
    padding: 30px 26px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-align: center;
    box-shadow: 0 18px 42px rgba(25, 82, 179, 0.15);
}

.quote-card p {
    margin: 0;
    font-size: clamp(1.1rem, 2vw, 1.6rem);
    line-height: 1.7;
    font-weight: 600;
    color: #174584;
}

.footer {
    text-align: center;
    padding: 28px 0 8px;
}

.footer p {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #1a4688;
}

.sparkles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.sparkle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.8);
    animation: twinkle 2.5s ease-in-out infinite;
}

@keyframes floatCloud {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(20px) translateY(-12px);
    }
}

@keyframes twinkle {
    0%,
    100% {
        transform: scale(0.75);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.5);
        opacity: 1;
    }
}

@media (max-width: 900px) {
    .content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .page-shell {
        padding-left: 16px;
        padding-right: 16px;
    }
    .badge {
        font-size: 0.68rem;
        letter-spacing: 0.08em;
    }
    .date-tag {
        font-size: 0.92rem;
    }
    .countdown {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .card {
        padding: 22px 18px;
    }
}