/* ═══════════════════════════════════════════════════════════════════
   Mnemous Landing Page — "Authentic & Crafted" Editorial Style
   ═══════════════════════════════════════════════════════════════════ */

:root {
    /* Extreme Monochrome Palette */
    --color-bg: #08080a;
    /* Very deep, off-black for depth without being #000 */
    --color-bg-elevated: #101014;
    --color-border: #222226;
    --color-border-subtle: #19191d;

    --color-text-primary: #f0f0f0;
    --color-text-secondary: #88888f;
    --color-text-dim: #55555c;

    /* Just one accent color - A muted, elegant electric blue */
    --color-accent: #3b82f6;

    --spacing-sm: 12px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 96px;
    --spacing-xxl: 160px;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
    --font-mono: 'SFMono-Regular', Consolas, "Liberation Mono", Menlo, monospace;
}

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

html {
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── NAVIGATION (Minimalist) ── */
.nav-minimal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(8, 8, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
    z-index: 1000;
}

.nav-brand {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 32px;
}

.lang-switch {
    display: flex;
    gap: 16px;
    font-size: 14px;
    font-weight: 500;
}

.lang-switch button,
.lang-switch a {
    background: none;
    border: none;
    color: var(--color-text-dim);
    cursor: pointer;
    transition: color 0.2s;
    font-family: var(--font-sans);
    text-decoration: none;
}

.lang-switch button:hover,
.lang-switch a:hover {
    color: var(--color-text-primary);
}

.lang-switch button.active,
.lang-switch a.active {
    color: var(--color-text-primary);
}

.btn-login {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.2s;
}

.btn-login:hover {
    opacity: 0.7;
}

/* ── LAYOUT ── */
.story-container {
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 40px;
    padding-top: 160px;
    /* Space for nav */
    width: 100%;
}

/* ── SECTION: HERO ── */
.section-hero {
    min-height: 50vh;
    /* Reduced from 70vh to show affordance of next section */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    /* Centered for stronger CTA */
    text-align: center;
    padding-top: 80px;
    padding-bottom: var(--spacing-xl);
}

.hero-content {
    max-width: 980px;
}

.hero-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 80px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: var(--spacing-lg);
    color: #fff;
    text-wrap: balance;
}

.hero-subtitle {
    font-size: 24px;
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    /* Centered margin */
    text-wrap: balance;
}

.hero-note {
    max-width: 760px;
    margin: 0 auto 28px;
    color: var(--color-text-primary);
    font-size: 15px;
    letter-spacing: 0.01em;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

.hero-operating-map {
    width: min(100%, 980px);
    margin: 44px auto 0;
    padding: 26px 28px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.012));
    text-align: left;
}

.operating-map-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border-subtle);
}

.operating-map-head strong {
    max-width: 560px;
    color: var(--color-text-primary);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.45;
    text-align: right;
    text-wrap: balance;
}

.operating-map-kicker {
    font-family: var(--font-mono);
    color: var(--color-text-dim);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.operating-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.operating-step {
    min-width: 0;
    padding: 22px 20px 20px;
    border-left: 1px solid var(--color-border-subtle);
}

.operating-step:first-child {
    border-left: 0;
    padding-left: 0;
}

.operating-step span {
    display: block;
    margin-bottom: 12px;
    font-family: var(--font-mono);
    color: var(--color-text-dim);
    font-size: 12px;
}

.operating-step strong {
    display: block;
    margin-bottom: 8px;
    color: #fff;
    font-size: 18px;
    font-weight: 500;
}

.operating-step p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.55;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.hero-proof-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 18px;
    border-top: 1px solid var(--color-border-subtle);
}

.hero-proof-badges span {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.035);
    font-size: 13px;
    font-weight: 500;
}

.sub-highlight {
    color: var(--color-text-primary);
    font-weight: 500;
}

.btn-primary-elegant {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    /* Increased size for stronger affordance */
    padding: 0 56px;
    background: #fff;
    color: #000;
    font-size: 18px;
    /* Bigger font */
    font-weight: 600;
    text-decoration: none;
    transform: translateY(0);
    transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
    border-radius: 2px;
    /* Slight softening for modern feel */
}

.btn-primary-elegant:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
    /* Elegant glow on hover */
}

.btn-secondary-elegant {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    padding: 0 40px;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    background: transparent;
    font-size: 17px;
    font-weight: 500;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.btn-secondary-elegant:hover {
    border-color: rgba(255, 255, 255, 0.28);
    background: var(--color-bg-elevated);
    transform: translateY(-2px);
}

/* ── SECTION: REAL ARTIFACT (The Pitch) ── */
.section-artifact {
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid var(--color-border-subtle);
}

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

.section-title-serif {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
    text-wrap: balance;
}

.section-desc {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
    text-wrap: pretty;
}

/* The Email Mockup - Meticulously Crafted */
.artifact-email-mock {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    padding: 60px;
    position: relative;
}

.email-header {
    border-bottom: 1px solid var(--color-border-subtle);
    padding-bottom: 24px;
    margin-bottom: 32px;
}

.email-row {
    margin-bottom: 12px;
    font-size: 15px;
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr);
    column-gap: 12px;
    align-items: start;
}

.email-label {
    color: var(--color-text-dim);
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 1px;
    padding-top: 2px;
}

.email-value {
    color: var(--color-text-primary);
    font-weight: 400;
    min-width: 0;
    overflow-wrap: anywhere;
}

.email-body {
    font-family: var(--font-serif);
    font-size: 20px;
    line-height: 1.8;
    color: #d1d1d6;
    word-break: keep-all;
    /* ADDED: Prevents awkward Korean word wrapping */
}

.email-body p {
    margin-bottom: 24px;
}

.email-body p:last-child {
    margin-bottom: 0;
}

.email-footer-badge {
    position: absolute;
    bottom: -20px;
    right: 40px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text-dim);
    z-index: 2;
    /* Ensure it stays above the fade gradient */
}

/* ── SECTION: IMPACT ── */
.section-impact {
    padding: var(--spacing-xxl) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-top: 1px solid var(--color-border-subtle);
}

.impact-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.impact-card {
    min-width: 0;
    padding: 28px;
    border: 1px solid var(--color-border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
}

.impact-card h3 {
    margin-bottom: 12px;
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 0;
    color: #fff;
}

.impact-card p {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.7;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.impact-label {
    font-family: var(--font-mono);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0;
    color: var(--color-text-dim);
    margin-bottom: 40px;
}

.impact-number {
    font-size: 14vw;
    /* Massive responding text */
    font-weight: 300;
    line-height: 1;
    letter-spacing: -6px;
    font-family: var(--font-sans);
    /* Keep it very clinical */
    color: #fff;
    margin-bottom: 24px;
}

.impact-number .colon {
    color: var(--color-text-dim);
}

.impact-detail {
    font-size: 20px;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 760px;
}

/* ── SECTION: CURATED PATHS ── */
.section-paths {
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid var(--color-border-subtle);
}

.paths-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
    max-width: 1480px;
    margin: 0 auto;
}

.path-card {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 28px;
    border: 1px solid var(--color-border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
}

.path-tag {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.path-card h3 {
    font-size: 24px;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.path-card h3 a {
    color: #fff;
    text-decoration: none;
}

.path-card h3 a:hover {
    color: var(--color-accent);
}

.path-copy {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.7;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.path-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.path-link:hover {
    color: var(--color-accent);
}

.path-link::after {
    content: "->";
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ── SECTION: PRICING ── */
.section-trust-strip {
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid var(--color-border-subtle);
}

.trust-strip {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 32px;
    border: 1px solid var(--color-border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
}

.trust-copy .section-desc {
    max-width: none;
    margin: 0;
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-content: flex-start;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-text-primary);
    font-size: 13px;
    font-weight: 500;
}

.trust-strip__cta {
    min-width: 180px;
}

.section-pricing {
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid var(--color-border-subtle);
}

.section-title-sans {
    font-size: 40px;
    font-weight: 300;
    letter-spacing: -1px;
    text-wrap: balance;
}

.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    align-items: stretch;
    max-width: 1480px;
    margin: 0 auto;
}

.pricing-availability {
    max-width: 900px;
    margin: 0 auto 28px;
    padding: 14px 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-text-primary);
    font-size: 14px;
    line-height: 1.7;
    text-align: center;
}

.price-tier {
    border: 1px solid var(--color-border);
    padding: 40px 28px;
    display: grid;
    grid-template-rows: auto auto minmax(88px, auto) 18rem 1fr auto;
    text-align: left;
    min-width: 0;
    background: transparent;
}

.price-tier-free {
    background: transparent;
}

.price-tier.tier-pro {
    background: var(--color-bg-elevated);
}

.tier-name {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.tier-audience {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    margin-bottom: 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: var(--color-text-dim);
}

.tier-price {
    font-size: 56px;
    font-weight: 300;
    letter-spacing: -2px;
    color: #fff;
    margin-bottom: 8px;
    min-height: 88px;
    display: flex;
    align-items: flex-start;
    line-height: 1.15;
    white-space: normal;
    flex-wrap: wrap;
    row-gap: 4px;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.period {
    font-size: 20px;
    color: var(--color-text-dim);
    letter-spacing: 0;
}

.tier-desc {
    font-size: 16px;
    color: var(--color-text-secondary);
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
    min-height: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    line-height: 1.55;
    word-break: keep-all;
    overflow-wrap: anywhere;
    text-wrap: pretty;
}

.tier-summary {
    display: block;
    font-size: 15px;
    line-height: 1.65;
    color: var(--color-text-primary);
}

.tier-proof {
    display: block;
    font-size: 14px;
    line-height: 1.65;
    color: var(--color-text-dim);
}

.tier-note {
    display: block;
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.tier-features {
    list-style: none;
    flex: 1;
    margin: 32px 0 64px;
}

.tier-features li {
    font-size: 16px;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    position: relative;
    padding-left: 30px;
    line-height: 1.55;
    word-break: keep-all;
    overflow-wrap: normal;
}

.feature-line {
    display: block;
    min-width: 0;
    overflow-wrap: normal;
    word-break: keep-all;
    white-space: normal;
}

.tier-features li::before {
    content: "—";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-text-dim);
}

.btn-outline,
.btn-solid {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-outline {
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

.btn-outline:hover {
    background: var(--color-bg-elevated);
}

.btn-solid {
    background: #fff;
    color: #000;
}

.btn-solid:hover {
    background: #e0e0e0;
}

.section-final-cta {
    padding: var(--spacing-xxl) 0;
    border-top: 1px solid var(--color-border-subtle);
}

.final-cta-card {
    padding: 48px 32px;
    border: 1px solid var(--color-border);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    text-align: center;
}

.final-cta-card .section-desc {
    margin-bottom: 0;
}

.final-cta-actions {
    margin-top: 28px;
}

@media (min-width: 1280px) {
    .pricing-container {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 1180px) {
    .paths-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .impact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .trust-strip {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .impact-grid {
        grid-template-columns: 1fr;
    }
}

/* ── FOOTER ── */
.footer-full {
    margin-top: auto;
    border-top: 1px solid var(--color-border-subtle);
}

.footer-inner {
    max-width: 1360px;
    margin: 0 auto;
    padding: 48px 40px 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.footer-tagline {
    font-size: 13px;
    color: var(--color-text-dim);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(140px, 1fr));
    gap: 24px 32px;
}

.footer-link-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link-group-title {
    font-size: 11px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--color-text-dim);
    margin-bottom: 2px;
}

.footer-links a,
.footer-links button {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
    text-align: left;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: var(--font-sans);
}

.footer-links a:hover,
.footer-links button:hover {
    color: var(--color-text-primary);
}

.footer-divider {
    height: 1px;
    background: var(--color-border-subtle);
    margin-bottom: 24px;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-biz {
    font-size: 13px;
    color: var(--color-text-dim);
    line-height: 1.6;
}

.footer-sep {
    margin: 0 8px;
    opacity: 0.3;
}

.footer-copy {
    color: var(--color-text-dim);
    font-size: 13px;
    margin-top: 12px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .nav-minimal {
        height: auto;
        padding: 16px 20px;
        flex-wrap: wrap;
        gap: 12px;
    }

    .nav-actions {
        width: 100%;
        justify-content: space-between;
        gap: 16px;
    }

    .story-container {
        padding: 0 20px;
        padding-top: 132px;
    }

    .section-hero {
        min-height: auto;
        padding-top: 24px;
        padding-bottom: 72px;
    }

    .hero-title {
        font-size: 42px;
        letter-spacing: -1px;
        word-break: keep-all;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-note {
        font-size: 14px;
    }

    .hero-actions {
        width: 100%;
    }

    .hero-operating-map {
        margin-top: 32px;
        padding: 22px 18px;
    }

    .operating-map-head {
        display: block;
        padding-bottom: 16px;
    }

    .operating-map-head strong {
        display: block;
        margin-top: 10px;
        font-size: 17px;
        text-align: left;
    }

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

    .operating-step {
        padding: 16px 0;
        border-left: 0;
        border-top: 1px solid var(--color-border-subtle);
    }

    .operating-step:first-child {
        border-top: 0;
    }

    .hero-proof-badges {
        gap: 8px;
    }

    .btn-primary-elegant,
    .btn-secondary-elegant {
        width: 100%;
        padding: 0 24px;
    }

    .section-title-serif {
        font-size: 34px;
    }

    .artifact-email-mock {
        padding: 24px 20px 20px;
    }

    .email-row {
        grid-template-columns: 1fr;
        row-gap: 4px;
    }

    .email-label {
        padding-top: 0;
    }

    .email-body {
        font-size: 16px;
        word-break: normal;
        overflow-wrap: anywhere;
    }

    .email-footer-badge {
        position: static;
        display: inline-flex;
        margin-top: 20px;
    }

    .impact-detail {
        font-size: 18px;
        text-align: center;
        max-width: 320px;
    }

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

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

    .path-card {
        padding: 24px 20px;
    }

    .impact-card,
    .trust-strip,
    .final-cta-card {
        padding: 24px 20px;
    }

    .path-card h3 {
        font-size: 20px;
    }

    .price-tier {
        display: flex;
        flex-direction: column;
        padding: 28px 20px;
    }

    .tier-price {
        font-size: 28px !important;
        min-height: 0;
    }

    .tier-desc {
        height: auto;
        min-height: 0;
        margin-bottom: 32px;
        padding-bottom: 32px;
    }

    .tier-features {
        margin: 0 0 40px;
    }

    .footer-inner {
        padding: 32px 24px 24px;
    }

    .footer-top {
        flex-direction: column;
        gap: 20px;
    }

    .footer-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px;
    }

    .footer-biz .footer-sep {
        display: none;
    }

    .footer-biz {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
}

@media (max-width: 640px) {
    .footer-links {
        grid-template-columns: 1fr;
    }
}