/* Section quảng bá "Hộp Thư Thời Gian" trên trang chủ */
.capsule-section {
    width: 90%;
    max-width: 1100px;
    margin: 30px auto;
}
.capsule-inner {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 30px;
    align-items: center;
    background: linear-gradient(135deg, #fffaf7 0%, #fdeee4 100%);
    border: 1px solid #f3d9c6;
    border-radius: 28px;
    padding: 40px 44px;
    box-shadow: 0 16px 44px rgba(214, 168, 130, 0.22);
}
@media (max-width: 820px) {
    .capsule-inner { grid-template-columns: 1fr; padding: 30px 24px; }
}

.capsule-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #c08a64;
    background: #fff;
    border: 1px solid #f0d6c2;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.capsule-text h2 {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.8rem;
    line-height: 1.3;
    font-weight: 600;
    color: #3d332e;
    margin: 0 0 14px;
    text-align: left;
}
.capsule-text p {
    color: #8a7468;
    font-size: 1rem;
    line-height: 1.85;
    margin: 0 0 22px;
    max-width: 560px;
}
.capsule-cta {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 999px;
    background: linear-gradient(135deg, #f3b69a 0%, #e89b7c 100%);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    box-shadow: 0 10px 26px rgba(214, 137, 106, 0.45);
    transition: transform 0.25s, box-shadow 0.25s;
}
.capsule-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 32px rgba(214, 137, 106, 0.55);
    color: #fff;
}

/* Khối thư trang trí (CSS thuần, không icon) */
.capsule-art {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}
.capsule-glow {
    position: absolute;
    width: 240px; height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(243, 182, 154, 0.55), transparent 70%);
    filter: blur(10px);
    animation: capsulePulse 5s ease-in-out infinite;
}
.capsule-letter {
    position: relative;
    width: 230px;
    height: 150px;
    background: #fffdfb;
    border: 1px solid #eddccb;
    border-radius: 14px;
    box-shadow: 0 18px 40px rgba(196, 154, 120, 0.3);
    padding: 26px 24px;
    animation: capsuleFloat 6s ease-in-out infinite;
}
.capsule-line {
    display: block;
    height: 8px;
    border-radius: 999px;
    background: #f4e2d3;
    margin-bottom: 14px;
}
.capsule-line-1 { width: 70%; background: #ecc9b1; }
.capsule-line-2 { width: 100%; }
.capsule-line-3 { width: 55%; }
.capsule-stamp {
    position: absolute;
    top: -16px; right: -14px;
    width: 54px; height: 54px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f3b69a, #e89b7c);
    box-shadow: 0 8px 18px rgba(214, 137, 106, 0.5);
    animation: capsuleSpin 14s linear infinite;
}
.capsule-stamp::after {
    content: '';
    position: absolute;
    inset: 7px;
    border-radius: 50%;
    border: 2px dashed rgba(255, 255, 255, 0.85);
}

@keyframes capsuleFloat {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}
@keyframes capsulePulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.12); opacity: 1; }
}
@keyframes capsuleSpin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .capsule-glow, .capsule-letter, .capsule-stamp { animation: none !important; }
}