/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 32px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

/* Hamburger toggle — hidden checkbox + label, no JS needed */
.nav-checkbox {
    display: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 0.5rem 0.625rem;
    font-size: 1.25rem;
    color: #475569;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.nav-toggle:hover {
    background: #f1f5f9;
}

.nav-links a {
    color: #64748b;
    text-decoration: none;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: #0d9488;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.15s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: #0d9488;
    color: white;
}

.btn-primary:hover {
    background: #0f766e;
}

.btn-secondary {
    background: #f1f5f9;
    color: #475569;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-outline {
    background: transparent;
    color: #0d9488;
    border: 2px solid #0d9488;
}

.btn-outline:hover {
    background: #0d9488;
    color: white;
}

.nav .btn-primary,
.hero-buttons .btn-primary {
    background: white;
    color: #0d9488;
    border: 2px solid #0d9488;
    padding: 0.65rem 1.35rem;
    line-height: 1;
}

.nav .btn-primary:hover,
.hero-buttons .btn-primary:hover {
    background: #f0fdfa;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: 4rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ecfdf5;
    color: #059669;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero h1 span {
    color: #0d9488;
}

.hero p {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Social Proof */
.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

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

.proof-number {
    font-size: 2rem;
    font-weight: 700;
    color: #0d9488;
}

.proof-label {
    font-size: 0.85rem;
    color: #64748b;
}

/* Mission Section */
.mission-section {
    padding: 4rem 2rem;
    background: #fff;
}

.mission-content {
    max-width: 700px;
    margin: 0 auto;
    background: #f0fdfa;
    border-left: 4px solid #0d9488;
    border-radius: 0 8px 8px 0;
    padding: 1.5rem 2rem;
}

.mission-content h2 {
    font-size: 1rem;
    color: #0d9488;
    margin-bottom: 0.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mission-content p {
    font-size: 1rem;
    color: #0f766e;
    line-height: 1.7;
    font-weight: 500;
}

/* Demo Section */
.demo-section {
    padding: 4rem 2rem;
    background: #fff;
}

.demo-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.demo-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #0f172a;
}

.demo-content p {
    color: #64748b;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: #475569;
}

.feature-list i {
    color: #0d9488;
    margin-top: 0.25rem;
}

.demo-preview {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.demo-browser {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.browser-bar {
    background: #f1f5f9;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.browser-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}

.browser-url {
    flex: 1;
    background: white;
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #64748b;
    margin-left: 0.5rem;
}

.browser-content {
    padding: 1.5rem;
}

.mock-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: #ecfdf5;
    color: #059669;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.mock-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.25rem;
}

.mock-subtitle {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 1rem;
}

.mock-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.mock-pill {
    padding: 0.375rem 0.75rem;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 9999px;
    font-size: 0.75rem;
    color: #374151;
}

.mock-pill.selected {
    background: #0d9488;
    border-color: #0d9488;
    color: white;
}

.mock-results {
    background: #f8fafc;
    border-radius: 6px;
    padding: 0.75rem;
}

.mock-result-header {
    font-size: 0.7rem;
    color: #64748b;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.mock-result-item {
    display: flex;
    justify-content: space-between;
    padding: 0.375rem 0;
    font-size: 0.8rem;
    border-bottom: 1px solid #e2e8f0;
}

.mock-result-item:last-child {
    border-bottom: none;
}

.mock-dietary-badge {
    font-size: 0.6rem;
    padding: 0.125rem 0.375rem;
    background: #dcfce7;
    color: #166534;
    border-radius: 4px;
}

/* How It Works */
.how-section {
    padding: 4rem 2rem;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2rem;
    color: #0f172a;
    margin-bottom: 0.75rem;
}

.section-header p {
    color: #64748b;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.step-number {
    width: 48px;
    height: 48px;
    background: #0d9488;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
}

.step h3 {
    font-size: 1.1rem;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 0.9rem;
    color: #64748b;
}

/* Benefits */
.benefits-section {
    padding: 4rem 2rem;
    background: white;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.benefit {
    display: flex;
    gap: 1rem;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    background: #f0fdfa;
    color: #0d9488;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.benefit h3 {
    font-size: 1rem;
    color: #0f172a;
    margin-bottom: 0.25rem;
}

.benefit p {
    font-size: 0.9rem;
    color: #64748b;
}

/* CTA Section */
.cta-section {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: 2rem;
    color: white;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255,255,255,0.85);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-section .btn-primary {
    background: white;
    color: #0d9488;
}

.cta-section .btn-primary:hover {
    background: #f0fdfa;
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    background: #0f172a;
    color: #94a3b8;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: white;
}

.footer-note {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 0.75rem;
}

.footer-copyright {
    font-size: 0.85rem;
}

/* Consumer Link */
.consumer-link {
    padding: 4rem 2rem;
    text-align: center;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.consumer-link p {
    color: #64748b;
    font-size: 0.9rem;
}

.consumer-link a {
    color: #0d9488;
    font-weight: 500;
}

/* About Page */
.about-shell {
    max-width: 960px;
    margin: 0 auto;
    padding: 3rem 2rem 4.5rem;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.about-subtitle {
    font-size: 1.05rem;
    color: #64748b;
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.about-section {
    margin-bottom: 2.5rem;
}

.about-section h2 {
    font-size: 1.25rem;
    color: #0d9488;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.about-section p {
    color: #475569;
    margin-bottom: 1rem;
    line-height: 1.75;
}

.highlight-box {
    background: #f0fdfa;
    border-left: 4px solid #0d9488;
    padding: 1.25rem 1.5rem;
    border-radius: 0 8px 8px 0;
    margin: 1.5rem 0;
    color: #0f766e;
    font-weight: 500;
}

.founder-box {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    margin: 2rem 0;
    flex-direction: column;
    text-align: center;
}

.founder-photo {
    width: 100%;
    max-width: 360px;
    border-radius: 12px;
    object-fit: cover;
    margin: 0 auto;
}

.founder-info h3 {
    font-size: 1.1rem;
    color: #0f172a;
    margin-bottom: 0.25rem;
}

.founder-info .title {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 0.75rem;
}

.founder-info p {
    font-size: 0.95rem;
    color: #475569;
}

.values-list {
    list-style: none;
    margin: 1rem 0;
}

.values-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: #475569;
}

.values-list i {
    color: #0d9488;
    margin-top: 0.25rem;
}

.contact-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.contact-card h2 {
    color: #0f172a;
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: #64748b;
    margin-bottom: 1rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #0d9488;
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
}

.contact-email:hover {
    text-decoration: underline;
}

/* Responsive — hamburger nav */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
        padding: 1rem 0;
    }

    .nav-checkbox:checked ~ .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
        text-align: center;
        padding: 1rem 0;
    }

    .nav-links a {
        display: block;
        padding: 0.5rem 0;
    }

    .nav {
        flex-wrap: wrap;
    }
}

@media (max-width: 900px) {
    .nav {
        padding: 1rem 1.5rem;
    }

    .hero {
        padding: 3.25rem 1.5rem 4.5rem;
    }

    .demo-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1.05rem;
    }

    .mission-section,
    .demo-section,
    .how-section,
    .benefits-section,
    .cta-section,
    .consumer-link {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 3rem 1.25rem 4rem;
    }

    .hero h1 {
        font-size: 1.85rem;
        line-height: 1.25;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .demo-content h2 {
        font-size: 1.5rem;
    }

    .feature-list li {
        font-size: 0.95rem;
    }

    .demo-preview {
        padding: 1.1rem;
    }

    .browser-bar {
        padding: 0.6rem 0.85rem;
    }

    .browser-content {
        padding: 1.1rem;
    }

    .steps {
        gap: 1.25rem;
    }

    .step {
        padding: 1.25rem;
    }

    .cta-section {
        padding: 4rem 1.25rem;
    }

    .footer {
        padding: 2.5rem 1.25rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.75rem;
    }

    .consumer-link {
        padding: 1.5rem 1.25rem;
    }

    .social-proof {
        flex-direction: column;
        gap: 1rem;
    }
}