/* =========================
   LHR Airport London
   Main Stylesheet
   ========================= */

:root {
    --navy: #43205F;
    --navy-light: #563073;
    --blue: #68408A;
    --blue-light: #F4EFF8;
    --yellow: #F4C542;

    --text: #30283A;
    --muted: #746A7C;
    --border: #E5DDEA;
    --background: #FAF8FB;

    --white: #ffffff;
    --max-width: 1180px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--white);
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

.container {
    width: min(92%, var(--max-width));
    margin: 0 auto;
}

/* HEADER */

.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 21px;
    color: var(--navy);
    white-space: nowrap;
}

.logo:hover {
    text-decoration: none;
}

.logo-mark {
    background: var(--navy);
    color: var(--white);
    padding: 8px 9px;
    border-radius: 7px;
    font-size: 15px;
    letter-spacing: 1px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
    align-items: center;
}

.main-nav a {
    color: var(--text);
    font-weight: 600;
    font-size: 14px;
}

.main-nav a:hover {
    color: var(--blue);
    text-decoration: none;
}

/* HERO */

.hero {
    background:
        radial-gradient(circle at 85% 20%, rgba(255,255,255,.12), transparent 23%),
        linear-gradient(135deg, #351948 0%, #54276F 58%, #7A4B96 100%);
    color: var(--white);
    padding: 82px 0 78px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.5fr .8fr;
    align-items: center;
    gap: 60px;
}

.eyebrow {
    display: inline-block;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    padding: 7px 13px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(40px, 5vw, 65px);
    line-height: 1.08;
    letter-spacing: -1.8px;
    max-width: 790px;
    margin-bottom: 22px;
}

.hero-text {
    color: #d7e5f3;
    font-size: 19px;
    max-width: 700px;
    margin-bottom: 30px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-block;
    background: var(--yellow);
    color: #1d2b39;
    padding: 13px 20px;
    border-radius: 8px;
    font-weight: 750;
}

.button:hover {
    text-decoration: none;
    opacity: .93;
}

.button-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,.45);
}

.hero-box {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 18px;
    padding: 27px;
    backdrop-filter: blur(5px);
}

.hero-box h2 {
    font-size: 20px;
    margin-bottom: 18px;
}

.quick-list {
    list-style: none;
}

.quick-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,.14);
    color: #e9f1f8;
}

.quick-list li:last-child {
    border-bottom: 0;
}

.quick-list strong {
    color: var(--white);
}

/* SECTIONS */

.section {
    padding: 75px 0;
}

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

.section-heading {
    max-width: 740px;
    margin-bottom: 38px;
}

.section-heading .small-heading {
    color: var(--blue);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 8px;
}

.section-heading h2 {
    color: var(--navy);
    font-size: clamp(28px, 3.2vw, 40px);
    line-height: 1.2;
    margin-bottom: 13px;
}

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

/* CARDS */

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 27px;
    transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(16, 42, 67, .09);
}

.card-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 22px;
    margin-bottom: 18px;
}

.card h3 {
    color: var(--navy);
    font-size: 20px;
    line-height: 1.3;
    margin-bottom: 10px;
}

.card p {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 17px;
}

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

/* GUIDE */

.guide-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 55px;
    align-items: start;
}

.guide-content h2 {
    font-size: 35px;
    line-height: 1.2;
    color: var(--navy);
    margin-bottom: 18px;
}

.guide-content p {
    margin-bottom: 17px;
    color: #435267;
}

.info-box {
    background: var(--blue-light);
    border-left: 4px solid var(--blue);
    padding: 24px;
    border-radius: 0 10px 10px 0;
}

.info-box h3 {
    color: var(--navy);
    margin-bottom: 12px;
}

.info-box ul {
    padding-left: 20px;
}

.info-box li {
    margin-bottom: 8px;
}

/* QUICK LINKS */

.link-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.quick-link {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 17px 18px;
    color: var(--navy);
    font-weight: 700;
    background: var(--white);
}

.quick-link:hover {
    border-color: #a8c7e7;
    background: var(--blue-light);
    text-decoration: none;
}

/* FAQ */

.faq {
    max-width: 850px;
}

.faq-item {
    padding: 22px 0;
    border-bottom: 1px solid var(--border);
}

.faq-item h3 {
    color: var(--navy);
    margin-bottom: 8px;
    font-size: 18px;
}

.faq-item p {
    color: var(--muted);
}

/* FOOTER */

.site-footer {
    background: #291536;
    color: #c3cfdb;
    padding: 55px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 45px;
}

.footer-title {
    color: var(--white);
    font-size: 18px;
    margin-bottom: 13px;
}

.footer-text {
    max-width: 440px;
    font-size: 14px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 9px;
}

.footer-links a {
    color: #cbd7e3;
    font-size: 14px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    padding-top: 23px;
    font-size: 13px;
    color: #8ea0b3;
}

/* MOBILE */

@media (max-width: 900px) {

    .header-inner {
        display: block;
        padding: 16px 0;
    }

    .logo {
        margin-bottom: 15px;
    }

    .main-nav ul {
        gap: 13px;
        flex-wrap: wrap;
    }

    .main-nav a {
        font-size: 13px;
    }

    .hero {
        padding: 58px 0;
    }

    .hero-grid,
    .guide-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

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

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

@media (max-width: 600px) {

    body {
        font-size: 15px;
    }

    .hero h1 {
        font-size: 39px;
    }

    .hero-text {
        font-size: 17px;
    }

    .card-grid,
    .link-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 55px 0;
    }

    .main-nav ul {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}
/* ==================================================
   GUIDE / ARTICLE PAGES
   ================================================== */

.page-hero {
    background: linear-gradient(135deg, #351948 0%, #54276F 68%, #7A4B96 100%);
    color: #ffffff;
    padding: 56px 0 60px;
}

.breadcrumb {
    color: #b9cee2;
    font-size: 14px;
    margin-bottom: 20px;
}

.breadcrumb a {
    color: #ffffff;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 7px;
    opacity: 0.65;
}

.page-hero h1 {
    color: #ffffff;
    font-size: clamp(38px, 5vw, 56px);
    line-height: 1.1;
    letter-spacing: -1.4px;
    margin: 0 0 18px;
    max-width: 900px;
}

.page-intro {
    color: #d9e7f4;
    max-width: 850px;
    font-size: 19px;
    line-height: 1.65;
    margin: 0;
}

.updated {
    color: #abc2d8;
    font-size: 13px;
    margin-top: 18px;
}


/* MAIN ARTICLE LAYOUT */

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 790px) 280px;
    gap: 55px;
    justify-content: space-between;
    align-items: start;
}

.article-content {
    width: 100%;
    min-width: 0;
}

.article-content h2 {
    color: var(--navy);
    font-size: 30px;
    line-height: 1.25;
    margin: 44px 0 16px;
}

.article-content h3 {
    color: var(--navy);
    font-size: 21px;
    line-height: 1.35;
    margin: 28px 0 10px;
}

.article-content p {
    color: #435267;
    margin: 0 0 17px;
    line-height: 1.72;
}

.article-content ul,
.article-content ol {
    padding-left: 23px;
    margin: 0 0 22px;
}

.article-content li {
    color: #435267;
    margin-bottom: 7px;
    line-height: 1.6;
}


/* QUICK ANSWER */

.summary-box {
    background: #f4f8fc;
    border: 1px solid #dce7f1;
    border-radius: 14px;
    padding: 25px 27px;
    margin: 0 0 35px;
}

.summary-box h2 {
    margin: 0 0 14px;
    font-size: 22px;
}

.summary-list {
    list-style: none;
    margin: 0 !important;
    padding: 0 !important;
}

.summary-list li {
    padding: 9px 0;
    margin: 0;
    border-bottom: 1px solid #dce7f1;
}

.summary-list li:last-child {
    border-bottom: none;
}


/* TRANSPORT TABLE */

.table-wrap {
    width: 100%;
    overflow-x: auto;
    margin: 25px 0 32px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #ffffff;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

.comparison-table th {
    background: var(--navy);
    color: #ffffff;
    text-align: left;
    font-size: 14px;
    font-weight: 700;
    padding: 14px 15px;
    white-space: nowrap;
}

.comparison-table td {
    color: #435267;
    padding: 15px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    line-height: 1.45;
    vertical-align: top;
}

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

.comparison-table td:first-child {
    color: var(--navy);
    font-weight: 700;
}


/* RECOMMENDATION */

.recommend-box {
    background: #FFF9E7;
    border-left: 4px solid var(--yellow);
    border-radius: 0 9px 9px 0;
    padding: 19px 22px;
    margin: 23px 0;
    color: #435267;
}

.recommend-box strong {
    color: var(--navy);
}


/* DESTINATION CARDS */

.destination-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin: 22px 0 30px;
}

.destination-box {
    border: 1px solid var(--border);
    background: #ffffff;
    border-radius: 10px;
    padding: 18px 19px;
}

.destination-box h3 {
    margin: 0 0 7px;
    font-size: 17px;
}

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


/* SIDEBAR */

.article-sidebar {
    width: 100%;
    position: sticky;
    top: 100px;
}

.sidebar-box {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 21px;
    margin-bottom: 20px;
}

.sidebar-box h2 {
    color: var(--navy);
    font-size: 18px;
    margin: 0 0 12px;
}

.sidebar-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-links li {
    border-bottom: 1px solid var(--border);
    padding: 9px 0;
}

.sidebar-links li:last-child {
    border-bottom: none;
}

.sidebar-links a {
    color: #35475b;
    font-size: 14px;
    font-weight: 650;
}

.sidebar-links a:hover {
    color: var(--blue);
    text-decoration: none;
}


/* ARTICLE FAQ */

.article-content .faq {
    max-width: 100%;
}

.article-content .faq-item {
    padding: 19px 0;
}

.article-content .faq-item h3 {
    margin: 0 0 8px;
}


/* RELATED GUIDES */

.related-guides {
    border-top: 1px solid var(--border);
    padding-top: 32px;
    margin-top: 45px;
}

.related-guides h2 {
    margin-top: 0;
}


/* SOURCES */

.source-note {
    background: #f5f8fb;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 19px 21px;
    margin-top: 32px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65;
}

.source-note a {
    font-weight: 650;
}


/* TABLET */

@media (max-width: 1000px) {

    .article-layout {
        grid-template-columns: minmax(0, 1fr) 240px;
        gap: 35px;
    }
}


/* MOBILE */

@media (max-width: 820px) {

    .article-layout {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .article-sidebar {
        position: static;
    }

    .page-hero {
        padding: 45px 0 48px;
    }

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


@media (max-width: 600px) {

    .page-hero h1 {
        font-size: 37px;
    }

    .page-intro {
        font-size: 17px;
    }

    .article-content h2 {
        font-size: 26px;
        margin-top: 38px;
    }

    .summary-box {
        padding: 21px;
    }
}
/* ARTICLE IMAGES */

.article-image {
    margin: 30px 0 35px;
}

.article-image img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.article-image figcaption {
    margin-top: 9px;
    color: #738195;
    font-size: 13px;
    line-height: 1.5;
}