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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #ffffff;
}

/* ============ HEADER/NAVBAR ============ */
.navbar {
    background-color: #ffffff;
    border-bottom: 1px solid #e8e8e8;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-btn {
    color: #2c3e50;
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    background-color: transparent;
    border: 1px solid #ddd;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-btn:hover {
    background-color: #f5f5f5;
    border-color: #2c3e50;
}

.setup-header-btn {
    background-color: #3498db;
    color: white !important;
    border-color: #3498db;
}

.setup-header-btn:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

/* ============ MAIN HERO SECTION ============ */
.hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-color: #f8f9fa;
}

.hero-content {
    max-width: 700px;
    width: 100%;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.tagline {
    font-size: 1.3rem;
    color: #7f8c8d;
    margin-bottom: 2rem;
}

.description {
    margin: 2rem 0;
}

.description h2 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

.description p {
    font-size: 1.05rem;
    margin-bottom: 1rem;
    color: #555;
    line-height: 1.8;
}

.features-list {
    list-style: none;
    margin: 1.5rem 0;
}

.features-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1rem;
    color: #555;
}

.features-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
    font-size: 1.5rem;
}

/* ============ SETUP BUTTON ============ */
.setup-btn {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background-color: #3498db;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.setup-btn:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.setup-btn:active {
    transform: translateY(0);
}

/* ============ FOOTER ============ */
.footer {
    background-color: #f8f9fa;
    color: #7f8c8d;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    font-size: 0.9rem;
    border-top: 1px solid #e8e8e8;
}

/* ============ SETUP PAGE STYLES ============ */
.setup-container {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-color: #f8f9fa;
}

.setup-form-wrapper {
    background: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    max-width: 500px;
    width: 100%;
    border: 1px solid #e8e8e8;
}

.setup-form-wrapper h1 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.setup-subtitle {
    color: #7f8c8d;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
    font-size: 1rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input::placeholder {
    color: #bbb;
}

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

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

.submit-btn {
    width: 100%;
    padding: 0.9rem;
    margin-top: 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background-color: #3498db;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.back-link {
    display: inline-block;
    margin-top: 1.5rem;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    font-size: 0.95rem;
}

.back-link:hover {
    color: #2980b9;
}

.success-message {
    display: none;
    background-color: #d5f4e6;
    color: #27ae60;
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    border: 1px solid #a9dfbf;
    text-align: center;
    font-weight: 500;
}

.success-message.show {
    display: block;
}

/* ============ CONFIRMATION PAGE STYLES ============ */
.confirmation-container {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-color: #f8f9fa;
}

.confirmation-wrapper {
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    max-width: 500px;
    width: 100%;
    border: 1px solid #e8e8e8;
    text-align: center;
}

.confirmation-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.confirmation-wrapper h1 {
    font-size: 2rem;
    color: #27ae60;
    margin-bottom: 1rem;
    font-weight: 700;
}

.confirmation-wrapper p {
    color: #555;
    margin-bottom: 2rem;
    font-size: 1.05rem;
    line-height: 1.6;
}

.confirmation-details {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 6px;
    margin: 2rem 0;
    border-left: 4px solid #3498db;
    text-align: left;
}

.detail-item {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-weight: 600;
    color: #2c3e50;
    display: block;
    margin-bottom: 0.3rem;
}

.detail-value {
    color: #555;
}

.confirmation-button {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.9rem 2rem;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.confirmation-button:hover {
    background-color: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

/* ============ RESPONSIVE DESIGN ============ */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .description h2 {
        font-size: 1.5rem;
    }

    .navbar-container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-btn {
        font-size: 0.85rem;
        padding: 0.5rem 0.8rem;
    }

    .setup-form-wrapper {
        padding: 2rem;
    }

    .setup-form-wrapper h1 {
        font-size: 1.7rem;
    }

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

    .confirmation-wrapper {
        padding: 2rem;
    }

    .confirmation-wrapper h1 {
        font-size: 1.7rem;
    }

    .confirmation-icon {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .description h2 {
        font-size: 1.3rem;
    }

    .setup-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .nav-btn {
        width: 100%;
        text-align: center;
    }
}