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

:root {
    --tennessee-orange: #FF8200;
    --dark-gray: #2c2c2c;
    --medium-gray: #6c6c6c;
    --light-gray: #f5f5f5;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
}

header {
    background: var(--white);
    color: var(--dark-gray);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-bottom: 3px solid var(--tennessee-orange);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo-img {
    height: 100px;
    width: auto;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--tennessee-orange);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.hero {
    background: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23f5f5f5" width="1200" height="600"/><circle cx="600" cy="300" r="80" fill="%23FF8200" opacity="0.1"/><path d="M 600 220 L 620 280 L 680 280 L 630 320 L 650 380 L 600 340 L 550 380 L 570 320 L 520 280 L 580 280 Z" fill="%23FF8200" opacity="0.15"/></svg>');
    background-size: cover;
    background-position: center;
    color: var(--dark-gray);
    text-align: center;
    padding: 120px 2rem 30px;
    margin-top: 70px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--tennessee-orange);
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--medium-gray);
}

.cta-button {
    display: inline-block;
    background: var(--tennessee-orange);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.4);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.mission-section {
    background: var(--white);
    padding: 2rem 0 4rem 0;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.mission-text h2 {
    color: var(--tennessee-orange);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.mission-text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--medium-gray);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.equipment-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
    border: 2px solid var(--light-gray);
}

.equipment-card:hover {
    transform: translateY(-5px);
    border-color: var(--tennessee-orange);
}

.equipment-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.equipment-card h3 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.equipment-card p {
    color: var(--medium-gray);
}

.about-section {
    background: var(--white);
}

.about-header {
    text-align: center;
    margin-bottom: 3rem;
}

.about-header h2 {
    color: var(--tennessee-orange);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.about-intro {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 4rem;
}

.profile-card {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    position: sticky;
    top: 100px;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--light-gray);
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 4px solid var(--tennessee-orange);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-card h3 {
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.profile-card p {
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.about-story {
    background: var(--white);
}

.about-story h3 {
    color: var(--tennessee-orange);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.about-story p {
    margin-bottom: 1rem;
    color: var(--medium-gray);
    line-height: 1.8;
}

.achievements-section {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: 10px;
    margin-top: 3rem;
}

.achievements-section h3 {
    color: var(--tennessee-orange);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.achievement-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.achievement-card h4 {
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.achievement-card ul {
    list-style: none;
    padding-left: 0;
}

.achievement-card li {
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.achievement-card li:before {
    content: "▸";
    color: var(--tennessee-orange);
    position: absolute;
    left: 0;
}

.drives-section {
    background: var(--light-gray);
}

.drive-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.drive-card h3 {
    color: var(--tennessee-orange);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.drive-card p {
    color: var(--medium-gray);
}

.drive-card ul {
    color: var(--medium-gray);
}

.placeholder {
    background: #fff9e6;
    padding: 1rem;
    border-left: 4px solid var(--tennessee-orange);
    margin: 1rem 0;
    font-style: italic;
    color: var(--medium-gray);
}

.partner-section {
    background: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.partner-section h3 {
    color: var(--tennessee-orange);
}

.partner-section p {
    color: var(--medium-gray);
}

.partner-logo {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: 10px;
    margin: 2rem auto;
    max-width: 400px;
    border: 2px solid var(--tennessee-orange);
}

.partner-logo h2 {
    color: var(--tennessee-orange);
}

.partner-logo p {
    color: var(--medium-gray);
}

.contact-section {
    background: var(--light-gray);
}

.contact-section h2 {
    color: var(--tennessee-orange);
}

.contact-section > p {
    color: var(--medium-gray);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--light-gray);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--dark-gray);
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-button {
    background: var(--tennessee-orange);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    transition: background 0.3s;
}

.submit-button:hover {
    background: #cc6600;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 1px solid #c3e6cb;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 1px solid #f5c6cb;
}

footer {
    background: var(--dark-gray);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .mission-content,
    .about-intro {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .profile-card {
        position: relative;
        top: 0;
    }
    
    .hero-logo {
        max-width: 200px;
    }
}