:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --on-primary: #ffffff;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-error: #cf2d56;
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-pill: 9999px;
    --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --section: 80px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--canvas);
    color: var(--body);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }

img { max-width: 100%; height: auto; display: block; }

ul { list-style: none; }

.rz-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.rz-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 64px;
    display: flex;
    align-items: center;
}

.rz-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.rz-nav__logo { display: flex; align-items: center; gap: 8px; }

.rz-nav__logo-text {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--ink);
}

.rz-nav__links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.rz-nav__links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    transition: color 0.15s;
}

.rz-nav__links a:hover { color: var(--primary); }

.rz-nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.rz-nav__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: 0.2s;
}

.rz-hero {
    padding: var(--section) 0;
    border-bottom: 1px solid var(--hairline-soft);
}

.rz-hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.rz-hero__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 20px;
}

.rz-hero__title {
    font-size: 52px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--ink);
    margin-bottom: 20px;
}

.rz-hero__desc {
    font-size: 16px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: 32px;
    max-width: 480px;
}

.rz-hero__img {
    border-radius: var(--radius-lg);
    border: 1px solid var(--hairline);
    overflow: hidden;
    background: var(--surface-card);
}

.rz-hero__img img {
    width: 100%;
    height: 360px;
    object-fit: cover;
}

.rz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
}

.rz-btn--primary {
    background: var(--primary);
    color: var(--on-primary);
    padding: 10px 18px;
    height: 40px;
}

.rz-btn--primary:hover, .rz-btn--primary:focus {
    background: var(--primary-active);
    color: var(--on-primary);
}

.rz-btn--secondary {
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    padding: 10px 18px;
    height: 40px;
}

.rz-btn--secondary:hover {
    background: var(--surface-strong);
    color: var(--ink);
}

.rz-section {
    padding: var(--section) 0;
}

.rz-section--alt {
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
    border-bottom: 1px solid var(--hairline-soft);
}

.rz-section__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 12px;
}

.rz-section__title {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}

.rz-section__desc {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
    margin-bottom: 40px;
}

.rz-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.rz-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.rz-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: border-color 0.15s;
}

.rz-card:hover { border-color: var(--hairline-strong); }

.rz-card__img {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--surface-strong);
}

.rz-card__img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.rz-card__badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--surface-strong);
    border-radius: var(--radius-pill);
    padding: 4px 10px;
    margin-bottom: 12px;
}

.rz-card__title {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 10px;
}

.rz-card__title a { color: inherit; }
.rz-card__title a:hover { color: var(--primary); }

.rz-card__text {
    font-size: 14px;
    line-height: 1.5;
    color: var(--body);
    margin-bottom: 16px;
}

.rz-card__meta {
    font-size: 13px;
    color: var(--muted);
}

.rz-article {
    padding: var(--section) 0;
}

.rz-article__inner {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
    align-items: start;
}

.rz-article__body h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1px;
    line-height: 1.15;
    color: var(--ink);
    margin-bottom: 16px;
}

.rz-article__body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 40px 0 16px;
}

.rz-article__body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 12px;
}

.rz-article__body p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--body);
    margin-bottom: 20px;
}

.rz-article__body ul, .rz-article__body ol {
    margin: 0 0 20px 20px;
    color: var(--body);
}

.rz-article__body li { margin-bottom: 8px; line-height: 1.6; }
.rz-article__body ul li { list-style: disc; }
.rz-article__body ol li { list-style: decimal; }

.rz-article__body figure {
    margin: 32px 0;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.rz-article__body figure img {
    width: 100%;
    height: auto;
    max-height: 480px;
    object-fit: cover;
}

.rz-article__body figcaption {
    font-size: 13px;
    color: var(--muted);
    padding: 12px 16px;
    border-top: 1px solid var(--hairline-soft);
}

.rz-article__body a {
    color: var(--primary);
    border-bottom: 1px solid transparent;
}

.rz-article__body a:hover { border-bottom-color: var(--primary); }

.rz-article__meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 32px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--hairline-soft);
}

.rz-article__hero-img {
    border-radius: var(--radius-lg);
    border: 1px solid var(--hairline);
    overflow: hidden;
    margin-bottom: 32px;
}

.rz-article__hero-img img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

.rz-sidebar {
    position: sticky;
    top: 84px;
}

.rz-sidebar__box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
}

.rz-sidebar__title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

.rz-sidebar__links li { margin-bottom: 10px; }

.rz-sidebar__links a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

.rz-sidebar__links a:hover { color: var(--primary); }

.rz-breadcrumb {
    padding: 16px 0;
    border-bottom: 1px solid var(--hairline-soft);
    margin-bottom: 40px;
}

.rz-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    font-size: 13px;
    color: var(--muted);
    list-style: none;
}

.rz-breadcrumb ol li::after { content: '/'; margin-left: 6px; }
.rz-breadcrumb ol li:last-child::after { content: ''; }
.rz-breadcrumb ol li a { color: var(--body); }
.rz-breadcrumb ol li a:hover { color: var(--primary); }

.rz-form-section {
    padding: var(--section) 0;
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline-soft);
}

.rz-form {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 640px;
}

.rz-form__row { margin-bottom: 20px; }

.rz-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}

.rz-form input,
.rz-form textarea {
    width: 100%;
    background: var(--surface-card);
    color: var(--ink);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    height: 44px;
    font-size: 16px;
    font-family: var(--font-sans);
    transition: border-color 0.15s;
    outline: none;
}

.rz-form textarea {
    height: auto;
    min-height: 120px;
    resize: vertical;
}

.rz-form input:focus,
.rz-form textarea:focus {
    border-color: var(--ink);
}

.rz-form input.error,
.rz-form textarea.error {
    border-color: var(--semantic-error);
}

.rz-form__msg {
    font-size: 13px;
    margin-top: 8px;
}

.rz-form__msg--error { color: var(--semantic-error); }
.rz-form__msg--success { color: var(--semantic-success); }

#rz-form-status {
    display: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--semantic-success);
    background: #f0faf7;
    border: 1px solid #c2e5d8;
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-top: 16px;
}

.rz-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 48px;
}

.rz-footer__inner {}

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

.rz-footer__brand {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--ink);
    display: block;
    margin-bottom: 12px;
}

.rz-footer__tagline {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    max-width: 280px;
}

.rz-footer__col-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    display: block;
    margin-bottom: 16px;
}

.rz-footer__col ul li { margin-bottom: 10px; }

.rz-footer__col ul li a {
    font-size: 14px;
    color: var(--body);
}

.rz-footer__col ul li a:hover { color: var(--primary); }
.rz-footer__col ul li span { font-size: 14px; color: var(--body); }

.rz-footer__bottom {
    padding-top: 24px;
    border-top: 1px solid var(--hairline-soft);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
}

.rz-cookie {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 640px;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(38,37,30,0.10);
    z-index: 999;
    padding: 20px 24px;
}

.rz-cookie__inner {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.rz-cookie__inner p {
    font-size: 14px;
    color: var(--body);
    flex: 1;
    min-width: 200px;
}

.rz-cookie__inner p a { color: var(--primary); }

.rz-cookie__actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.rz-disclaimer {
    font-size: 13px;
    color: var(--muted);
    background: var(--canvas-soft);
    border: 1px solid var(--hairline-soft);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin-top: 24px;
    line-height: 1.5;
}

.rz-info-box {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin: 24px 0;
}

.rz-info-box p {
    font-size: 14px;
    color: var(--body);
    margin-bottom: 0 !important;
}

.rz-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: 24px 0;
}

.rz-table th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    padding: 10px 14px;
    border-bottom: 2px solid var(--hairline);
    background: var(--canvas-soft);
}

.rz-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--hairline-soft);
    color: var(--body);
    vertical-align: top;
}

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

.rz-page-header {
    padding: 48px 0 40px;
    border-bottom: 1px solid var(--hairline-soft);
    margin-bottom: 40px;
}

.rz-page-header h1 {
    font-size: 42px;
    font-weight: 400;
    letter-spacing: -1px;
    color: var(--ink);
    margin-bottom: 12px;
}

.rz-page-header p {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
}

.rz-prose h2 {
    font-size: 22px;
    font-weight: 400;
    letter-spacing: -0.11px;
    color: var(--ink);
    margin: 36px 0 14px;
}

.rz-prose h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin: 24px 0 10px;
}

.rz-prose p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--body);
    margin-bottom: 18px;
}

.rz-prose ul {
    margin: 0 0 18px 20px;
    color: var(--body);
}

.rz-prose ul li { list-style: disc; margin-bottom: 8px; font-size: 16px; line-height: 1.6; }

.rz-prose a { color: var(--primary); }
.rz-prose a:hover { text-decoration: underline; }

@media (max-width: 1024px) {
    .rz-footer__cols { grid-template-columns: 1fr 1fr; }
    .rz-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .rz-article__inner { grid-template-columns: 1fr; }
    .rz-sidebar { position: static; }
    .rz-hero__inner { grid-template-columns: 1fr; }
    .rz-hero__title { font-size: 40px; }
}

@media (max-width: 768px) {
    .rz-nav__links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--canvas);
        border-bottom: 1px solid var(--hairline);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
        align-items: flex-start;
    }
    .rz-nav__links.open { display: flex; }
    .rz-nav__hamburger { display: flex; }
    .rz-grid-3, .rz-grid-2 { grid-template-columns: 1fr; }
    .rz-footer__cols { grid-template-columns: 1fr 1fr; }
    .rz-hero__title { font-size: 32px; letter-spacing: -0.5px; }
    .rz-section__title { font-size: 28px; }
    .rz-article__body h1 { font-size: 32px; }
    .rz-article__body h2 { font-size: 22px; }
    .rz-page-header h1 { font-size: 32px; }
    .rz-form { padding: 20px; }
}

@media (max-width: 480px) {
    .rz-footer__cols { grid-template-columns: 1fr; }
    .rz-footer__bottom { flex-direction: column; align-items: flex-start; }
    .rz-cookie { bottom: 12px; left: 12px; right: 12px; }
}