html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
    margin-bottom: 60px;
    background-color: #f6fdf6;/*Super light green*/
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

.card img {
    object-fit: cover;
    height: 200px;
}

#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-spinner {
    padding: 20px 25px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 12px;
}

/* === Scroll To Top === */
#scrollToTopBtn {
    display: none;
    position: fixed;
    bottom: 90px;
    right: 20px;
    z-index: 9999;
    width: 46px;
    height: 46px;
    background-color: #0068ff;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

    #scrollToTopBtn:hover {
        background-color: #0050cc;
        transform: scale(1.1);
    }

/* === Zalo Button === */
#zaloBtn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    transition: transform 0.3s ease;
}

    #zaloBtn:hover {
        transform: scale(1.1);
    }

    #zaloBtn img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

/* Footer Grid */
.footer-grid {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 32px;
    margin-bottom: 36px;
}

/* Tablet: 2 columns, last col full width */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-col:last-child {
        grid-column: 1 / -1;
    }
}

/* Mobile: single column */
@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-col:last-child {
        grid-column: auto;
    }
}

.site-footer {
    color: #4a5a4a;
}
    .site-footer .container {
        padding-top: 15px;
        border-top: 2px solid #c8eac8;
    }

    .site-footer h5 {
        color: #2d6e2d;
        font-size: 13px;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        padding-bottom: 10px;
        border-bottom: 2px solid #f59c3a; /* orange accent under headings */
        display: inline-block;
    }

    .site-footer p {
        font-size: 14px;
        line-height: 1.7;
        color: #5a6e5a;
    }

    .site-footer ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

        .site-footer ul li {
            margin-bottom: 8px;
        }

            .site-footer ul li a {
                font-size: 14px;
                color: #5a6e5a;
                text-decoration: none;
                transition: color 0.2s;
            }

                .site-footer ul li a:hover {
                    color: #f57c00;
                }

.footer-bottom {
    border-top: 1px solid #c8eac8;
    font-size: 13px;
    color: #7a947a;
}

.social-btn {
    width: 34px;
    height: 34px;
    background: #e8f7e8;
    border: 1px solid #c8eac8;
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #2d6e2d;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.2s;
}

    .social-btn:hover {
        background: #f59c3a;
        border-color: #f59c3a;
        color: #fff;
    }

.contact-icon {
    width: 28px;
    height: 28px;
    background: #fff3e0; /* light orange tint */
    border: 1px solid #fcd9a0;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.option.active {
    background: #ee4d2d;
    color: #fff;
    border-color: #ee4d2d;
}

.thumb:hover {
    border: 2px solid #ee4d2d;
}
/*Super light green #f6fdf6
Dark green #2d6e2d
Muted green-gray #5a6e5a
Orange accent#f59c3a
Light orange tint#fff3e0
Orange#f59c3a*/