header {
    text-align: center;
    padding: 80px 20px 60px;
    position: relative;
    z-index: 1;
    animation: fadeInDown 1s ease-out;
}

h1 {
    font-family: 'Mrs Saint Delafield', cursive;
    font-size: clamp(56px, 9vw, 108px);
    color: var(--navy-blue);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px var(--shadow-blue);
    letter-spacing: 2px;
}

.subtitle {
    font-family: 'Playfair Display', serif;
    font-size: clamp(18px, 2.5vw, 26px);
    color: var(--deep-navy);
    font-weight: 400;
    font-style: italic;
    letter-spacing: 1px;
}

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

.heart-float {
    position: absolute;
    font-size: 22px;
    opacity: 0.12;
    animation: float-up 15s infinite ease-in-out;
}

@keyframes float-up {
    0%   { transform: translateY(100vh) rotate(0deg);   opacity: 0; }
    10%  { opacity: 0.12; }
    90%  { opacity: 0.12; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

.countdown-wrapper {
    text-align: center;
    margin: 20px auto 0;
    padding: 40px 32px;
    max-width: 640px;
    background: white;
    border-radius: 28px;
    box-shadow: 0 8px 32px var(--shadow-blue);
    border: 1px solid rgba(168, 213, 226, 0.3);
    position: relative;
    overflow: hidden;
}

.countdown-wrapper::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--navy-blue), var(--soft-blue), var(--sky-blue));
}

.countdown-label {
    font-family: 'Playfair Display', serif;
    font-size: clamp(17px, 2.5vw, 22px);
    color: var(--deep-navy);
    font-style: italic;
    margin-bottom: 28px;
}

.countdown-blocks {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.countdown-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--navy-blue), var(--soft-blue));
    border-radius: 16px;
    padding: 16px 20px;
    min-width: 80px;
}

.countdown-num {
    font-family: 'Playfair Display', serif;
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    color: white;
    line-height: 1;
}

.countdown-unit {
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.countdown-sep {
    font-size: 32px;
    font-weight: 700;
    color: var(--soft-blue);
    margin-bottom: 16px;
    line-height: 1;
}

.countdown-birthday {
    font-family: 'Mrs Saint Delafield', cursive;
    font-size: clamp(36px, 6vw, 56px);
    color: var(--navy-blue);
    animation: pulse 2s ease-in-out infinite;
}

@media (max-width: 768px) {
    header { padding: 60px 20px 40px; }
}

@media (max-width: 480px) {
    .countdown-block { min-width: 64px; padding: 12px 14px; }
    .countdown-sep   { font-size: 22px; }
}

.anniversary-wrapper {
    text-align: center;
    margin: 24px auto 0;
    padding: 32px 32px 36px;
    max-width: 640px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    border: 1px dashed rgba(138, 109, 26, 0.25);
    backdrop-filter: blur(6px);
}

.anniversary-label {
    font-family: 'Playfair Display', serif;
    font-size: clamp(15px, 2vw, 19px);
    color: var(--deep-navy);
    font-style: italic;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}

.anniversary-number {
    font-family: 'Mrs Saint Delafield', cursive;
    font-size: clamp(72px, 12vw, 120px);
    color: var(--navy-blue);
    line-height: 1;
    letter-spacing: 2px;
    text-shadow: 1px 1px 3px var(--shadow-blue);
}

.anniversary-unit {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 500;
    color: var(--soft-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
}