/* --- Custom Properties (CSS Variables) for Colors --- */
:root {
    --custom-black: #212529; /* สีดำ (Bootstrap Dark) */
    --custom-white: #ffffff;
    --custom-light-grey: #f8f9fa; /* สีเทาอ่อน (Bootstrap light) */
    --custom-orange: #ff6600; /* สีส้มเด่น */
    --custom-orange-hover: #e65c00; /* สีส้มเมื่อ hover */
    --custom-red: #e53935;     /* สีแดงสำหรับเน้น */
    --font-family: 'Kanit', sans-serif; /* ฟอนต์หลัก */
}

/* --- General Body & Theme --- */
body {
    font-family: var(--font-family);
    background-color: var(--custom-light-grey); /* พื้นหลังสีเทาอ่อนๆ */
    color: var(--custom-black);
}

/* --- Navbar Customization for Light Theme --- */
.navbar-light .navbar-nav .nav-link {
    color: var(--custom-black);
    transition: color 0.3s ease;
    font-weight: 500;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link.active {
    color: var(--custom-orange);
}

/* --- Custom Button Styles (Orange & Red) --- */
.btn-custom-orange {
    background-color: var(--custom-orange);
    color: var(--custom-white);
    border: 1px solid var(--custom-orange);
    transition: all 0.3s ease;
    font-weight: 500;
    border-radius: 50rem; /* ทำให้ปุ่มโค้งมน */
}

.btn-custom-orange:hover {
    background-color: var(--custom-orange-hover);
    color: var(--custom-white);
    border-color: var(--custom-orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn-custom-red {
    background-color: var(--custom-red);
    color: var(--custom-white);
    border: 1px solid var(--custom-red);
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-custom-red:hover {
    background-color: #d32f2f;
    border-color: #d32f2f;
}

/* --- Custom Text & Link Styles --- */
.text-custom-orange {
    color: var(--custom-orange) !important;
}

.text-custom-red {
    color: var(--custom-red) !important;
}

/* --- Form Input Styles --- */
.border-custom-red:focus {
    border-color: var(--custom-red);
    box-shadow: 0 0 0 0.25rem rgba(229, 57, 53, 0.25);
}

.form-control:focus {
    border-color: var(--custom-orange);
    box-shadow: 0 0 0 0.25rem rgba(255, 102, 0, 0.25);
}

/* --- Card & Shadow Hover Effects --- */
.hover-shadow {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-shadow:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1) !important;
}

/* --- Footer Styles --- */
.footer {
    background-color: var(--custom-black);
    color: rgba(255, 255, 255, 0.7);
}
.footer h5 {
    color: var(--custom-white);
}
.footer a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}
.footer a:hover {
    color: var(--custom-orange);
}
.footer .footer-social-link:hover {
    color: var(--custom-white) !important;
    transform: scale(1.1);
}