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

:root {
    --dark: #111111;
    --text: #252525;
    --muted: #6b6b6b;
    --light: #f6f6f2;
    --border: #e5e5df;
    --accent: #ff5a36;
    --white: #ffffff;
}

body {
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    color: var(--text);
    background: var(--white);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1180px, calc(100% - 48px));
    margin: auto;
}


/* NAVIGATION */

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.96);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo,
.footer-logo {
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span,
.footer-logo span {
    color: var(--accent);
}

nav {
    display: flex;
    gap: 32px;
}

nav a {
    font-size: 14px;
    font-weight: 600;
}

nav a:hover {
    color: var(--accent);
}


/* HERO */

.hero {
    padding: 120px 0 130px;
}

.hero-content {
    max-width: 900px;
}

.hero-label,
.eyebrow {
    display: block;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 20px;
}

.hero h1 {
    max-width: 850px;
    font-size: clamp(58px, 9vw, 105px);
    line-height: 0.95;
    letter-spacing: -6px;
    color: var(--dark);
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    max-width: 650px;
    margin-top: 35px;
    font-size: 21px;
    color: var(--muted);
}

.hero-buttons {
    display: flex;
    gap: 14px;
    margin-top: 42px;
}

.button {
    display: inline-block;
    padding: 15px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 700;
}

.button.primary {
    background: var(--dark);
    color: var(--white);
}

.button.primary:hover {
    background: var(--accent);
}

.button.secondary {
    border: 1px solid var(--border);
}

.button.secondary:hover {
    border-color: var(--dark);
}


/* GENERAL SECTIONS */

.section {
    padding: 100px 0;
}

.section-light {
    background: var(--light);
}

.section-dark {
    background: var(--dark);
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: 50px;
}

.section h2,
.newsletter h2 {
    font-size: clamp(38px, 5vw, 62px);
    line-height: 1;
    letter-spacing: -3px;
    max-width: 750px;
}

.text-link {
    font-weight: 700;
    font-size: 14px;
}

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


/* CATEGORIES */

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.category-card {
    border: 1px solid var(--border);
    padding: 32px;
    min-height: 230px;
    transition: 0.2s;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--dark);
}

.category-icon {
    font-size: 30px;
}

.category-card h3 {
    margin-top: 45px;
    margin-bottom: 10px;
    font-size: 21px;
}

.category-card p {
    color: var(--muted);
    font-size: 14px;
}


/* PRODUCTS */

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

.product-card {
    background: var(--white);
}

.product-placeholder {
    height: 270px;
    display: flex;
    align-items: center;
    justify-content: center;

    background: #deded8;

    font-size: 12px;
    letter-spacing: 3px;
    font-weight: 800;
    color: #888;
}

.product-content {
    padding: 28px;
}

.product-category {
    font-size: 11px;
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
}

.product-content h3 {
    margin: 10px 0;
    font-size: 22px;
    line-height: 1.2;
}

.product-content p {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 25px;
}

.product-content a {
    font-size: 14px;
    font-weight: 700;
}


/* RESEARCH */

.research-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
}

.large-text {
    margin-top: 30px;
    color: var(--muted);
    font-size: 19px;
}

.research-step {
    display: grid;
    grid-template-columns: 50px 1fr;
    padding: 25px 0;
    border-bottom: 1px solid var(--border);
}

.research-step > span {
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
}

.research-step h3 {
    margin-bottom: 5px;
}

.research-step p {
    color: var(--muted);
    font-size: 14px;
}


/* GUIDES */

.light {
    color: var(--accent);
}

.light-heading {
    color: var(--white);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 55px;
    gap: 1px;
    background: #333;
}

.guide-card {
    background: var(--dark);
    color: var(--white);
    padding: 40px;
    min-height: 280px;
}

.guide-card:hover {
    background: #1c1c1c;
}

.guide-card > span {
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
}

.guide-card h3 {
    margin-top: 50px;
    font-size: 24px;
    line-height: 1.2;
}

.guide-card p {
    margin-top: 15px;
    color: #aaa;
}


/* NEWSLETTER */

.newsletter {
    padding: 90px 0;
    background: var(--light);
}

.newsletter-content {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
}

.newsletter p {
    margin-top: 20px;
    color: var(--muted);
}


/* FOOTER */

footer {
    padding: 75px 0 30px;
    background: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
}

.footer-grid p {
    margin-top: 15px;
    max-width: 300px;
    color: var(--muted);
}

.footer-grid h4 {
    margin-bottom: 16px;
}

.footer-grid a {
    display: block;
    color: var(--muted);
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-grid a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    margin-top: 65px;
    padding-top: 25px;

    display: flex;
    justify-content: space-between;

    color: var(--muted);
    font-size: 12px;
}

/* INNER PAGES */

.narrow-container {
    max-width: 950px;
}

.page-hero {
    padding: 110px 0 90px;
    border-bottom: 1px solid var(--border);
}

.page-hero h1,
.legal-hero h1 {
    font-size: clamp(52px, 8vw, 90px);
    line-height: 0.98;
    letter-spacing: -5px;
}

.page-hero h1 span {
    color: var(--accent);
}

.page-hero > .container > p {
    max-width: 700px;
    margin-top: 30px;
    color: var(--muted);
    font-size: 20px;
}

.content-section {
    padding: 90px 0;
}

.article-container {
    max-width: 850px;
}

.article-container > h2 {
    margin-top: 65px;
    margin-bottom: 20px;
    font-size: 35px;
    letter-spacing: -1.5px;
}

.article-container > h2:first-child {
    margin-top: 0;
}

.article-container > p {
    margin-bottom: 20px;
    color: #555;
    font-size: 17px;
    line-height: 1.8;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 35px 0 60px;
}

.info-card {
    padding: 30px;
    border: 1px solid var(--border);
}

.info-card > span {
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
}

.info-card h3 {
    margin: 25px 0 8px;
}

.info-card p {
    color: var(--muted);
    font-size: 14px;
}

.content-callout {
    margin-top: 70px;
    padding: 45px;
    background: var(--light);
}

.content-callout h3 {
    margin-bottom: 15px;
    font-size: 28px;
}

.content-callout p {
    margin-bottom: 25px;
    color: var(--muted);
}


/* LEGAL PAGES */

.legal-hero {
    padding: 100px 0 60px;
}

.legal-updated {
    margin-top: 20px;
    color: var(--muted);
}

.legal-content {
    padding: 30px 0 100px;
}

.disclosure-highlight {
    margin-bottom: 60px;
    padding: 30px;
    border-left: 4px solid var(--accent);
    background: var(--light);
    font-size: 17px;
    line-height: 1.7;
}

.inline-link {
    color: var(--accent);
    text-decoration: underline;
}


/* INNER PAGE MOBILE */

@media (max-width: 850px) {

    .page-hero,
    .legal-hero {
        padding: 70px 0 55px;
    }

    .page-hero h1,
    .legal-hero h1 {
        letter-spacing: -3px;
    }

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

    .content-callout {
        padding: 30px;
    }

}

/* MOBILE */

@media (max-width: 850px) {

    nav {
        display: none;
    }

    .hero {
        padding: 80px 0;
    }

    .hero h1 {
        letter-spacing: -3px;
    }

    .category-grid,
    .product-grid,
    .guide-grid {
        grid-template-columns: 1fr;
    }

    .research-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .newsletter-content {
        display: block;
    }

    .newsletter .button {
        margin-top: 30px;
    }

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

    .footer-bottom {
        display: block;
    }

    .footer-bottom p {
        margin-bottom: 8px;
    }

    .section-heading {
        display: block;
    }

    .section-heading .text-link {
        display: inline-block;
        margin-top: 20px;
    }

}
/* PRODUCT CATALOG */

.catalog-section {
    padding: 90px 0 110px;
}

.catalog-intro {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 70px;
    align-items: end;
    margin-bottom: 45px;
}

.catalog-intro h2 {
    font-size: clamp(38px, 5vw, 62px);
    letter-spacing: -3px;
    line-height: 1;
}

.catalog-intro > p {
    color: var(--muted);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter {
    padding: 9px 15px;
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
}

.filter.active {
    background: var(--dark);
    border-color: var(--dark);
    color: var(--white);
}

.research-status {
    margin-top: 20px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.research-notice {
    padding: 80px 0;
    background: var(--light);
}

.research-notice-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: end;
}

.research-notice h2 {
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1;
    letter-spacing: -3px;
}

.research-notice p {
    color: var(--muted);
    font-size: 17px;
}


/* GUIDE DIRECTORY */

.guides-list-section {
    padding: 90px 0 110px;
}

.featured-guide {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 40px;
    padding: 50px;
    background: var(--dark);
    color: var(--white);
}

.featured-guide-number {
    color: var(--accent);
    font-size: 14px;
    font-weight: 800;
}

.featured-guide h2 {
    max-width: 750px;
    margin: 12px 0 20px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.05;
    letter-spacing: -2px;
}

.featured-guide p {
    max-width: 700px;
    color: #aaa;
}

.coming-soon {
    display: inline-block;
    margin-top: 28px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guides-list {
    margin-top: 30px;
}

.guide-list-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 40px;
    padding: 45px 0;
    border-bottom: 1px solid var(--border);
}

.guide-number {
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
}

.guide-list-item h3 {
    max-width: 700px;
    margin: 10px 0;
    font-size: 30px;
    line-height: 1.15;
}

.guide-list-item p {
    max-width: 650px;
    color: var(--muted);
}


/* CONTACT */

.contact-section {
    padding: 90px 0 110px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
}

.contact-layout h2 {
    margin-bottom: 20px;
    font-size: 42px;
    letter-spacing: -2px;
}

.contact-layout > div > p {
    color: var(--muted);
}

.contact-detail {
    margin-top: 40px;
    padding: 25px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.contact-detail span {
    display: block;
    margin-bottom: 5px;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

.contact-topics > div {
    padding: 30px 0;
    border-bottom: 1px solid var(--border);
}

.contact-topics > div:first-child {
    padding-top: 0;
}

.contact-topics span {
    color: var(--accent);
    font-size: 11px;
    font-weight: 800;
}

.contact-topics h3 {
    margin: 10px 0;
}

.contact-topics p {
    color: var(--muted);
    font-size: 14px;
}


/* RESPONSIVE INNER PAGES */

@media (max-width: 850px) {

    .catalog-intro,
    .research-notice-inner,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .featured-guide,
    .guide-list-item {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .featured-guide {
        padding: 30px;
    }

}
/* EDITORIAL ARTICLES */

.article-hero {
    padding: 90px 0 65px;
    border-bottom: 1px solid var(--border);
}

.article-back {
    display: inline-block;
    margin-bottom: 55px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
}

.article-back:hover {
    color: var(--accent);
}

.article-hero h1 {
    max-width: 850px;
    font-size: clamp(48px, 7vw, 78px);
    line-height: 1;
    letter-spacing: -4px;
}

.article-intro {
    max-width: 750px;
    margin-top: 30px;
    color: var(--muted);
    font-size: 20px;
    line-height: 1.7;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 40px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
}

.article-body {
    padding: 70px 0 110px;
}

.article-body h2 {
    margin: 65px 0 20px;
    font-size: 36px;
    line-height: 1.15;
    letter-spacing: -1.5px;
}

.article-body h3 {
    margin: 35px 0 15px;
    font-size: 24px;
}

.article-body p {
    margin-bottom: 22px;
    color: #4f4f4f;
    font-size: 17px;
    line-height: 1.85;
}

.article-body ul {
    margin: 25px 0 35px 25px;
}

.article-body li {
    margin-bottom: 12px;
    color: #4f4f4f;
    font-size: 16px;
}

.article-note {
    margin-bottom: 55px;
    padding: 25px 30px;
    border-left: 4px solid var(--accent);
    background: var(--light);
    line-height: 1.7;
}

.article-callout {
    margin: 55px 0;
    padding: 40px;
    background: var(--dark);
    color: var(--white);
}

.article-callout h3 {
    margin-top: 0;
    font-size: 29px;
}

.article-callout p {
    margin-bottom: 0;
    color: #bbb;
}

.checklist {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 35px 0;
}

.checklist div {
    padding: 18px 20px;
    background: var(--light);
    font-size: 14px;
    font-weight: 600;
}

.article-disclosure {
    margin-top: 80px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

.article-disclosure a {
    color: var(--accent);
    text-decoration: underline;
}

@media (max-width: 850px) {

    .article-hero {
        padding: 65px 0 50px;
    }

    .article-back {
        margin-bottom: 35px;
    }

    .article-hero h1 {
        letter-spacing: -2.5px;
    }

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

    .article-callout {
        padding: 30px;
    }
}