:root {
    --rn-blue: #2a6bdb;
    --rn-blue-dark: #123876;
    --rn-navy: #101e36;
    --rn-bg: #f2f2f7;
    --rn-bg-alt: #ffffff;
    --rn-card: #ffffff;
    --rn-text: #1c1c1e;
    --rn-text-secondary: #6e6e73;
    --rn-border: rgba(60, 60, 67, 0.15);
    --rn-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    --rn-radius: 18px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --rn-navy: #d0ddef;
        --rn-bg: #0b0b0d;
        --rn-bg-alt: #161618;
        --rn-card: #1c1c1e;
        --rn-text: #f2f2f7;
        --rn-text-secondary: #9a9aa0;
        --rn-border: rgba(255, 255, 255, 0.1);
        --rn-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    }
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--rn-bg);
    color: var(--rn-text);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

a,
a:link,
a:visited {
    color: inherit;
}

img, svg {
    max-width: 100%;
    display: block;
}

.rn-skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--rn-blue);
    color: #fff;
    padding: 12px 20px;
    border-radius: 0 0 10px 0;
    z-index: 100;
}

.rn-skip-link:focus {
    left: 0;
}

/* Nav */

.rn-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--rn-bg) 85%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--rn-border);
}

.rn-nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rn-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.rn-word-rep {
    color: var(--rn-navy);
}

.rn-word-naut {
    color: var(--rn-blue);
}

.rn-brand-icon {
    width: 22px;
    height: 22px;
    color: var(--rn-blue);
    flex-shrink: 0;
}

.rn-nav-links {
    display: flex;
    gap: 28px;
}

.rn-nav-links a,
.rn-nav-links a:link,
.rn-nav-links a:visited {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--rn-text);
}

.rn-nav-links a:hover {
    color: var(--rn-blue);
}

.rn-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.rn-nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--rn-text);
    border-radius: 2px;
}

/* Buttons */

.rn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 24px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.98rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    border: 1px solid transparent;
}

.rn-btn:active {
    transform: scale(0.97);
}

.rn-btn-primary,
.rn-btn-primary:link,
.rn-btn-primary:visited {
    background: linear-gradient(135deg, var(--rn-blue), var(--rn-blue-dark));
    color: #fff;
    box-shadow: 0 10px 25px rgba(18, 56, 118, 0.35);
}

.rn-btn-secondary,
.rn-btn-secondary:link,
.rn-btn-secondary:visited {
    background: transparent;
    color: var(--rn-text);
    border-color: var(--rn-border);
}

/* Hero */

.rn-hero {
    padding: 64px 24px 40px;
}

.rn-hero-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.rn-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--rn-blue);
    margin: 0 0 12px;
}

.rn-hero h1 {
    font-size: clamp(2.1rem, 4.2vw, 3.1rem);
    line-height: 1.12;
    margin: 0 0 18px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.rn-hero-sub {
    font-size: 1.1rem;
    color: var(--rn-text-secondary);
    margin: 0 0 28px;
    max-width: 46ch;
}

.rn-hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 16px;
}

.rn-hero-note {
    font-size: 0.88rem;
    color: var(--rn-text-secondary);
    margin: 0;
}

.rn-hero-visual {
    display: flex;
    justify-content: center;
}

/* Phone mockup */

.rn-phone {
    width: 280px;
    background: #000;
    border-radius: 46px;
    padding: 12px;
    box-shadow: var(--rn-shadow);
    position: relative;
}

.rn-phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 90px;
    height: 22px;
    background: #000;
    border-radius: 14px;
    z-index: 2;
}

.rn-phone-screen {
    background: #f2f2f7;
    border-radius: 34px;
    overflow: hidden;
    line-height: 0;
}

.rn-phone-screen img {
    display: block;
    width: 100%;
    height: auto;
}

/* Sections */

.rn-section {
    padding: 72px 24px;
}

.rn-section-alt {
    background: var(--rn-bg-alt);
    border-top: 1px solid var(--rn-border);
    border-bottom: 1px solid var(--rn-border);
}

.rn-section-inner {
    max-width: 1120px;
    margin: 0 auto;
}

.rn-section h2 {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    margin: 0 0 10px;
    text-align: center;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.rn-section-sub {
    text-align: center;
    color: var(--rn-text-secondary);
    max-width: 56ch;
    margin: 0 auto 48px;
    font-size: 1.05rem;
}

/* Features */

.rn-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.rn-feature {
    background: var(--rn-card);
    border: 1px solid var(--rn-border);
    border-radius: var(--rn-radius);
    padding: 26px;
}

.rn-feature-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.rn-feature h3 {
    margin: 0 0 8px;
    font-size: 1.05rem;
}

.rn-feature p {
    margin: 0;
    color: var(--rn-text-secondary);
    font-size: 0.95rem;
}

/* Privacy section */

.rn-privacy {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.rn-privacy-copy h2 {
    text-align: left;
    margin-bottom: 16px;
}

.rn-privacy-copy p {
    color: var(--rn-text-secondary);
    font-size: 1.02rem;
}

.rn-link-arrow,
.rn-link-arrow:link,
.rn-link-arrow:visited {
    display: inline-block;
    margin-top: 8px;
    font-weight: 700;
    color: var(--rn-blue-dark);
    text-decoration: none;
}

.rn-privacy-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.rn-badge {
    background: var(--rn-card);
    border: 1px solid var(--rn-border);
    border-radius: 14px;
    padding: 18px 14px;
    font-weight: 700;
    font-size: 0.92rem;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rn-badge span {
    font-size: 1.4rem;
}

/* CTA */

.rn-cta {
    padding: 80px 24px;
    text-align: center;
    background: linear-gradient(135deg, var(--rn-blue), var(--rn-blue-dark));
    color: #fff;
}

.rn-cta-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 20px;
    border-radius: 22%;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.rn-cta h2 {
    margin: 0 0 8px;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
}

.rn-cta p {
    margin: 0 0 28px;
    opacity: 0.92;
}

.rn-mas-badge {
    display: inline-flex;
    border-radius: 10px;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.rn-mas-badge:active {
    transform: scale(0.97);
}

.rn-mas-badge img {
    display: block;
    height: 48px;
    width: auto;
}

/* Legal / content pages */

.rn-legal-inner {
    max-width: 760px;
}

.rn-legal h1 {
    font-size: clamp(1.8rem, 3.4vw, 2.4rem);
    margin: 0 0 8px;
}

.rn-legal-updated {
    color: var(--rn-text-secondary);
    font-size: 0.9rem;
    margin: 0 0 32px;
}

.rn-legal h2 {
    text-align: left;
    font-size: 1.25rem;
    margin: 36px 0 12px;
}

.rn-legal p, .rn-legal li {
    color: var(--rn-text-secondary);
    font-size: 1rem;
}

.rn-legal ul {
    padding-left: 20px;
}

.rn-legal a {
    color: var(--rn-blue-dark);
    font-weight: 600;
}

.rn-error {
    text-align: center;
    padding: 40px 0;
}

/* Support page */

.rn-support-contact {
    margin: 24px 0 8px;
}

.rn-faq {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rn-faq details {
    background: var(--rn-card);
    border: 1px solid var(--rn-border);
    border-radius: 14px;
    padding: 16px 18px;
}

.rn-faq summary {
    font-weight: 700;
    cursor: pointer;
    list-style: none;
}

.rn-faq summary::-webkit-details-marker {
    display: none;
}

.rn-faq summary::after {
    content: "+";
    float: right;
    font-weight: 700;
    color: var(--rn-blue-dark);
}

.rn-faq details[open] summary::after {
    content: "\2212";
}

.rn-faq p {
    margin: 10px 0 0;
}

/* Footer */

.rn-footer {
    border-top: 1px solid var(--rn-border);
    padding: 40px 24px;
}

.rn-footer-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.rn-footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.rn-footer-links {
    display: flex;
    gap: 20px;
}

.rn-footer-links a,
.rn-footer-links a:link,
.rn-footer-links a:visited {
    text-decoration: none;
    color: var(--rn-text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

.rn-footer-copy {
    width: 100%;
    margin: 0;
    color: var(--rn-text-secondary);
    font-size: 0.82rem;
}

/* Mobile */

@media (max-width: 860px) {
    .rn-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .rn-hero-sub {
        margin-left: auto;
        margin-right: auto;
    }

    .rn-hero-ctas {
        justify-content: center;
    }

    .rn-hero-visual {
        order: -1;
    }

    .rn-privacy {
        grid-template-columns: 1fr;
    }

    .rn-privacy-copy h2 {
        text-align: center;
    }

    .rn-privacy-copy {
        text-align: center;
    }

    .rn-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 620px) {
    .rn-nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--rn-bg);
        border-bottom: 1px solid var(--rn-border);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
        display: none;
    }

    .rn-nav-links.rn-open {
        display: flex;
    }

    .rn-nav-toggle {
        display: flex;
    }

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

    .rn-privacy-badges {
        grid-template-columns: 1fr 1fr;
    }

    .rn-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}