:root {
  --teal-950: #052f30;
  --teal-900: #073d3d;
  --teal-800: #0a5152;
  --teal-700: #0b6668;
  --cyan-600: #258da0;
  --cyan-100: #dff2f4;
  --cyan-50: #eff8f9;
  --gold: #c7833e;
  --ink: #202b30;
  --muted: #5b6a70;
  --line: #d5e5e7;
  --white: #ffffff;
  --shadow-sm: 0 10px 28px rgba(6, 61, 61, .08);
  --shadow-lg: 0 24px 70px rgba(6, 61, 61, .14);
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 36px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  background: var(--cyan-50);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; }

.container { width: min(calc(100% - 36px), var(--container)); margin-inline: auto; }
.section { padding: 96px 0; }
.section--white { background: var(--white); }

.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 1000;
  transform: translateY(-140%); padding: 12px 18px; border-radius: 12px;
  background: var(--white); color: var(--teal-900); font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.topline { background: var(--teal-950); color: rgba(255,255,255,.82); font-size: 13px; }
.topline__inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid rgba(213,229,231,.9);
  background: rgba(255,255,255,.94); backdrop-filter: blur(16px);
}
.header-row { min-height: 86px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; flex: 0 0 auto; }
.brand img { width: 58px; height: 58px; border-radius: 50%; box-shadow: 0 6px 18px rgba(6,61,61,.18); }
.brand span { display: grid; line-height: 1.15; }
.brand strong { font-size: 20px; color: var(--teal-900); }
.brand small { margin-top: 4px; color: var(--muted); font-size: 12px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav a { color: #405056; font-size: 14px; font-weight: 700; text-decoration: none; }
.nav a:hover, .nav a:focus-visible { color: var(--teal-700); }
.header-call { flex: 0 0 auto; }
.menu-button { display: none; margin-left: auto; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 13px; background: var(--white); padding: 10px; cursor: pointer; }
.menu-button__line { display: block; width: 22px; height: 2px; margin: 5px auto; border-radius: 2px; background: var(--teal-900); transition: transform .2s ease, opacity .2s ease; }
.menu-button[aria-expanded="true"] .menu-button__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] .menu-button__line:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] .menu-button__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

h1, h2, h3 { margin-top: 0; color: var(--teal-950); line-height: 1.12; }
h1 { margin-bottom: 26px; font-size: clamp(42px, 4.8vw, 64px); letter-spacing: -.045em; }
h2 { margin-bottom: 24px; font-size: clamp(34px, 4vw, 52px); letter-spacing: -.035em; }
h3 { margin-bottom: 12px; font-size: 22px; letter-spacing: -.015em; }
p { margin-top: 0; }
.eyebrow { max-width: 100%; margin: 0 0 18px; color: var(--cyan-600); font-size: 13px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; overflow-wrap: anywhere; }
.eyebrow--light { color: #8ad5dc; }
.lead, .section-lead { color: #42545a; font-size: 20px; line-height: 1.65; }
.section-heading { max-width: 780px; margin-bottom: 42px; }
.section-heading--split { max-width: none; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr); gap: 48px; align-items: end; }
.section-heading--split > p { margin: 0 0 8px; color: var(--muted); font-size: 17px; }

.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; padding: 13px 23px; border: 2px solid transparent; border-radius: 15px; font-weight: 850; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button--solid { background: var(--teal-700); color: var(--white); box-shadow: 0 10px 24px rgba(11,102,104,.22); }
.button--solid:hover, .button--solid:focus-visible { background: var(--teal-800); box-shadow: 0 14px 30px rgba(11,102,104,.28); }
.button--outline { border-color: #a8c9cc; background: rgba(255,255,255,.6); color: var(--teal-900); }
.button--outline:hover, .button--outline:focus-visible { background: var(--white); box-shadow: var(--shadow-sm); }
.button--light { background: var(--white); color: var(--teal-900); box-shadow: 0 10px 24px rgba(1,28,29,.18); }
.button--small { min-height: 44px; padding: 9px 17px; border-radius: 12px; font-size: 14px; }
.button-row, .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero { position: relative; overflow: hidden; padding-top: 78px; }
.hero::before { content: ""; position: absolute; width: 560px; height: 560px; top: -210px; right: -130px; border-radius: 50%; background: radial-gradient(circle, rgba(37,141,160,.18), rgba(37,141,160,0) 70%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 72px; align-items: center; }
.hero-grid > * { min-width: 0; }
.hero-copy { position: relative; z-index: 2; min-width: 0; }
.hero-copy .lead { max-width: 780px; margin-bottom: 32px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 30px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; font-weight: 700; }
.hero-points li { position: relative; padding-left: 20px; }
.hero-points li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.hero-info-card { position: relative; z-index: 2; align-self: center; width: min(100%, 410px); margin-left: auto; padding: 12px 28px; border: 1px solid rgba(213,229,231,.95); border-radius: var(--radius-md); background: rgba(255,255,255,.94); box-shadow: var(--shadow-lg); backdrop-filter: blur(12px); }
.hero-info-card__item { display: grid; grid-template-columns: 46px minmax(0,1fr); gap: 16px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--line); }
.hero-info-card__item:last-child { border-bottom: 0; }
.hero-info-card__icon { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 14px; background: var(--cyan-100); color: var(--teal-700); font-size: 12px; font-weight: 900; }
.hero-info-card strong { display: block; margin: 1px 0 5px; color: var(--teal-900); line-height: 1.35; }
.hero-info-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.about-grid > div:first-child p:not(.eyebrow) { color: var(--muted); }
.note-inline { margin: 28px 0 0; padding: 16px 18px; border-left: 4px solid var(--gold); border-radius: 0 12px 12px 0; background: #fff8ef; color: #6b4d2d !important; font-weight: 750; }
.benefit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.benefit-card { min-height: 235px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--cyan-50); }
.benefit-card__number { display: grid; width: 42px; height: 42px; margin-bottom: 26px; place-items: center; border-radius: 12px; background: var(--cyan-100); color: var(--teal-700); font-weight: 900; }
.benefit-card p { margin-bottom: 0; color: var(--muted); }

.retract-section { background: linear-gradient(180deg,#eff8f9 0%,#e8f4f5 100%); }
.retract-grid { display: grid; grid-template-columns: 1.03fr .97fr; gap: 56px; align-items: start; }
.product-gallery__main { margin: 0; overflow: hidden; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-lg); }
.product-gallery__main img { width: 100%; aspect-ratio: 1.16; object-fit: cover; }
.product-gallery__thumbs { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; margin-top: 12px; }
.product-gallery__thumb { aspect-ratio: 4 / 3; margin: 0; overflow: hidden; border: 7px solid var(--white); border-radius: 18px; background: var(--white); box-shadow: var(--shadow-sm); }
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center; border-radius: 11px; }
.retract-copy > p { color: var(--muted); }
.feature-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin: 34px 0; }
.feature-columns h3 { font-size: 18px; }
.check-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 26px; color: #405056; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal-700); font-weight: 900; }
.application-box { margin: 30px 0; padding: 22px 24px; border: 1px solid #c9e1e3; border-radius: 18px; background: rgba(255,255,255,.74); }
.application-box strong { color: var(--teal-900); }
.application-box p { margin: 7px 0 0; color: var(--muted); }
.diagram-details { margin-top: 32px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: var(--shadow-sm); }
.diagram-details summary { padding: 20px 24px; cursor: pointer; color: var(--teal-900); font-weight: 850; }
.diagram-details__content { padding: 0 24px 24px; }
.diagram-details__content img { width: 100%; border-radius: 14px; }

.catalog-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.catalog-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); box-shadow: 0 8px 25px rgba(6,61,61,.06); transition: transform .2s ease, box-shadow .2s ease; }
.catalog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.catalog-card__image { overflow: hidden; background: var(--cyan-50); }
.catalog-card__image img { width: 100%; aspect-ratio: 1.38; object-fit: cover; }
.catalog-card__body { padding: 22px; }
.catalog-card__body h3 { font-size: 19px; }
.catalog-card__body p { min-height: 78px; margin-bottom: 20px; color: var(--muted); font-size: 14px; }
.catalog-card__body span { color: var(--teal-700); font-size: 12px; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.catalog-card--cta { display: flex; min-height: 100%; flex-direction: column; justify-content: space-between; padding: 28px; background: linear-gradient(145deg,var(--teal-900),var(--teal-700)); color: var(--white); }
.catalog-card--cta h3 { color: var(--white); font-size: 26px; }
.catalog-card--cta p:not(.eyebrow) { color: rgba(255,255,255,.76); }
.catalog-card--cta .eyebrow { color: #8ad5dc; }
.catalog-card--cta .button { margin-top: 28px; }

.delivery-section { background: linear-gradient(135deg,var(--teal-950),var(--teal-700)); color: var(--white); }
.delivery-section h2 { color: var(--white); }
.delivery-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.delivery-lead { max-width: 700px; color: rgba(255,255,255,.76); font-size: 18px; }
.delivery-card { padding: 30px; border: 1px solid rgba(255,255,255,.17); border-radius: var(--radius-md); background: rgba(255,255,255,.10); backdrop-filter: blur(6px); }
.delivery-card__label { display: inline-flex; margin-bottom: 18px; padding: 7px 11px; border-radius: 999px; background: rgba(255,255,255,.14); font-size: 12px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.delivery-card strong { display: block; color: var(--white); font-size: 22px; line-height: 1.4; }
.delivery-card p { margin: 16px 0; color: rgba(255,255,255,.74); }
.delivery-card a { color: #bdeff2; font-weight: 850; }

.steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin: 0; padding: 0; list-style: none; }
.step-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--cyan-50); }
.step-card > span { display: inline-flex; margin-bottom: 32px; color: var(--gold); font-size: 34px; font-weight: 900; letter-spacing: -.04em; }
.step-card p { margin-bottom: 0; color: var(--muted); }

.contacts-section { background: var(--teal-950); color: var(--white); }
.contacts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contacts-copy h2 { color: var(--white); }
.contacts-copy > p:not(.eyebrow) { color: rgba(255,255,255,.68); }
.contact-list { display: grid; gap: 10px; margin-top: 30px; }
.contact-item { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 20px; padding: 16px 0; border-bottom: 1px solid rgba(255,255,255,.12); text-decoration: none; }
.contact-item span { color: rgba(255,255,255,.56); font-size: 13px; }
.contact-item strong { color: var(--white); overflow-wrap: anywhere; }
a.contact-item:hover strong, a.contact-item:focus-visible strong { color: #a8e5ea; }
.details-card { padding: 34px; border-radius: var(--radius-md); background: var(--white); color: var(--ink); box-shadow: 0 24px 70px rgba(0,0,0,.24); }
.details-card h3 { margin-bottom: 26px; }
.details-card dl { margin: 0; }
.details-card dl > div { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.details-card dl > div:last-child { border-bottom: 0; }
.details-card dt { color: var(--muted); font-size: 13px; }
.details-card dd { margin: 0; font-weight: 750; overflow-wrap: anywhere; }
.location-card .eyebrow { margin-bottom: 10px; }
.location-card h3 { margin-bottom: 14px; }
.location-card__lead { margin-bottom: 18px; color: var(--muted); }
.location-card__button { width: 100%; margin-top: 24px; }

.site-footer { padding: 42px 0; background: #031f20; color: rgba(255,255,255,.66); }
.footer-grid { display: grid; grid-template-columns: .9fr 1.4fr auto; gap: 34px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-brand img { width: 52px; height: 52px; border-radius: 50%; }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand strong { color: var(--white); }
.footer-brand span { font-size: 12px; }
.footer-note { font-size: 12px; line-height: 1.55; }
.footer-copy { font-size: 12px; text-align: right; }
.mobile-actions { display: none; }

:focus-visible { outline: 3px solid #f0b86e; outline-offset: 3px; }

@media (max-width: 1080px) {
  .nav { gap: 15px; }
  .nav a { font-size: 13px; }
  .hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 42px; }
  .catalog-grid { grid-template-columns: repeat(3,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-copy { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 900px) {
  .topline__inner span:first-child { display: none; }
  .topline__inner { justify-content: center; }
  .header-row { min-height: 76px; }
  .brand img { width: 50px; height: 50px; }
  .menu-button { display: block; }
  .header-call { display: none; }
  .nav { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; margin: 0; padding: 16px 18px 22px; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow-sm); }
  .nav.is-open { display: flex; }
  .nav a { padding: 13px 10px; border-bottom: 1px solid #edf3f4; font-size: 15px; }
  .nav a:last-child { border-bottom: 0; }
  .hero-grid, .about-grid, .retract-grid, .delivery-grid, .contacts-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 42px; }
  .hero-copy { text-align: center; }
  .hero-copy .lead { margin-inline: auto; }
  .hero-actions, .hero-points { justify-content: center; }
  .hero-info-card { width: min(100%, 560px); margin-inline: auto; text-align: left; }
  .about-grid { gap: 44px; }
  .section-heading--split { grid-template-columns: 1fr; gap: 10px; align-items: start; }
  .catalog-grid { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  body { padding-bottom: 68px; }
  .container { width: min(calc(100% - 26px), var(--container)); }
  .section { padding: 72px 0; }
  h1 { font-size: clamp(34px, 9.4vw, 40px); }
  h2 { font-size: clamp(30px, 8vw, 39px); }
  .eyebrow { font-size: 11px; letter-spacing: .09em; }
  .lead, .section-lead { font-size: 18px; }
  .brand small { display: none; }
  .hero { padding-top: 60px; }
  .hero-actions .button, .button-row .button { width: 100%; }
  .hero-points { display: grid; justify-content: start; text-align: left; max-width: 330px; margin-inline: auto; }
  .hero-info-card { padding: 8px 20px; }
  .hero-info-card__item { grid-template-columns: 42px minmax(0,1fr); gap: 13px; padding: 18px 0; }
  .hero-info-card__icon { width: 42px; height: 42px; }
  .benefit-grid, .feature-columns, .catalog-grid { grid-template-columns: 1fr; }
  .benefit-card { min-height: auto; }
  .product-gallery__thumbs { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .product-gallery__thumb { border-width: 4px; border-radius: 13px; }
  .product-gallery__thumb img { border-radius: 9px; }
  .catalog-card__body p { min-height: 0; }
  .contact-item, .details-card dl > div { grid-template-columns: 1fr; gap: 3px; }
  .details-card { padding: 25px; }
  .footer-grid { grid-template-columns: 1fr; }
  .mobile-actions { position: fixed; z-index: 150; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1fr; padding: 8px; gap: 8px; background: rgba(3,31,32,.96); backdrop-filter: blur(12px); }
  .mobile-actions a { display: flex; min-height: 50px; align-items: center; justify-content: center; border-radius: 12px; text-decoration: none; font-size: 13px; font-weight: 850; }
  .mobile-actions a:first-child { border: 1px solid rgba(255,255,255,.25); color: var(--white); }
  .mobile-actions a:last-child { background: var(--white); color: var(--teal-900); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
