/* BoatNavi website — the shared product sheet, in the consumer-app teal */

:root {
    --brand: #00d4aa;
    --brand-dark: #00a884;
    --brand-light: rgba(0, 212, 170, 0.12);
    --brand-glow: rgba(0, 212, 170, 0.25);
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --text-tertiary: #86868b;
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-surface: #111111;
    --border-color: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    --card-shadow-hover: 0 8px 32px rgba(0, 212, 170, 0.15);
    --radius: 20px;
    --radius-sm: 12px;
    --max-width: 1080px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.5;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.nav-brand span {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Hero */
.hero {
    padding: 160px 24px 100px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 170, 0.08) 0%, transparent 60%);
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.app-icon-container {
    margin-bottom: 32px;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 26px;
    box-shadow: 0 8px 40px rgba(0, 212, 170, 0.3);
    object-fit: cover;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--brand-light);
    color: var(--brand);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.3px;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.hero h1 {
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.06;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--brand) 0%, #6ee7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: clamp(18px, 2.5vw, 22px);
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.4;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--brand);
    color: #001622;
    padding: 14px 32px;
    border-radius: 100px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    opacity: 0.9;
}

.hero-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
    opacity: 1;
}

.platform-tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.platform-tag {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-tertiary);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid var(--border-color);
}

/* The three-call loop */
.loop {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 48px;
}

.loop-step {
    background: var(--bg-surface);
    border: 1px solid rgba(0, 212, 170, 0.25);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    text-align: left;
}

.loop-step code {
    font-family: 'SF Mono', ui-monospace, Menlo, monospace;
    font-size: 15px;
    font-weight: 600;
    color: var(--brand);
}

.loop-step span {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.loop-arrow {
    color: var(--text-tertiary);
    font-size: 20px;
}

/* Features */
.features {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.features-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.features h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 56px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    text-align: left;
}

.feature-card {
    background: var(--bg-surface);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 212, 170, 0.3);
    box-shadow: var(--card-shadow-hover);
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 14px;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.2px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.55;
}

/* How It Works */
.how-it-works {
    padding: 100px 24px;
    background: var(--bg-primary);
}

.how-it-works-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.how-it-works h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    text-align: center;
    margin-top: 56px;
}

.step {
    padding: 16px;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--brand);
    color: #001622;
    font-size: 20px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.55;
}

/* Comparison Table */
.comparison {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.comparison-inner {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.comparison h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 48px;
    text-align: left;
}

.comparison-table th {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th.col-toolport {
    color: var(--brand);
}

.comparison-table td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.comparison-table td.col-label {
    color: var(--text-primary);
    font-weight: 500;
}

.comparison-table td.col-toolport {
    color: var(--text-primary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.check-yes { color: #30d158; }
.check-no { color: var(--text-tertiary); }

/* Plans */
.plans {
    padding: 100px 24px;
    background: var(--bg-primary);
}

.plans-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.plans h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    text-align: left;
}

/* A section with a single card (e.g. the Team & Enterprise teaser): constrain
   and center the card instead of stretching it across the row. */
.plan-grid.single {
    grid-template-columns: minmax(0, 440px);
    justify-content: center;
    text-align: center;
    margin-top: 56px;
}

.plan-card {
    background: var(--bg-surface);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Bottom-anchored CTA block inside any card — buttons and their captions line
   up across a row no matter how long each card's content runs (same pattern
   as the company page's app-card footers). */
.card-footer {
    margin-top: auto;
    padding-top: 16px;
}
.card-footer .plan-note { margin-top: 8px; }

.plan-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0, 212, 170, 0.3);
    box-shadow: var(--card-shadow-hover);
}

.plan-card.featured {
    border-color: rgba(0, 212, 170, 0.45);
    background: linear-gradient(180deg, rgba(0, 212, 170, 0.06) 0%, var(--bg-surface) 60%);
}

.plan-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.plan-price {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.plan-price span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-tertiary);
}

.plan-note {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 18px;
}

.plan-features {
    list-style: none;
    margin-top: 10px;
}

.plan-features li {
    font-size: 13.5px;
    color: var(--text-secondary);
    padding: 6px 0;
    border-top: 1px solid var(--border-color);
}

.plan-features li::before {
    content: "✓  ";
    color: #30d158;
    font-weight: 700;
}

/* "roadmap" marker — a muted pill so unbuilt items read as planned, not shipped */
.roadmap {
    display: inline-block;
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    color: var(--text-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 1px 7px;
    margin-left: 6px;
    vertical-align: middle;
}

.plans-footnote {
    margin-top: 32px;
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Editions */
.platforms-heading {
    text-align: center;
    margin: 64px 0 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.edition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    text-align: left;
    max-width: 760px;
    margin: 28px auto 0;
}

.edition-card {
    background: var(--bg-surface);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.edition-card h3 {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.2px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.edition-chip {
    display: inline-block;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--brand);
    background: var(--brand-light);
    border: 1px solid rgba(0, 212, 170, 0.25);
    padding: 3px 10px;
    border-radius: 100px;
    margin-bottom: 14px;
}

.edition-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.55;
    margin-bottom: 12px;
}

.edition-card ul {
    list-style: none;
}

.edition-card li {
    font-size: 13.5px;
    color: var(--text-secondary);
    padding: 6px 0;
    border-top: 1px solid var(--border-color);
}

.edition-card li::before {
    content: "✓  ";
    color: #30d158;
    font-weight: 700;
}

.edition-card li.edition-no::before {
    content: "—  ";
    color: var(--text-tertiary);
    font-weight: 700;
}

/* Privacy Section */
.privacy-section {
    padding: 80px 24px;
    background: var(--bg-secondary);
}

.privacy-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.privacy-inner h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.privacy-badges {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.privacy-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.privacy-badge .check {
    color: #30d158;
    font-weight: 700;
}

/* Tech Stack */
.tech-section {
    padding: 80px 24px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.tech-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.tech-inner h2 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 48px;
    color: var(--text-primary);
}

.tech-grid {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tech-tag {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 170, 0.25);
    color: var(--brand);
    background: var(--brand-light);
}

/* Footer */
.footer {
    padding: 48px 24px 24px;
    background: var(--bg-primary);
    color: rgba(255, 255, 255, 0.8);
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-brand img {
    width: 32px;
    height: 32px;
    border-radius: 7px;
}

.footer-brand span {
    font-size: 18px;
    font-weight: 600;
    color: white;
}

.footer-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.5;
    max-width: 360px;
}

.footer h4 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 20px;
    font-size: 13.5px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
}

.footer-bottom strong {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    transition: color 0.2s, border-color 0.2s;
}

.footer-bottom a:hover {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.6);
}

/* Legal Pages */
.legal-page {
    padding: 120px 24px 80px;
    max-width: 760px;
    margin: 0 auto;
}

.legal-page h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.legal-page .last-updated {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 40px;
}

.legal-page h2 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.legal-page h3 {
    font-size: 17px;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.legal-page p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.legal-page ul, .legal-page ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-page li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 4px;
}

.legal-page strong {
    color: var(--text-primary);
    font-weight: 600;
}

.legal-page a {
    color: var(--brand);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 212, 170, 0.35);
    transition: border-color 0.2s;
}

.legal-page a:hover {
    border-bottom-color: var(--brand);
}

/* Content links inside cards, subtitles, and footnotes — same treatment as the footer:
   no default underline, subtle bottom border that brightens on hover */
.plan-note a,
.section-subtitle a,
.plans-footnote a,
.hero-subtitle a,
.edition-card a,
.plan-features a,
.steps-list a {
    color: var(--brand);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 212, 170, 0.35);
    transition: border-color 0.2s;
}

/* Numbered how-to steps inside FAQ cards and support answers — stacked list
   with brand-colored markers instead of inline "1. … 2. …" prose, so the
   numbers rag left instead of landing mid-sentence at line ends. */
.steps-list {
    margin: 10px 0 0;
    padding-left: 22px;
    display: grid;
    gap: 8px;
}
.steps-list li { padding-left: 4px; }
.steps-list li::marker { color: var(--brand); font-weight: 700; }
.plan-card .steps-list li { font-size: 13.5px; color: var(--text-secondary); }

.plan-note a:hover,
.section-subtitle a:hover,
.plans-footnote a:hover,
.hero-subtitle a:hover,
.edition-card a:hover,
.plan-features a:hover,
.steps-list a:hover {
    border-bottom-color: var(--brand);
}

.highlight-box {
    background: var(--brand-light);
    border-left: 3px solid var(--brand);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 20px 0;
}

.highlight-box p {
    color: var(--text-primary);
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 120px 20px 80px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .comparison-table {
        font-size: 13px;
    }

    .loop-arrow {
        display: none;
    }

    .loop {
        flex-direction: column;
        align-items: stretch;
        max-width: 340px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }

    .features,
    .how-it-works,
    .privacy-section,
    .tech-section,
    .plans,
    .comparison {
        padding: 60px 16px;
    }

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

    .privacy-badges {
        flex-direction: column;
        align-items: center;
    }

    .comparison-table th:nth-child(2),
    .comparison-table td:nth-child(2) {
        display: none;
    }
}

/* Primary action buttons on the download/thanks pages (DMG download, Buy Solo) —
   real buttons, not bare links, so the purchase path reads at a glance. */
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 22px;
    border-radius: 980px;
    background: var(--brand);
    color: #001018;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 18px var(--brand-glow);
}
.btn-cta:hover {
    background: var(--brand-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 26px var(--brand-glow);
}
.btn-cta.secondary {
    background: transparent;
    color: var(--brand);
    border: 1px solid var(--brand);
    box-shadow: none;
}
.btn-cta.secondary:hover {
    background: var(--brand-light);
    transform: translateY(-1px);
}

/* DMG download button styled to the same visual weight as the official
   App Store badge beside it (badge geometry, two-line label, download glyph).
   Deliberately NO Apple logo — Apple licenses its badge/logo for App Store
   links only; the "notarized" caption underneath carries the trust signal. */
.dmg-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: #000;
    border: 1px solid #fff;
    border-radius: 10px;
    padding: 0 14px;
    height: 50px;
    text-decoration: none;
    transition: transform 0.2s;
}
.dmg-badge:hover { transform: scale(1.03); }
.dmg-badge svg { width: 22px; height: 22px; flex-shrink: 0; }
.dmg-badge .dmg-badge-text { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.dmg-badge .dmg-badge-text small { font-size: 9.5px; font-weight: 500; letter-spacing: 0.02em; }
.dmg-badge .dmg-badge-text strong { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }

/* Stripe-checkout-styled buy button: Stripe's blurple + lock glyph reads as
   "this is a Stripe checkout" at a glance; the caption underneath names it. */
.stripe-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: #635bff;
    color: #fff;
    border-radius: 10px;
    padding: 13px 22px;
    height: 50px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: transform 0.2s, background 0.2s;
}
.stripe-btn:hover { transform: scale(1.03); background: #5851e6; }
.stripe-btn svg { width: 15px; height: 15px; flex-shrink: 0; }

/* Mobile menu, carried over from the EAG sheet: this sheet simply hid .nav-links
   below 1000px, which left phones with no navigation at all. Checkbox-and-label
   disclosure, so it works with zero JavaScript on a static site. */
.nav-toggle,
.nav-burger {
    display: none;
}

@media (max-width: 1000px) {
    .nav-inner {
        position: relative;
    }

    .nav-links {
        display: none;
    }

    /* The checkbox is the control (focusable, keyboard-operable); the label is
       its visible hamburger. Both sit at 44px so the tap target is real. */
    .nav-toggle {
        display: block;
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        width: 44px;
        height: 44px;
        margin: 0;
        opacity: 0;
        cursor: pointer;
        z-index: 3;
    }

    .nav-burger span {
        display: block;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: transform 0.2s, opacity 0.2s;
    }

    .nav-burger {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 22px;
        height: 44px;
        margin-left: auto;
    }

    .nav-toggle:checked ~ .nav-burger span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle:checked ~ .nav-burger span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle:checked ~ .nav-burger span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nav-toggle:focus-visible ~ .nav-burger {
        outline: 2px solid var(--brand);
        outline-offset: 4px;
        border-radius: 3px;
    }

    .nav-toggle:checked ~ .nav-links li:last-child {
        border-bottom: 0;
    }

    .nav-toggle:checked ~ .nav-links li {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-toggle:checked ~ .nav-links a {
        font-size: 15px;
    }

    .nav-toggle:checked ~ .nav-links {
        display: flex;
        flex-direction: column;
        gap: 0;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
        padding: 4px 20px 12px;
    }
}