/* Base styles and CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-background: #fdf6e3;
    --color-text: #4b2e2e;
    --color-accent: #b35c4e;
    --color-secondary: #6a8eae;
    --color-tertiary: #c2a83e;
    --color-input-bg: #fff9f0;
    --shadow-color: rgba(75, 46, 46, 0.2);
}

body {
    font-family: 'Overpass', sans-serif;
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-background);
    /* Subtle paper texture */
    background-image: url("data:image/png;base64,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");
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Typography */
.vintage-title {
    font-family: 'Overpass', sans-serif;
    font-size: 2.5rem;
    text-align: center;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px var(--shadow-color);
    font-weight: 700;
    letter-spacing: 0.5px;
}

.subtitle {
    font-family: 'Overpass', sans-serif;
    text-align: center;
    color: var(--color-accent);
    font-style: italic;
    margin-bottom: 3rem;
}

/* Calculator Layout */
.calculator-wrapper {
    background-color: var(--color-input-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 12px var(--shadow-color);
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid rgba(75, 46, 46, 0.1);
}

/* Tabs */
.calculator-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    font-family: 'Overpass', sans-serif;
    padding: 0.75rem 1rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-text);
    color: var(--color-text);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
    min-width: 150px;
    font-size: 0.9rem;
    font-weight: 600;
}

.tab-btn:hover {
    background-color: var(--color-text);
    color: var(--color-background);
}

.tab-btn.active {
    background-color: var(--color-accent);
    color: var(--color-background);
    border-color: var(--color-accent);
}

/* Forms */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.vintage-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-family: 'Overpass', sans-serif;
    font-weight: 600;
    color: var(--color-text);
}

input {
    padding: 0.75rem;
    border: 2px solid var(--color-text);
    border-radius: 6px;
    font-size: 1rem;
    background-color: var(--color-background);
    color: var(--color-text);
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(179, 92, 78, 0.2);
}

/* Buttons */
.vintage-button {
    font-family: 'Overpass', sans-serif;
    padding: 1rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-background);
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 0 rgba(75, 46, 46, 0.3);
    transform: translateY(0);
}

.vintage-button:hover {
    background-color: var(--color-text);
    transform: translateY(-2px);
    box-shadow: 0 6px 0 rgba(75, 46, 46, 0.3);
}

.vintage-button:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 rgba(75, 46, 46, 0.3);
}

/* Results */
.result {
    text-align: center;
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: var(--color-background);
    border-radius: 6px;
    border: 2px solid var(--color-text);
}

.result-label {
    font-weight: 600;
    margin-right: 0.5rem;
}

.result-value {
    font-family: 'Overpass', sans-serif;
    font-size: 1.2rem;
    color: var(--color-accent);
    font-weight: 700;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid rgba(75, 46, 46, 0.1);
}

.copyright {
    color: var(--color-text);
    font-style: italic;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.seo-footer {
    color: var(--color-text);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Footer Navigation */
.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.vintage-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.vintage-link:hover {
    color: var(--color-text);
    background-color: rgba(179, 92, 78, 0.1);
}

/* Help Page Styles */
.help-content {
    max-width: 800px;
    margin: 0 auto;
}

.help-section {
    margin-bottom: 3rem;
}

.help-section h2 {
    font-family: 'Overpass', sans-serif;
    font-size: 1.8rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.help-item {
    padding: 1.5rem;
    background-color: var(--color-input-bg);
    border-radius: 8px;
    border: 1px solid rgba(75, 46, 46, 0.1);
}

.help-item h3 {
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: 600;
}

.key-list {
    list-style: none;
    padding: 0;
}

.key-list li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.key {
    background-color: var(--color-background);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9rem;
    border: 1px solid var(--color-text);
    color: var(--color-text);
}

.info-box {
    padding: 2rem;
    background-color: var(--color-input-bg);
    border-radius: 8px;
    border: 1px solid rgba(75, 46, 46, 0.1);
    margin-top: 1rem;
}

.info-box.warning {
    border-left: 4px solid var(--color-tertiary);
    background-color: rgba(194, 168, 62, 0.1);
}

.info-box.support {
    text-align: center;
    background-color: rgba(106, 142, 174, 0.1);
    border-left: 4px solid var(--color-secondary);
}

.help-item.success h3 {
    color: #2e8b57;
}

.help-item.error h3 {
    color: #d64545;
}

.error-text {
    color: #d64545;
    font-weight: 600;
}

.example {
    font-family: monospace;
    margin: 0.5rem 0;
    padding: 0.5rem;
    background-color: var(--color-background);
    border-radius: 4px;
    font-size: 0.9rem;
}

.tagline {
    margin-top: 1rem;
    font-style: italic;
    color: var(--color-accent);
}

.back-link {
    text-align: center;
    margin-top: 3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .vintage-title {
        font-size: 2rem;
    }

    .calculator-wrapper {
        padding: 1.5rem;
    }

    .calculator-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

    .info-section {
        padding: 1.5rem;
        margin-top: 3rem;
    }

    .info-section h2 {
        font-size: 1.75rem;
    }

    .faq-item h3 {
        font-size: 1.2rem;
    }

    .content-wrapper {
        font-size: 0.95rem;
    }

    .help-section {
        margin-bottom: 2rem;
    }

    .help-section h2 {
        font-size: 1.5rem;
    }

    .help-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .info-box {
        padding: 1.5rem;
    }

    .footer-nav {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content.active {
    animation: fadeIn 0.3s ease-out forwards;
}

/* Info Sections */
.info-section {
    margin-top: 4rem;
    padding: 2rem;
    background-color: var(--color-input-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid rgba(75, 46, 46, 0.1);
}

.info-section h2 {
    font-family: 'Overpass', sans-serif;
    font-size: 2rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.content-wrapper p {
    margin-bottom: 1.2rem;
    color: var(--color-text);
}

/* FAQ Styles */
.faq-section {
    margin-top: 3rem;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(75, 46, 46, 0.1);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item h3 {
    font-family: 'Overpass', sans-serif;
    font-size: 1.3rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: 600;
}

.faq-item ul {
    list-style-type: none;
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.faq-item li {
    margin-bottom: 0.5rem;
    position: relative;
}

.faq-item li:before {
    content: "•";
    color: var(--color-accent);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}

/* Privacy Policy Styles */
.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--color-input-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid rgba(75, 46, 46, 0.1);
}

.privacy-intro {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.privacy-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(75, 46, 46, 0.1);
}

.privacy-section:last-of-type {
    border-bottom: none;
    margin-bottom: 2rem;
    padding-bottom: 0;
}

.privacy-section h2 {
    font-family: 'Overpass', sans-serif;
    font-size: 1.6rem;
    color: var(--color-text);
    margin-bottom: 1.2rem;
    font-weight: 700;
}

.privacy-section h3 {
    font-size: 1.2rem;
    color: var(--color-accent);
    margin: 1.5rem 0 1rem;
    font-weight: 600;
}

.privacy-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.privacy-section ul {
    list-style-type: none;
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.privacy-section li {
    margin-bottom: 0.8rem;
    position: relative;
    line-height: 1.6;
}

.privacy-section li:before {
    content: "•";
    color: var(--color-accent);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}

.privacy-section strong {
    color: var(--color-text);
    font-weight: 600;
}

.highlight {
    background-color: rgba(179, 92, 78, 0.1);
    padding: 1rem;
    border-radius: 6px;
    border-left: 4px solid var(--color-accent);
    margin: 1.5rem 0;
}

/* Terms of Use Styles */
.terms-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--color-input-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid rgba(75, 46, 46, 0.1);
}

.terms-intro {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.8;
    padding: 1.5rem;
    background-color: rgba(75, 46, 46, 0.05);
    border-radius: 8px;
}

.terms-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(75, 46, 46, 0.1);
}

.terms-section:last-of-type {
    border-bottom: none;
    margin-bottom: 2rem;
    padding-bottom: 0;
}

.terms-section h2 {
    font-family: 'Overpass', sans-serif;
    font-size: 1.6rem;
    color: var(--color-text);
    margin-bottom: 1.2rem;
    font-weight: 700;
}

.terms-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.terms-section ul {
    list-style-type: none;
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.terms-section li {
    margin-bottom: 1rem;
    position: relative;
    line-height: 1.6;
}

.terms-section li:before {
    content: "•";
    color: var(--color-accent);
    position: absolute;
    left: -1.5rem;
    font-weight: bold;
}

.terms-section strong {
    color: var(--color-text);
    font-weight: 600;
}

.disclaimer-box {
    background-color: rgba(179, 92, 78, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
    margin: 1.5rem 0;
}

.disclaimer-box p {
    margin-bottom: 1rem;
}

.disclaimer-box p:last-child {
    margin-bottom: 0;
}

/* Updated Footer Navigation */
.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

/* Responsive Updates for Terms Page */
@media (max-width: 768px) {
    .terms-content {
        padding: 1.5rem;
    }

    .terms-intro {
        padding: 1rem;
        font-size: 1rem;
    }

    .terms-section h2 {
        font-size: 1.4rem;
    }

    .disclaimer-box {
        padding: 1rem;
    }

    .footer-nav {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}

/* Contact Page Styles */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--color-input-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
}

.contact-intro {
    text-align: center;
    margin-bottom: 2rem;
}

.contact-intro p {
    font-size: 1.2rem;
    color: var(--color-text);
}

.contact-email {
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--color-background);
    border-radius: 8px;
    border: 2px solid var(--color-accent);
}

.email-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.email-icon {
    font-size: 2rem;
}

.email-link {
    font-size: 1.5rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.email-link:hover {
    color: var(--color-text);
    text-decoration: underline;
}

.response-time {
    font-style: italic;
    color: var(--color-text);
    opacity: 0.8;
}

.contact-section {
    margin-bottom: 3rem;
}

.contact-section h2 {
    font-family: 'Overpass', sans-serif;
    font-size: 1.8rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    text-align: center;
}

.email-guide {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(75, 46, 46, 0.1);
}

.email-guide h3 {
    color: var(--color-accent);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

.email-guide h3:first-child {
    margin-top: 0;
}

.contact-list {
    list-style: none;
    padding: 0;
}

.contact-list li {
    margin-bottom: 1.5rem;
}

.contact-list li:last-child {
    margin-bottom: 0;
}

.contact-list strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.contact-list p {
    color: var(--color-text);
    opacity: 0.9;
    margin-left: 1rem;
}

.privacy-note {
    background-color: var(--color-background);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(75, 46, 46, 0.1);
    margin-bottom: 3rem;
    text-align: center;
}

.privacy-note strong {
    color: var(--color-accent);
}

.inline-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.inline-link:hover {
    text-decoration: underline;
    color: var(--color-text);
}

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

/* Responsive Contact Page */
@media (max-width: 768px) {
    .contact-content {
        padding: 1rem;
    }

    .contact-email {
        padding: 1rem;
    }

    .email-box {
        flex-direction: column;
    }

    .email-link {
        font-size: 1.2rem;
        word-break: break-all;
    }

    .email-guide {
        padding: 1rem;
    }
}

/* Quick Links Section */
.quick-links {
    margin: 4rem auto;
    padding: 2.5rem;
    background-color: var(--color-input-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
    max-width: 900px;
    border: 1px solid rgba(75, 46, 46, 0.1);
}

.quick-links h2 {
    text-align: center;
    color: var(--color-accent);
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 1rem;
}

.quick-links h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.quick-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-color: var(--color-background);
    border: 2px solid var(--color-accent);
    border-radius: 8px;
    text-align: center;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    height: 100%;
    min-height: 80px;
}

.quick-link:hover {
    background-color: var(--color-accent);
    color: var(--color-background);
    transform: translateY(-3px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

/* Quick Links Description */
.quick-links-description {
    text-align: center;
    margin: 2rem auto 0;
    max-width: 600px;
    color: var(--color-text);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Responsive adjustments for Quick Links */
@media (max-width: 768px) {
    .quick-links {
        padding: 1.5rem;
        margin: 2rem auto;
    }

    .quick-links h2 {
        font-size: 1.6rem;
        margin-bottom: 1.5rem;
    }

    .link-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .quick-link {
        padding: 1.2rem;
        font-size: 1rem;
        min-height: 60px;
    }

    .quick-links-description {
        font-size: 1rem;
        margin-top: 1.5rem;
    }
}

/* Common Calculations Section */
.calculation-type {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--color-background);
    border-radius: 8px;
    border: 1px solid var(--color-accent);
}

.calculation-type h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.example {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: var(--color-input-bg);
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.9rem;
}

/* Feature List */
.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

/* Enhanced FAQ Section */
.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--color-background);
    border-radius: 8px;
    border: 1px solid var(--color-accent);
    transition: transform 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
}

.faq-item h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.faq-item ul, .faq-item ol {
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.faq-item li {
    margin-bottom: 0.5rem;
}

/* SEO Enhancements */
.vintage-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--color-accent);
    text-shadow: 2px 2px 4px var(--shadow-color);
}

.subtitle {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.seo-footer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text);
    opacity: 0.8;
    margin-top: 1rem;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .link-grid {
        grid-template-columns: 1fr;
    }

    .vintage-title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .calculation-type, .faq-item {
        padding: 1rem;
    }
}

/* Print Styles for SEO */
@media print {
    .container {
        width: 100%;
        margin: 0;
        padding: 0;
    }

    .calculator-wrapper {
        page-break-inside: avoid;
    }

    .quick-links, .footer-nav {
        display: none;
    }
}

/* Calculator Navigation */
.calculator-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.nav-link {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-background);
    border: 2px solid var(--color-accent);
    color: var(--color-accent);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link:focus {
    background-color: var(--color-accent);
    color: var(--color-background);
    transform: translateY(-2px);
}

/* Calculator Sections */
.calculator-section {
    max-width: 600px;
    margin: 3rem auto;
    padding: 2rem;
    background-color: var(--color-input-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 1px solid rgba(75, 46, 46, 0.1);
    scroll-margin-top: 2rem;
}

.calculator-section h2 {
    color: var(--color-accent);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 700;
}

/* Calculator Results */
.result {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: var(--color-background);
    border-radius: 8px;
    border: 1px solid var(--color-accent);
}

.result p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.result p:last-child {
    margin-bottom: 0;
    font-weight: 700;
    color: var(--color-accent);
    font-size: 1.3rem;
}

.error {
    color: #d64545;
    font-weight: 600;
    text-align: center;
}

.final-price,
.total-amount,
.letter-grade {
    font-size: 1.4rem !important;
    color: var(--color-accent);
    font-weight: 700;
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(75, 46, 46, 0.1);
}

/* Quick Access Buttons */
.quick-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.quick-button {
    padding: 0.5rem 1rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.quick-button:hover {
    background-color: var(--color-accent);
    color: var(--color-background);
}

/* Responsive Design for Calculators */
@media (max-width: 768px) {
    .calculator-section {
        margin: 2rem auto;
        padding: 1.5rem;
    }

    .calculator-section h2 {
        font-size: 1.5rem;
    }

    .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .result {
        padding: 1rem;
    }

    .result p {
        font-size: 1rem;
    }

    .final-price,
    .total-amount,
    .letter-grade {
        font-size: 1.2rem !important;
    }
}

/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Calculator Section Transitions */
.calculator-section {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.calculator-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--shadow-color);
}

/* Quick Tips */
.quick-tip {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: rgba(179, 92, 78, 0.1);
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--color-text);
    text-align: center;
}

/* Common Presets */
.preset-buttons {
    display: flex;
    gap: 0.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
    justify-content: center;
}

.preset-button {
    padding: 0.5rem 1rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.preset-button:hover {
    background-color: var(--color-accent);
    color: var(--color-background);
}