:root {
  --navy: #082d63;
  --blue: #124b99;
  --soft: #eef6ff;
  --text: #17304f;
  --muted: #64748b;
  --line: #d9e4f0;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(8, 45, 99, .12);
  --hero-background: linear-gradient(100deg, #fff 0%, #f9fcff 34%, #eaf5ff 68%, #b8d9fa 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--white); line-height: 1.55; }
.rk-shell { width: calc(100% - clamp(40px, 8vw, 96px)); margin-inline: auto; }

.rk-header { position: sticky; z-index: 1000; top: 0; background: var(--hero-background); transition: box-shadow .2s ease, background .2s ease; }
.rk-header.rk-header--scrolled { background: rgba(255,255,255,.97); box-shadow: 0 3px 14px rgba(8,45,99,.08); }
.rk-header__inner { min-height: 84px; display: flex; align-items: center; gap: clamp(24px, 3vw, 52px); }
.rk-logo { flex: 0 0 auto; }
.rk-logo img { display: block; width: 205px; max-width: 40vw; height: auto; }
.rk-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(25px, 3vw, 48px); margin-left: auto; transition: margin-right .25s ease; }
.rk-nav a { color: var(--navy); font-weight: 600; text-decoration: none; white-space: nowrap; }
.rk-nav a:hover { color: #0b63d8; }
.rk-header__cta { flex: 0 0 auto; width: 0; min-width: 0; padding-inline: 0; opacity: 0; visibility: hidden; overflow: hidden; pointer-events: none; transform: translateX(12px); transition: width .25s ease, padding .25s ease, opacity .2s ease, transform .25s ease, visibility .2s; }
.rk-header--scrolled .rk-header__cta { width: 188px; padding-inline: 25px; opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(0); }
.rk-menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 8px; background: transparent; color: var(--navy); cursor: pointer; }
.rk-menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.rk-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 30px; border-radius: 10px; background: var(--navy); color: var(--white); text-decoration: none; font-weight: 700; }
.rk-button:focus-visible, .rk-logo:focus-visible, .rk-menu-toggle:focus-visible, a:focus-visible { outline: 3px solid #f2a900; outline-offset: 3px; }

.rk-hero { position: relative; min-height: 610px; overflow: hidden; padding: 48px 0 42px; background: radial-gradient(circle at 63% 25%, rgba(176,213,249,.25) 0 9%, transparent 9.2%), radial-gradient(circle at 51% 59%, rgba(177,215,250,.23) 0 11%, transparent 11.2%), radial-gradient(circle at 91% 48%, rgba(159,205,248,.2) 0 12%, transparent 12.2%), var(--hero-background); }
.rk-hero__grid { min-height: 520px; display: grid; grid-template-columns: minmax(440px, 650px) minmax(0, 1fr); grid-template-areas: "copy visual" "badges visual"; align-items: center; gap: 26px clamp(28px, 4vw, 76px); }
.rk-hero__copy, .rk-hero__visual { position: relative; z-index: 1; }
.rk-hero__copy { grid-area: copy; align-self: end; justify-self: start; width: 100%; max-width: 650px; }
.rk-eyebrow { margin: 0 0 14px; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .25em; }
.rk-hero h1 { max-width: 640px; margin: 0; color: var(--navy); font-size: clamp(44px, 5vw, 68px); line-height: .98; letter-spacing: -.045em; }
.rk-hero h1 span { display: block; color: #0865e6; }
.rk-lead { max-width: 590px; margin: 24px 0; font-size: 18px; }
.rk-hero__actions { display: flex; flex-wrap: wrap; gap: 16px; }
.rk-hero__actions .rk-button { min-height: 58px; }
.rk-button--primary { gap: 18px; background: #0b63e5; }
.rk-button--primary:hover { background: #084fb7; }
.rk-button--secondary { border: 2px solid #176ce3; background: rgba(255,255,255,.55); color: var(--navy); }
.rk-button--secondary:hover { background: var(--white); }
.rk-hero__visual { grid-area: visual; justify-self: end; width: min(100%, 780px); }
.rk-hero__visual img { display: block; width: 100%; height: auto; filter: drop-shadow(0 20px 24px rgba(8,45,99,.14)); }
.rk-hero__mobile-devices { display: none; }
.rk-action-label--mobile { display: none; }
.rk-badges { grid-area: badges; align-self: start; display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.rk-badge { min-height: 72px; padding: 9px 10px; border: 1px solid #c9d9eb; border-radius: 12px; background: rgba(255,255,255,.78); display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto; align-content: center; align-items: center; column-gap: 9px; text-align: left; }
.rk-badge strong { color: var(--navy); font-size: 14px; }
.rk-badge small { grid-column: 2; font-size: 10px; line-height: 1.25; color: var(--muted); }
.rk-badge__icon, .rk-badge img { grid-row: 1 / 3; }
.rk-badge__icon { font-size: 24px; color: var(--blue); }
.rk-badge--trip img { width: 58px; max-width: 100%; height: 36px; object-fit: contain; }
.rk-badge--eu img { width: 46px; height: 34px; object-fit: contain; }

.rk-features { padding: 44px 0; background: var(--white); }
.rk-features__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.rk-feature { padding: 10px 28px; border-right: 1px solid var(--line); }
.rk-feature:first-child { padding-left: 10px; }
.rk-feature:last-child { border-right: 0; }
.rk-feature__icon { width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center; background: var(--soft); color: var(--navy); font-size: 30px; }
.rk-feature h2 { margin: 15px 0 6px; color: var(--navy); font-size: 20px; }
.rk-feature p { margin: 0; color: #44566f; }

.rk-bottom { position: relative; min-height: 390px; overflow: hidden; background-color: #dbeaf7; background-image: linear-gradient(90deg, rgba(255,255,255,.5) 0%, rgba(255,255,255,.18) 42%, rgba(255,255,255,0) 68%), url('../images/bus-banner.png'); background-repeat: no-repeat; background-position: center bottom; background-size: cover; }
.rk-bottom__grid { display: grid; grid-template-columns: minmax(300px, 480px) minmax(360px, 400px); justify-content: space-between; gap: clamp(36px, 6vw, 96px); align-items: center; min-height: 390px; padding-block: 28px; }
.rk-bottom__copy { max-width: 450px; padding: 10px 8px; }
.rk-bottom__copy h2 { max-width: 390px; margin: 0 0 12px; color: var(--navy); font-size: clamp(40px, 4vw, 54px); line-height: .98; letter-spacing: -.035em; }
.rk-bottom__copy p { max-width: 410px; margin: 0; color: var(--text); font-size: 17px; }
.rk-contact { justify-self: end; width: 100%; padding: 28px; border-radius: 16px; background: rgba(255,255,255,.96); box-shadow: var(--shadow); }
.rk-contact__heading { display: flex; gap: 16px; align-items: flex-start; }
.rk-contact__heading > span { width: 54px; height: 54px; display: grid; flex: 0 0 54px; place-items: center; border-radius: 50%; background: var(--blue); color: var(--white); font-size: 24px; }
.rk-contact h2 { margin: 2px 0 0; font-size: 20px; color: var(--navy); }
.rk-contact p { display: flex; gap: 14px; margin: 13px 0; }
.rk-contact__heading p { display: block; margin: 0; color: var(--muted); }
.rk-contact a { color: var(--text); text-decoration: none; }
.rk-contact hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }

.rk-footer { background: var(--white); }
.rk-footer__content { display: grid; grid-template-columns: minmax(220px, 1.35fr) repeat(3, minmax(150px, 1fr)); gap: clamp(32px, 5vw, 72px); padding-block: 54px 42px; }
.rk-footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.rk-footer__logo { width: 170px; height: auto; }
.rk-footer__tag { color: var(--blue); letter-spacing: .22em; font-size: 11px; }
.rk-footer__column h2 { margin: 0 0 16px; color: var(--navy); font-size: 17px; }
.rk-footer__column ul { display: grid; gap: 9px; margin: 0; padding: 0; color: #44566f; font-size: 14px; list-style: none; }
.rk-footer__column a { color: inherit; text-decoration: none; }
.rk-footer__column a:hover { color: var(--blue); }
.rk-footer__bottom { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-block: 12px; border-top: 1px solid var(--line); font-size: 13px; }
.rk-footer__legal { white-space: nowrap; }
.rk-maker { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border: 1px solid #dce8f2; border-radius: 14px; background: #f7fbfe; color: var(--navy); text-decoration: none; white-space: nowrap; }
.rk-maker img { width: 42px; height: 42px; object-fit: contain; border-radius: 8px; }
.rk-maker span { display: flex; flex-direction: column; line-height: 1.2; }
.rk-maker small { color: #8a98aa; font-size: 10px; }
.rk-maker strong { font-size: 12px; }

@media (max-width: 1100px) {
  .rk-header__inner { gap: 24px; }
  .rk-nav { gap: 24px; }
  .rk-logo img { width: 180px; }
  .rk-footer__content { grid-template-columns: 1.25fr repeat(3, 1fr); gap: 28px; }
}

@media (max-width: 900px) {
  .rk-header__inner { min-height: 76px; }
  .rk-logo img { width: 175px; max-width: 55vw; }
  .rk-header__cta { display: none; }
  .rk-menu-toggle { margin-left: auto; }
  .rk-header--scrolled .rk-menu-toggle { display: block; }
  .rk-nav { position: absolute; top: 100%; right: 14px; left: 14px; display: grid; gap: 0; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); box-shadow: var(--shadow); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-8px); transition: opacity .2s ease, transform .2s ease, visibility .2s; }
  .rk-nav a { padding: 12px 14px; border-radius: 7px; }
  .rk-nav a:hover { background: var(--soft); }
  .rk-header--menu-open .rk-nav { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
  .rk-header--menu-open .rk-menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .rk-header--menu-open .rk-menu-toggle span:nth-child(2) { opacity: 0; }
  .rk-header--menu-open .rk-menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .rk-hero { min-height: 0; }
  .rk-hero__grid { min-height: 0; grid-template-columns: 1fr; grid-template-areas: "copy" "visual" "badges"; }
  .rk-hero__copy { max-width: 720px; }
  .rk-hero__visual { max-width: 720px; margin: auto; }
  .rk-features__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .rk-feature, .rk-feature:first-child { padding: 10px 20px; border-right: 0; }
  .rk-bottom { background-position: 58% bottom; }
  .rk-bottom__grid { grid-template-columns: minmax(260px, 1fr) minmax(320px, 350px); gap: 30px; }
  .rk-footer__content { grid-template-columns: 1fr 1fr; }
  .rk-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .rk-shell { width: calc(100% - 28px); }
  .rk-button { min-height: 42px; padding: 0 18px; }
  .rk-header { background: #edf6ff; }
  .rk-header.rk-header--scrolled { background: rgba(255,255,255,.97); }
  .rk-header__inner { min-height: 68px; }
  .rk-logo img { width: 158px; }
  .rk-hero { padding: 28px 0 34px; background: #edf6ff; }
  .rk-hero__grid { gap: 26px; }
  .rk-hero h1 { font-size: 44px; }
  .rk-lead { font-size: 16px; }
  .rk-hero__actions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }
  .rk-hero__actions .rk-button { min-height: 48px; padding-inline: 12px; font-size: 14px; white-space: nowrap; }
  .rk-action-label--desktop { display: none; }
  .rk-action-label--mobile { display: inline; }
  .rk-hero__visual .rk-hero__devices { display: none; }
  .rk-hero__mobile-devices { position: relative; display: block; height: min(106vw, 430px); max-height: 430px; }
  .rk-hero__mobile-devices .rk-hero__laptop { position: absolute; right: -7%; bottom: 0; width: 114%; opacity: .94; }
  .rk-hero__mobile-devices .rk-hero__phone { position: absolute; z-index: 2; left: 50%; bottom: -2px; width: min(39%, 150px); transform: translateX(-50%); filter: drop-shadow(0 14px 18px rgba(8,45,99,.2)); }
  .rk-badges { grid-template-columns: 1fr 1fr; }
  .rk-features__grid { grid-template-columns: 1fr; gap: 10px; }
  .rk-feature, .rk-feature:first-child { display: grid; grid-template-columns: 58px minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 16px; padding: 14px 0; }
  .rk-feature__icon { grid-row: 1 / 3; align-self: start; width: 54px; height: 54px; }
  .rk-feature h2 { grid-column: 2; margin: 0 0 4px; }
  .rk-feature p { grid-column: 2; }
  .rk-bottom { min-height: 0; background-image: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.88) 58%, rgba(255,255,255,.18) 100%), url('../images/bus-banner.png'); background-position: 62% bottom; background-size: cover; }
  .rk-bottom__grid { grid-template-columns: 1fr; gap: 22px; min-height: 0; padding-block: 40px; }
  .rk-bottom__copy { max-width: 320px; padding: 20px; border-radius: 14px; background: rgba(255,255,255,.9); }
  .rk-bottom__copy h2 { font-size: 36px; }
  .rk-contact { justify-self: stretch; padding: 22px; }
  .rk-footer__content { grid-template-columns: 1fr; gap: 28px; padding-block: 40px 30px; }
  .rk-footer__brand { grid-column: auto; }
  .rk-footer__bottom { flex-direction: column; align-items: flex-start; gap: 16px; padding-block: 22px; }
  .rk-footer__legal { white-space: normal; }
  .rk-maker { text-align: left; }
}

.rk-help-page { background: #f7fbff; }
.rk-help-hero { padding: 76px 0 120px; background: var(--hero-background); text-align: center; }
.rk-help-hero__inner { max-width: 820px; }
.rk-help-hero h1 { margin: 0; color: var(--navy); font-size: clamp(38px, 5vw, 62px); line-height: 1.05; letter-spacing: -.035em; }
.rk-help-hero p:last-child { margin: 18px auto 0; color: #44566f; font-size: 18px; }
.rk-help-content { position: relative; z-index: 1; margin-top: -72px; padding-bottom: 80px; }
.rk-help-empty { padding: 28px; border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.rk-helpdesk__search { position: relative; max-width: 760px; margin: 0 auto 42px; }
.rk-helpdesk__search label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.rk-helpdesk__search input { width: 100%; min-height: 72px; padding: 0 64px 0 28px; border: 1px solid #c9d9eb; border-radius: 16px; background: var(--white); color: var(--text); box-shadow: var(--shadow); font: inherit; font-size: 17px; }
.rk-helpdesk__search button { position: absolute; top: 12px; right: 12px; width: 48px; height: 48px; border: 0; border-radius: 12px; background: #0b63e5; color: var(--white); font-size: 20px; cursor: pointer; }
.rk-helpdesk__layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 38px; align-items: start; }
.rk-helpdesk__categories { position: sticky; top: 106px; padding: 24px; border-radius: 16px; background: var(--white); box-shadow: 0 12px 35px rgba(8,45,99,.08); }
.rk-helpdesk__categories h2 { margin: 0 0 15px; color: var(--navy); font-size: 17px; }
.rk-helpdesk__filters { display: grid; gap: 8px; }
.rk-helpdesk__filter { padding: 10px 12px; border: 0; border-radius: 9px; background: transparent; color: #44566f; font: inherit; text-align: left; cursor: pointer; }
.rk-helpdesk__filter:hover, .rk-helpdesk__filter[aria-pressed="true"] { background: var(--soft); color: var(--blue); font-weight: 700; }
.rk-helpdesk__heading { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 18px; }
.rk-helpdesk__heading h2 { margin: 0; color: var(--navy); font-size: 28px; }
.rk-helpdesk__status { margin: 0; color: var(--muted); font-size: 14px; }
.rk-helpdesk__list { display: grid; gap: 12px; }
.rk-help-card { border: 1px solid var(--line); border-radius: 14px; background: var(--white); overflow: hidden; }
.rk-help-card summary { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 20px 22px; color: var(--navy); font-weight: 700; cursor: pointer; list-style: none; }
.rk-help-card summary::-webkit-details-marker { display: none; }
.rk-help-card__type { padding: 4px 8px; border-radius: 20px; background: var(--soft); color: var(--blue); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.rk-help-card__icon { font-size: 22px; font-weight: 400; transition: transform .2s ease; }
.rk-help-card[open] .rk-help-card__icon { transform: rotate(45deg); }
.rk-help-card__answer { padding: 0 22px 22px; color: #44566f; }
.rk-help-card__answer > :first-child { margin-top: 0; }
.rk-help-card__answer > :last-child { margin-bottom: 0; }
.rk-help-card__more { display: inline-block; margin-top: 12px; color: var(--blue); font-weight: 700; }
.rk-helpdesk__no-results { padding: 30px; border-radius: 14px; background: var(--white); text-align: center; }
.rk-help-article-wrap { max-width: 900px; padding-block: 58px 80px; }
.rk-help-back { display: inline-block; margin-bottom: 25px; color: var(--blue); font-weight: 700; text-decoration: none; }
.rk-help-article { padding: clamp(28px, 5vw, 60px); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.rk-help-article h1 { margin: 0 0 28px; color: var(--navy); font-size: clamp(34px, 5vw, 54px); line-height: 1.08; }
.rk-help-article__body { font-size: 17px; }

@media (max-width: 760px) {
  .rk-help-hero { padding: 48px 0 100px; }
  .rk-help-content { margin-top: -62px; padding-bottom: 55px; }
  .rk-helpdesk__search { margin-bottom: 26px; }
  .rk-helpdesk__search input { min-height: 62px; padding-left: 18px; font-size: 16px; }
  .rk-helpdesk__search button { top: 8px; right: 8px; width: 46px; height: 46px; }
  .rk-helpdesk__layout { grid-template-columns: 1fr; gap: 24px; }
  .rk-helpdesk__categories { position: static; padding: 16px; }
  .rk-helpdesk__filters { display: flex; overflow-x: auto; padding-bottom: 4px; }
  .rk-helpdesk__filter { flex: 0 0 auto; white-space: nowrap; }
  .rk-helpdesk__heading { display: block; }
  .rk-helpdesk__status { margin-top: 5px; }
  .rk-help-card summary { padding: 17px; }
  .rk-help-card__answer { padding: 0 17px 18px; }
}