:root {
    --navy: #071525;
    --navy-2: #0b1f35;
    --blue: #1476ff;
    --blue-light: #eaf3ff;
    --text: #172230;
    --muted: #6b7785;
    --border: #e5e9ee;
    --white: #ffffff;
    --soft: #f6f8fa;
    --shadow: 0 20px 60px rgba(7, 21, 37, .10);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    color: var(--text);
    background: #fff;
    line-height: 1.8;
}

img {
    width: 100%;
    display: block;
}

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

button {
    font-family: inherit;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: auto;
}


/* =========================
   TOPBAR
========================= */

.topbar {
    background: #06111e;
    color: #b7c3d0;
    font-size: 12px;
}

.topbar-inner {
    min-height: 38px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-links {
    display: flex;
    gap: 12px;
}


/* =========================
   HEADER
========================= */

.site-header {
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid #edf0f3;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(15px);
}

.header-inner {
    height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: var(--navy);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 22px;
    font-weight: 800;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text strong {
    font-family: "Manrope", sans-serif;
    font-size: 16px;
    letter-spacing: .5px;
}

.brand-text span {
    color: #84909d;
    font-size: 10px;
    margin-top: 3px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
}

.main-nav a {
    font-size: 14px;
    color: #596573;
    font-weight: 500;
    transition: .25s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--blue);
}

.header-button {
    background: var(--navy);
    color: white;
    padding: 12px 20px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 600;
}

.menu-toggle {
    display: none;
    border: 0;
    background: none;
    font-size: 25px;
}


/* =========================
   BREADCRUMB
========================= */

.breadcrumb-area {
    background: #f8fafc;
    border-bottom: 1px solid #edf0f3;
}

.breadcrumb {
    min-height: 54px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: #8994a0;
}

.breadcrumb strong {
    color: #303c49;
}


/* =========================
   HERO
========================= */

.article-hero {
    background: var(--navy);
}

.hero-image {
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

.hero-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(
            90deg,
            rgba(4,14,27,.96) 0%,
            rgba(4,14,27,.80) 45%,
            rgba(4,14,27,.30) 100%
        );
}

.hero-content {
    position: relative;
    z-index: 2;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 60px;
    padding-bottom: 60px;
}

.category-label {
    color: #69a8ff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 22px;
}

.hero-content h1 {
    max-width: 850px;
    color: #fff;
    font-family: "Manrope", sans-serif;
    font-size: clamp(38px, 5vw, 65px);
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero-description {
    max-width: 680px;
    color: #c5d0db;
    font-size: 17px;
    margin-top: 25px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-top: 35px;
}

.author {
    display: flex;
    align-items: center;
    gap: 11px;
}

.author-avatar {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    max-width: 32px !important;
    max-height: 32px !important;

    border-radius: 50%;
    overflow: hidden;

    background: #0b1f35;

    display: flex;
    align-items: center;
    justify-content: center;

    flex-shrink: 0;
    position: relative;
}

.author-avatar img {
    width: 100% !important;
    height: 100% !important;

    min-width: 0 !important;
    min-height: 0 !important;
    max-width: 100% !important;
    max-height: 100% !important;

    object-fit: contain !important;
    object-position: center !important;

    display: block !important;

    position: relative !important;
    inset: auto !important;

    margin: 0 !important;
    padding: 4px !important;
}

.author strong,
.author span {
    display: block;
}

.author strong {
    color: white;
    font-size: 13px;
}

.author span {
    color: #91a0ae;
    font-size: 11px;
}

.meta-divider {
    height: 30px;
    width: 1px;
    background: rgba(255,255,255,.18);
}

.meta-item span,
.meta-item strong {
    display: block;
}

.meta-item span {
    color: #82909e;
    font-size: 10px;
}

.meta-item strong {
    color: #fff;
    font-size: 12px;
}


/* =========================
   ARTICLE LAYOUT
========================= */

.article-section {
    padding: 85px 0 110px;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 780px) 310px;
    gap: 75px;
    align-items: start;
}

.article-content {
    min-width: 0;
}

.article-content section {
    scroll-margin-top: 110px;
    margin-top: 70px;
}

.article-intro {
    font-size: 21px;
    line-height: 1.75;
    color: #303c49;
    font-weight: 500;
    padding-left: 24px;
    border-left: 4px solid var(--blue);
    margin-bottom: 45px;
}

.section-number {
    display: block;
    color: var(--blue);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 13px;
}

.article-content h2 {
    font-family: "Manrope", sans-serif;
    color: #101d2d;
    font-size: 34px;
    line-height: 1.25;
    letter-spacing: -.7px;
    margin-bottom: 22px;
}

.article-content p {
    font-size: 16px;
    color: #586575;
    margin-bottom: 21px;
}

.article-content strong {
    color: #172535;
}


/* =========================
   TOC
========================= */

.toc-box {
    background: #f7f9fb;
    border: 1px solid #e7ebef;
    border-radius: 15px;
    padding: 24px;
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toc-header strong {
    display: block;
    font-family: "Manrope", sans-serif;
    font-size: 20px;
}

.toc-small {
    display: block;
    color: #7f8b98;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin-bottom: 2px;
}

.toc-header button {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid #dfe5ea;
    background: #fff;
    cursor: pointer;
}

#tocContent {
    margin-top: 20px;
}

#tocContent a {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 10px 0;
    color: #536171;
    font-size: 14px;
    border-top: 1px solid #e5e9ed;
}

#tocContent a:hover {
    color: var(--blue);
}

#tocContent span {
    font-size: 11px;
    color: #9aa5b0;
    font-weight: 700;
}


/* =========================
   QUOTE
========================= */

.quote-box {
    margin-top: 55px;
    padding: 30px;
    border-radius: 16px;
    background: #edf5ff;
    border: 1px solid #dcecff;
    display: flex;
    gap: 20px;
}

.quote-icon {
    color: var(--blue);
    font-family: Georgia, serif;
    font-size: 60px;
    line-height: .8;
}

.quote-box strong {
    display: block;
    font-family: "Manrope", sans-serif;
    font-size: 19px;
    line-height: 1.5;
    margin-bottom: 10px;
}

.quote-box p {
    margin: 0;
    font-size: 14px;
}


/* =========================
   INFO GRID
========================= */

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 35px;
}

.info-card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 14px;
    transition: .25s;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

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

.info-card strong {
    display: block;
    font-family: "Manrope", sans-serif;
    font-size: 17px;
    margin: 12px 0 6px;
}

.info-card p {
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
}


/* =========================
   REGULATION
========================= */

.regulation-card {
    margin-top: 30px;
    padding: 28px;
    border-radius: 15px;
    background: #071525;
    color: white;
    display: flex;
    gap: 20px;
    align-items: center;
}

.regulation-icon {
    min-width: 58px;
    height: 58px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    background: #1678ff;
    font-weight: 800;
}

.regulation-card span {
    font-size: 9px;
    letter-spacing: 2px;
    color: #75adff;
    font-weight: 800;
}

.regulation-card h3 {
    font-family: "Manrope", sans-serif;
    margin: 5px 0;
    font-size: 19px;
}

.regulation-card p {
    margin: 0;
    color: #aebdcb;
    font-size: 13px;
}


/* =========================
   COMPARISON
========================= */

.comparison-table {
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    margin-top: 35px;
}

.table-header,
.table-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
}

.table-header {
    background: #071525;
    color: white;
    font-weight: 700;
    font-size: 13px;
}

.table-header div,
.table-row div {
    padding: 17px 18px;
}

.table-row {
    border-top: 1px solid var(--border);
}

.table-row div {
    font-size: 13px;
    color: #657181;
}

.table-row div:first-child {
    color: #1d2a39;
    font-weight: 700;
}


/* =========================
   NUMBERED LIST
========================= */

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

.numbered-item {
    display: flex;
    gap: 20px;
    padding: 23px 0;
    border-bottom: 1px solid var(--border);
}

.numbered-item > span {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    border-radius: 9px;
    background: var(--blue-light);
    color: var(--blue);
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 11px;
}

.numbered-item strong {
    font-family: "Manrope", sans-serif;
}

.numbered-item p {
    font-size: 14px;
    margin: 3px 0 0;
}


/* =========================
   ARTICLE IMAGE
========================= */

.article-image {
    margin-top: 60px;
}

.article-image img {
    height: 430px;
    object-fit: cover;
    border-radius: 18px;
}

.image-caption {
    text-align: center;
    color: #8b96a1;
    font-size: 11px;
    margin-top: 10px;
}


/* =========================
   BENEFIT
========================= */

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

.benefit-list > div {
    display: grid;
    grid-template-columns: 45px 1fr;
    gap: 4px 15px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

.benefit-list span {
    grid-row: span 2;
    color: var(--blue);
    font-weight: 800;
}

.benefit-list strong {
    font-family: "Manrope", sans-serif;
}

.benefit-list p {
    margin: 0;
    font-size: 14px;
}


/* =========================
   FAQ
========================= */

.faq {
    border-top: 1px solid var(--border);
    margin-top: 30px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    padding: 21px 0;
    border: 0;
    background: none;
    display: flex;
    justify-content: space-between;
    text-align: left;
    font-size: 15px;
    font-weight: 700;
    color: #172535;
    cursor: pointer;
}

.faq-question span {
    font-size: 22px;
    color: var(--blue);
}

.faq-answer {
    display: none;
    padding: 0 0 20px;
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: 14px;
    margin: 0;
}


/* =========================
   CTA
========================= */

.article-cta {
    margin-top: 75px;
    border-radius: 22px;
    overflow: hidden;
    background:
        linear-gradient(
            135deg,
            #071525,
            #0b2c4d
        );
    padding: 55px;
    position: relative;
}

.article-cta::after {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    right: -120px;
    top: -100px;
    background: rgba(25,123,255,.15);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content > span {
    color: #62a6ff;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
}

.cta-content h2 {
    color: white;
    font-size: 34px;
    max-width: 560px;
    margin-top: 10px;
}

.cta-content p {
    color: #aebdcb;
    max-width: 580px;
    font-size: 14px;
}

.cta-buttons {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

.cta-primary,
.cta-secondary {
    padding: 13px 20px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 700;
}

.cta-primary {
    background: #1678ff;
    color: white;
}

.cta-secondary {
    border: 1px solid rgba(255,255,255,.25);
    color: white;
}


/* =========================
   SIDEBAR
========================= */

.sticky-sidebar {
    position: sticky;
    top: 110px;
}

.sidebar-card {
    padding: 28px;
    border-radius: 17px;
    background: #f6f8fa;
    border: 1px solid #e7ebef;
    margin-bottom: 18px;
}

.sidebar-label {
    color: var(--blue);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

.sidebar-card h3 {
    font-family: "Manrope", sans-serif;
    font-size: 21px;
    line-height: 1.35;
    margin: 10px 0 13px;
}

.sidebar-card p {
    font-size: 13px;
    line-height: 1.7;
    color: #717d8a;
}

.sidebar-card a {
    color: var(--blue);
    font-size: 12px;
    font-weight: 700;
}

.sidebar-card.dark {
    background: #071525;
    color: white;
    border: 0;
}

.sidebar-card.dark h3 {
    color: white;
}

.sidebar-card.dark p {
    color: #9eacba;
}

.share-card {
    padding: 20px 0;
}

.share-card > span {
    font-size: 11px;
    color: #7e8995;
    font-weight: 700;
}

.share-buttons {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.share-buttons button {
    border: 1px solid var(--border);
    background: white;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    color: #52606e;
}

.share-buttons button:hover {
    color: var(--blue);
    border-color: #a9ccf8;
}


/* =========================
   FOOTER
========================= */

.footer {
    background: #06111e;
    color: #aeb9c5;
    padding-top: 70px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 55px;
    padding-bottom: 60px;
}

.footer-brand {
    color: white;
}

.footer p {
    color: #81909e;
    font-size: 13px;
    line-height: 1.8;
    max-width: 390px;
    margin-top: 20px;
}

.footer h4 {
    color: white;
    font-family: "Manrope", sans-serif;
    font-size: 14px;
    margin-bottom: 15px;
}

.footer a {
    display: block;
    color: #8997a5;
    font-size: 13px;
    margin: 8px 0;
}

.footer a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 20px 0;
    font-size: 11px;
    color: #687785;
}


/* =========================
   RESPONSIVE
========================= */

@media (max-width: 950px) {

    .main-nav,
    .header-button {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        display: none;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }

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


@media (max-width: 650px) {

    .container {
        width: min(100% - 28px, 1180px);
    }

    .top-links {
        display: none;
    }

    .topbar-inner {
        justify-content: center;
    }

    .hero-image,
    .hero-content {
        min-height: 590px;
    }

    .hero-content h1 {
        font-size: 38px;
        letter-spacing: -1.3px;
    }

    .hero-description {
        font-size: 15px;
    }

    .article-meta {
        flex-wrap: wrap;
        gap: 15px;
    }

    .meta-divider {
        display: none;
    }

    .article-section {
        padding: 55px 0 75px;
    }

    .article-content h2 {
        font-size: 29px;
    }

    .article-intro {
        font-size: 18px;
    }

    .table-header div,
    .table-row div {
        padding: 13px 10px;
        font-size: 11px;
    }

    .article-image img {
        height: 260px;
    }

    .article-cta {
        padding: 35px 25px;
    }

    .article-cta h2 {
        font-size: 27px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-primary,
    .cta-secondary {
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}