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

body {
    font-family: 'Instrument Serif', Georgia, serif;
    background-color: #c1c1c1;
    color: #000;
    line-height: 1.6;
}

.container {
    max-width: 1512px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: #c1c1c1;
    border-bottom: 2px solid #000;
}

.nav-logo {
    font-size: 48px;
    font-weight: bold;
    color: #000;
}

.nav-links {
    display: flex;
    gap: 80px;
}

.nav-link {
    font-size: 48px;
    color: #000;
    text-decoration: none;
    position: relative;
    padding-bottom: 10px;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    border-bottom-color: #000;
}

/* Hero Section */
.hero-section {
    background-color: #c1c1c1;
    padding: 60px 40px;
    min-height: calc(100vh - 120px);
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.hero-title {
    font-size: 48px;
    max-width: 800px;
    line-height: 1.4;
    font-weight: normal;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 40px;
    align-items: flex-end;
    width: 100%;
}

.button-box {
    display: flex;
    gap: 10px;
    align-items: center;
    height: 103px;
}

.button-red {
    width: 139px;
    height: 103px;
    background-color: #ff0000;
    border-radius: 50px;
}

.button-green {
    width: 285px;
    height: 103px;
    background-color: #00ff00;
    border-radius: 50px;
}

.button-light {
    flex-grow: 1;
    height: 103px;
    background-color: #fcfcfc;
    border-radius: 50px;
    min-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.percentage {
    font-size: 48px;
    font-weight: bold;
    color: #000;
    font-family: 'Instrument Serif', Georgia, serif;
}

/* Divider */
.divider {
    height: 2px;
    background-color: #000;
    margin: 0;
}

.divider-small {
    height: 1px;
    background-color: #000;
    margin: 20px 0;
}

/* Sections */
.video-section,
.contact-section {
    background-color: #c1c1c1;
    padding: 80px 40px;
}

.section-title {
    font-size: 64px;
    text-align: center;
    margin-bottom: 80px;
    font-weight: normal;
}

.section-title-main {
    font-size: 96px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: normal;
}

/* Video Content */
.video-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: stretch;
    margin-top: 60px;
}

.video-text {
    font-size: 48px;
    line-height: 1.5;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.video-arrow {
    font-size: 150px;
    margin-top: 40px;
    color: #000;
    white-space: nowrap;
    letter-spacing: -30px;
    position: relative;
    left: -20px;
}

.video-box {
    background-color: #c1c1c1;
    padding: 40px;
    text-align: center;
    border: 2px solid #000;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.video-box h3 {
    font-size: 64px;
    margin-bottom: 20px;
    font-weight: normal;
}

.cta-button {
    display: inline-block;
    background-color: #fff;
    color: #000;
    padding: 20px 40px;
    font-size: 48px;
    text-decoration: none;
    border: 2px solid #000;
    border-radius: 50px;
    margin-top: 40px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #000;
    color: #fff;
}

/* Contact Section */
.contact-subtitle {
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
    font-weight: normal;
}

.contact-form {
    max-width: 900px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.form-row .full-width {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 48px;
    margin-bottom: 15px;
    color: #000;
    font-weight: normal;
}

.form-group input,
.form-group textarea {
    padding: 20px;
    font-size: 18px;
    border: 2px solid #000;
    border-radius: 5px;
    background-color: #fff;
    font-family: Arial, sans-serif;
    height: 76px;
}

.form-group textarea {
    height: 245px;
    resize: vertical;
    font-family: Arial, sans-serif;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 40px;
}

.submit-button {
    background-color: #fff;
    color: #000;
    padding: 20px 50px;
    font-size: 48px;
    border: 2px solid #000;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Instrument Serif', Georgia, serif;
}

.submit-button:hover {
    background-color: #000;
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .nav-links {
        flex-direction: column;
        gap: 20px;
        width: 100%;
        text-align: center;
    }

    .nav-logo,
    .nav-link {
        font-size: 24px;
    }

    .hero-title,
    .video-text {
        font-size: 24px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-title-main {
        font-size: 48px;
    }

    .video-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    .button-box {
        width: 100%;
    }
}