:root {
    --primary-color: #B5253C;
    --secondary-color: #113C63;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

/* Header & Nav */
header {
    background: var(--white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 70px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(17, 60, 99, 0.8), rgba(17, 60, 99, 0.8)), url('https://hoganguards.com/wp-content/uploads/2021/04/hogan-guards-security-guarding.jpg');
    background-size: cover;
    background-position: center;
    height: 500px;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #a02135;
    transform: translateY(-2px);
}

.btn-submit {
    background-color: var(--secondary-color);
    color: var(--white);
    width: 100%;
    font-size: 1.1rem;
    margin-top: 10px;
}

.btn-submit:hover {
    background-color: #0b2a46;
}

.btn-submit:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--white);
}

.about h2 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 2.5rem;
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Feedback Section */
.feedback {
    padding: 80px 0;
}

.feedback-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 700px;
    margin: 0 auto;
}

.feedback-card h2 {
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

.phone-input {
    display: flex;
    gap: 10px;
}

.phone-input select {
    width: 150px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: var(--white);
}

.error-text {
    color: var(--primary-color);
    font-size: 0.85rem;
    margin-top: 5px;
    font-weight: 500;
}

.input-invalid {
    border-color: var(--primary-color) !important;
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.radio-option:hover {
    border-color: var(--secondary-color);
    background: var(--light-bg);
}

.radio-option.selected {
    border-color: var(--primary-color);
    background: #fdecea;
}

.radio-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 40px 0;
}

.footer-links p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    margin: 0 5px;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Response Message */
#responseMessage {
    margin-top: 20px;
    padding: 15px;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
}

#responseMessage.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

#responseMessage.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
    }

    .feedback-card {
        padding: 25px 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .phone-input {
        flex-direction: column;
    }

    .phone-input select {
        width: 100%;
    }
}