/* Sky Clean — site styles */

:root {
  --navy: #25507d;
  --navy-deep: #163b61;
  --blue: #3e6c9c;
  --tint: #e9f0f7;
  --ground: #f4f6f9;
  --line: #e3e8ef;
  --text: #4a5563;
  --ink: #263445;
  --muted: #5f6a78;
  --on-navy: #dbe6f2;
  --on-deep: #c9d7e6;
  --dot: #a9bdd3;
  --input-border: #7d8fa6;
  --error: #b42318;
  --focus: #9fc0e3;
  --radius: 14px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(22, 59, 97, .06), 0 12px 32px rgba(22, 59, 97, .08);
  --shadow-photo: 0 12px 32px rgba(22, 59, 97, .14);
  --font-head: 'Fira Sans Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
}

/* Base */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--ground); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--navy-deep); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { margin: 0; font-family: var(--font-head); font-weight: 700; line-height: 1.1; text-transform: uppercase; color: var(--navy); }
p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.icon { flex-shrink: 0; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; padding: 10px 16px; border-radius: 8px; background: #fff; font-weight: 700; }
.skip-link:focus { top: 16px; }
.self-start { align-self: flex-start; }

/* Top bar */

.topbar { background: var(--navy-deep); color: var(--on-navy); font-size: 13px; }
.topbar__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 24px; padding-top: 6px; padding-bottom: 6px; }
.topbar__info { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 24px; }
.topbar__item { display: inline-flex; align-items: center; gap: 8px; color: var(--on-navy); }
a.topbar__item:hover { color: #fff; }
.lang-switch { display: flex; gap: 2px; }
.lang-switch a { display: inline-flex; align-items: center; min-height: 28px; padding: 0 9px; border-radius: 4px; color: var(--on-navy); }
.lang-switch a:hover { color: #fff; }
.lang-switch a[aria-current] { background: rgba(255, 255, 255, .16); color: #fff; font-weight: 700; }

/* Header */

.site-header { position: sticky; top: 0; z-index: 10; background: #fff; border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; padding-top: 12px; padding-bottom: 12px; }
.brand img { width: 176px; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 2px 4px; }
.nav a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px; border-radius: 8px; font-family: var(--font-head); font-weight: 700; font-size: 14px; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; color: var(--navy); }
.nav a::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--dot); }
.nav a:hover { background: var(--ground); }
.nav a[aria-current="page"] { background: var(--tint); color: var(--navy-deep); }
.nav a[aria-current="page"]::before { background: var(--navy); }

/* Buttons and links */

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 26px; border: 2px solid transparent; border-radius: 10px; font: inherit; font-size: 15px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; cursor: pointer; }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-deep); color: #fff; }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--tint); color: var(--navy-deep); }
.btn--ghost { border-color: rgba(255, 255, 255, .75); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.btn--outline { min-height: 44px; padding: 0 16px; border: 1px solid var(--on-deep); background: #fff; font-size: 13px; color: var(--navy); white-space: nowrap; }
.btn--outline:hover { border-color: var(--navy); }
.btn--plain, .btn--phone { letter-spacing: 0; text-transform: none; }
.btn--phone { min-height: 44px; padding: 0 18px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 14px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.link-arrow .icon { transition: transform .15s ease; }
.link-arrow:hover .icon { transform: translateX(3px); }
.link-arrow--center { justify-content: center; }

/* Section scaffolding */

.section { padding: 88px 0; }
.section--white { background: #fff; }
.section--tight { padding: 72px 0 88px; }
.stack { display: flex; flex-direction: column; gap: 40px; }
.stack--32 { gap: 32px; }
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 40px; }
.section-head__titles { display: flex; flex-direction: column; gap: 12px; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 28px; height: 2px; background: currentColor; }
.eyebrow--light { color: #fff; font-size: 14px; font-weight: 600; letter-spacing: .08em; }
.eyebrow--light::before { width: 32px; }
.h-section { font-size: clamp(28px, 3.2vw, 38px); }
.prose { display: flex; flex-direction: column; gap: 20px; }
.lead { font-size: 17px; line-height: 1.7; }

/* Hero slider */

.hero { position: relative; height: 640px; overflow: hidden; background: var(--navy-deep); }
.hero__slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 30%; opacity: 0; transition: opacity 1s ease; }
.hero__slide.is-active { opacity: 1; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(22, 59, 97, .94) 0%, rgba(22, 59, 97, .82) 40%, rgba(22, 59, 97, .35) 70%, rgba(22, 59, 97, 0) 90%); }
.hero__content { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; gap: 20px; padding-bottom: 64px; }
.hero__title { max-width: 780px; font-size: clamp(34px, 5vw, 60px); line-height: 1.05; letter-spacing: -.01em; color: #fff; }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.hero__buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__dots { display: none; align-items: center; }
.js .hero__dots { display: flex; }
.hero__dot { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; cursor: pointer; }
.hero__dot::before { content: ''; width: 12px; height: 6px; border-radius: 3px; background: rgba(255, 255, 255, .55); transition: width .3s ease, background .3s ease; }
.hero__dot[aria-pressed="true"]::before { width: 30px; background: #fff; }

/* Cards */

.cards { display: flex; flex-wrap: wrap; gap: 24px; }
.card { flex: 1 1 300px; display: flex; flex-direction: column; overflow: hidden; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.card__img { width: 100%; height: 220px; object-fit: cover; }
.card__body { flex-grow: 1; display: flex; flex-direction: column; gap: 12px; padding: 24px 28px; }
.card__body .link-arrow { margin-top: auto; }
.card__head { display: flex; align-items: center; gap: 12px; }
.card__title { font-size: 21px; line-height: 1.2; }
.icon-badge { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: var(--tint); color: var(--navy); }
.icon-badge--sm { width: 40px; height: 40px; border-radius: 10px; }
.icon-badge--lg { width: 48px; height: 48px; }

/* Two-column layouts */

.split { display: flex; flex-wrap: wrap; align-items: center; gap: 48px 72px; }
.split--top { align-items: flex-start; }
.split__main { flex: 1 1 460px; min-width: 0; }
.split__side { flex: 1 1 420px; min-width: 0; }
.split__aside { flex: 0 1 360px; min-width: 0; }
.layout-aside { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 32px; }
.layout-aside__main { flex: 1 1 640px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.layout-aside__side { flex: 1 1 320px; min-width: 0; }

.photo { width: 100%; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-photo); }
.photo--tall { height: 460px; object-position: top; }
.photo--wide { height: 360px; }
.collage { position: relative; padding-bottom: 56px; }
.collage__main { width: 100%; height: 400px; object-fit: cover; object-position: 50% 30%; border-radius: var(--radius-lg); }
.collage__inset { position: absolute; right: -16px; bottom: 0; width: 56%; max-width: 300px; border: 6px solid #fff; border-radius: 12px; box-shadow: 0 12px 32px rgba(22, 59, 97, .18); }
.checklist { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.checklist li { flex: 1 1 220px; display: flex; align-items: flex-start; gap: 10px; font-weight: 600; color: var(--ink); }
.checklist__mark { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; margin-top: 2px; border-radius: 50%; background: var(--navy); color: #fff; }

/* Call-to-action band */

.cta-band { padding: 56px 0; background: var(--navy); }
.cta-band__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 48px; }
.cta-band h2 { font-size: clamp(26px, 3vw, 34px); color: #fff; }
.cta-band p { margin-top: 8px; font-size: 17px; color: var(--on-navy); }
.cta-band__buttons { display: flex; flex-wrap: wrap; gap: 12px; }

/* Footer */

.site-footer { background: var(--navy-deep); color: var(--on-deep); font-size: 15px; }
.site-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px 64px; padding-top: 56px; padding-bottom: 40px; }
.site-footer__about { flex: 1 1 280px; max-width: 360px; display: flex; flex-direction: column; gap: 16px; }
.site-footer__about img { width: 170px; }
.site-footer__col { flex: 0 1 200px; display: flex; flex-direction: column; gap: 8px; }
.site-footer__col--wide { flex-basis: 300px; }
.site-footer h2 { margin-bottom: 6px; font-size: 15px; letter-spacing: .08em; color: #fff; }
.site-footer a { color: var(--on-deep); }
.site-footer a:hover { color: #fff; }
.site-footer a.strong { font-weight: 600; color: #fff; }
.site-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .12); font-size: 13px; }
.site-footer__bottom .container { padding-top: 18px; padding-bottom: 18px; }

/* Inner page banner */

.page-banner { position: relative; overflow: hidden; background: var(--navy); }
.page-banner__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.page-banner::after { content: ''; position: absolute; inset: 0; background: rgba(22, 59, 97, .7); }
.page-banner__inner { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 12px; padding-top: 56px; padding-bottom: 60px; }
.page-banner h1 { font-size: clamp(32px, 4vw, 52px); line-height: 1.05; color: #fff; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--on-navy); }
.breadcrumb a { color: var(--on-navy); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb [aria-current] { color: #fff; }

/* About */

.features { display: flex; flex-wrap: wrap; gap: 20px; }
.feature { flex: 1 1 200px; display: flex; flex-direction: column; gap: 14px; padding: 28px 24px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.feature h3 { font-size: 19px; line-height: 1.2; }
.feature p { font-size: 15px; }
.mission { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 40px; padding: 44px 48px; background: var(--navy); border-radius: var(--radius-lg); }
.mission figcaption { font-family: var(--font-head); font-size: 15px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--on-navy); }
.mission blockquote { flex: 1 1 480px; font-size: clamp(18px, 2vw, 22px); font-weight: 600; line-height: 1.5; color: #fff; }
.liaa { max-width: 600px; margin: 0 auto; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }

/* Services */

.aside-card { flex: 0 1 340px; min-width: 0; display: flex; flex-direction: column; gap: 16px; padding: 32px 28px; background: var(--ground); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.aside-card h2 { font-size: 22px; line-height: 1.2; }
.aside-card .icon-badge { background: #fff; }
.contact-line { display: flex; align-items: center; gap: 12px; min-height: 44px; font-weight: 600; color: var(--ink); }
.contact-line:hover { color: var(--navy); }
.media-card { flex: 1 1 480px; min-width: 0; display: flex; flex-wrap: wrap; overflow: hidden; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.media-card img { flex: 1 1 220px; min-width: 0; height: 230px; object-fit: cover; }
.media-card__body { flex: 1 1 240px; display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 28px; }
.media-card h3 { font-size: 21px; line-height: 1.2; }
.svc-grid { display: flex; flex-wrap: wrap; gap: 24px; }
.svc { flex: 1 1 340px; min-width: 0; display: flex; flex-direction: column; gap: 12px; padding: 28px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.svc h3 { font-size: 21px; line-height: 1.2; }
.svc .link-arrow { margin-top: auto; }
.svc__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.svc__num { font-family: var(--font-head); font-size: 28px; font-weight: 700; color: var(--on-deep); }
.svc--accent { justify-content: space-between; gap: 16px; background: var(--navy); box-shadow: none; color: var(--on-navy); }
.svc--accent h3 { color: #fff; }
.groups { display: flex; flex-wrap: wrap; gap: 20px; }
.group { flex: 1 1 200px; display: flex; flex-direction: column; gap: 10px; padding: 20px 22px; border-radius: 12px; background: var(--ground); }
.group h3 { font-size: 16px; letter-spacing: .04em; }
.dot-list { display: flex; flex-direction: column; gap: 6px; color: var(--ink); }
.dot-list li { display: flex; align-items: center; gap: 10px; }
.dot-list li::before { content: ''; flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--navy); }
.special { display: flex; flex-wrap: wrap; align-items: center; gap: 40px 72px; padding: 40px; background: #fff; border-radius: 20px; box-shadow: var(--shadow); }
.special__img { flex: 0 1 360px; min-width: 0; border-radius: 10px; }
.special__body { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.numbered { display: flex; flex-direction: column; gap: 12px; }
.numbered li { display: flex; align-items: center; gap: 16px; padding: 14px 18px; border-radius: 12px; background: var(--ground); font-weight: 600; color: var(--ink); }
.numbered__n { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 8px; background: var(--navy); font-family: var(--font-head); font-weight: 700; color: #fff; }

/* Prices */

.prices-row { display: flex; flex-wrap: wrap; gap: 24px; }
.price-card { min-width: 0; overflow: hidden; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.prices-row .price-card { flex: 1 1 340px; }
.price-card__head { display: flex; align-items: center; gap: 14px; padding: 24px 28px; border-bottom: 1px solid var(--line); }
.price-card__head h2 { font-size: 22px; line-height: 1.2; }
.table-wrap { overflow-x: auto; }
.price-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.price-table--wide { min-width: 560px; }
.price-table thead tr { background: var(--ground); }
.price-table th[scope="col"] { padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.price-table tbody tr { border-top: 1px solid var(--line); }
.price-table th[scope="row"] { padding: 18px 16px; text-align: left; font-weight: 400; }
.price-table td { padding: 18px 16px; }
.price-table tr > :first-child { padding-left: 28px; }
.price-table tr > :last-child { padding-right: 28px; }
.price-table .num { text-align: right; }
.price-table__name { display: block; font-weight: 700; color: var(--ink); }
.price-table__note { display: block; font-size: 14px; }
.price-table__action { text-align: right; padding-top: 10px; padding-bottom: 10px; }
.price-value { font-family: var(--font-head); font-size: 22px; font-weight: 700; white-space: nowrap; color: var(--navy); }
.on-request { font-weight: 600; white-space: nowrap; }
.offer-card { display: flex; flex-direction: column; gap: 18px; padding: 32px 28px; background: var(--navy); border-radius: var(--radius-lg); color: var(--on-navy); }
.offer-card h2 { font-size: 24px; line-height: 1.2; color: #fff; }
.offer-card .contact-line { font-weight: 700; color: #fff; }
.offer-card .contact-line:hover { text-decoration: underline; }

/* Contacts */

.form-card { padding: 40px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.form { display: flex; flex-direction: column; gap: 20px; }
.form h2, .success h2 { font-size: 30px; }
.form-row { display: flex; flex-wrap: wrap; gap: 20px; }
.field { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.form-row .field { flex: 1 1 220px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field input, .field textarea { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--input-border); border-radius: 10px; background: #fff; font: inherit; color: var(--ink); }
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--navy); outline: 3px solid var(--focus); outline-offset: 1px; }
.field [aria-invalid="true"] { border-color: var(--error); }
.field__error { font-size: 14px; font-weight: 600; color: var(--error); }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 14px 18px; border-radius: 10px; font-weight: 600; }
.alert--error { border: 1px solid #f5c2bd; background: #fdecea; color: #8a1c12; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
.form__note { font-size: 14px; color: var(--muted); }
.success { min-height: 420px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; text-align: center; }
.success p { max-width: 420px; font-size: 17px; }
.success__mark { display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 50%; background: var(--tint); color: var(--navy); }
.side-stack { display: flex; flex-direction: column; gap: 24px; }
.contact-card { display: flex; flex-direction: column; gap: 20px; padding: 36px 32px; background: var(--navy); border-radius: var(--radius-lg); color: var(--on-navy); }
.contact-card h2 { font-size: 26px; color: #fff; }
.contact-item { display: flex; align-items: center; gap: 14px; min-height: 44px; color: #fff; }
.contact-item--top { align-items: flex-start; }
a.contact-item:hover { color: #fff; }
a.contact-item:hover .contact-item__value { text-decoration: underline; }
.contact-item__icon { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: rgba(255, 255, 255, .12); }
.contact-item__text { display: flex; flex-direction: column; line-height: 1.4; }
.contact-item__label { font-size: 13px; color: var(--on-navy); }
.contact-item__value { font-size: 18px; font-weight: 700; }
.contact-item__value--address { font-size: 16px; font-weight: 600; }
.map-card { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 28px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.map-card h2 { font-size: 20px; }

/* 404 */

.not-found { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; max-width: 640px; }

/* Responsive */

@media (max-width: 860px) {
  .site-header { position: static; }
  .site-header__inner { column-gap: 12px; }
  .nav { order: 3; flex-wrap: nowrap; width: calc(100% + 16px); margin: 0 -8px; overflow-x: auto; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .section { padding: 64px 0; }
  .section--tight { padding: 56px 0 64px; }
  .hero { height: 560px; }
  .form-card, .special { padding: 28px 22px; }
  .mission { padding: 32px 28px; }
  .collage__inset { right: 0; }
}

/* Phones: the price table drops its order buttons (the offer card below has one) instead of scrolling sideways */
@media (max-width: 600px) {
  .price-table--wide { min-width: 0; }
  .price-table .price-table__action { display: none; }
  .price-table tr > :nth-last-child(2) { padding-right: 20px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .topbar__item--address { display: none; }
  .brand img { width: 150px; }
  .hero { height: 540px; }
  .hero__content { padding-bottom: 40px; }
  .btn { padding: 0 20px; }
  .photo--tall, .photo--wide, .collage__main { height: 300px; }
  .price-table tr > :first-child { padding-left: 20px; }
  .price-table tr > :last-child { padding-right: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__slide, .hero__dot::before, .link-arrow .icon { transition: none; }
}