/* ============================= */
/* RESET & FONT */
/* ============================= */

body {
    font-family: 'Roboto', sans-serif;
    background-color: #fffaf5;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5 {
    font-family: 'Playfair Display', serif;
}

/* ============================= */
/* NAVBAR */
/* ============================= */

.navbar {
    background: linear-gradient(90deg, #c40000, #ff6600);
}

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
}

.nav-link {
    color: white !important;
    font-weight: 500;
    transition: 0.3s;
}

.nav-link:hover {
    color: #ffd700 !important;
}

.nav-link.active {
    color: #ffd700 !important;
}

/* ============================= */
/* HERO SECTION */
/* ============================= */

.hero {
    background: linear-gradient(rgba(196,0,0,0.7), rgba(255,102,0,0.7)),
                url("/images/tet.jpg") center/cover no-repeat;
    color: white;
    padding: 120px 0;
    text-align: center;
}

/* ============================= */
/* BUTTON TẾT */
/* ============================= */

.btn-tet {
    background-color: #ffd700;
    color: #c40000;
    font-weight: bold;
    border-radius: 30px;
    padding: 10px 25px;
    transition: 0.3s;
}

.btn-tet:hover {
    background-color: #ffcc00;
    color: #990000;
    transform: scale(1.05);
}

/* ============================= */
/* CARD */
/* ============================= */

.card {
    border: none;
    border-radius: 15px;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.card-title {
    font-weight: bold;
}

/* ============================= */
/* IMAGE */
/* ============================= */

img {
    border-radius: 10px;
}

/* ============================= */
/* SECTION */
/* ============================= */

section {
    padding-top: 40px;
    padding-bottom: 40px;
}

/* ============================= */
/* FOOTER */
/* ============================= */

footer {
    background: #c40000;
    color: white;
}

footer p {
    margin: 5px 0;
}

/* ============================= */
/* BLOCKQUOTE */
/* ============================= */

blockquote {
    font-style: italic;
    color: #555;
}

/* ============================= */
/* RESPONSIVE */
/* ============================= */

@media (max-width: 768px) {
    .hero {
        padding: 80px 20px;
    }

    h1 {
        font-size: 28px;
    }
}