/* GK Liquid Transport. Brand colours come from the logo (teal + cream);
   gold is olive oil. System fonts: instant, complete Greek, no third-party request. */
:root {
  --teal-950: #0a2421;
  --teal-900: #0c2c29;
  --teal-800: #123f3a;
  --teal-700: #1b5750;
  --teal-600: #2f6a62;
  --teal-200: #a9c9c3;
  --cream: #fdf6d8;
  --sand: #f5f2e8;
  --line: #dde2dc;
  --ink: #132321;
  --muted: #55676a;
  --gold: #e3b341;
  --gold-deep: #c8962a;
  --danger: #a4262c;
  --ok: #1b7a4b;
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, "Noto Sans", Arial, sans-serif;
  --display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, "Noto Sans", Arial, sans-serif;
  --gutter: clamp(16px, 4vw, 32px);
  --edge: max(var(--gutter), calc((100vw - 1240px) / 2));
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font: 400 clamp(16px, .25vw + 15.2px, 18px)/1.65 var(--font);
  overflow-x: clip;
}
img, video, svg { display: block; max-width: 100%; }
img, video { height: auto; }
a { color: var(--teal-700); text-underline-offset: 3px; }
a:hover { color: var(--teal-900); }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
address { font-style: normal; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, .h3 {
  margin: 0 0 .55em;
  font-family: var(--display);
  line-height: 1.14;
  letter-spacing: -.012em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.05rem, 3.9vw + .6rem, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 1.7vw + 1rem, 2.4rem); font-weight: 700; }
h3, .h3 { font-size: clamp(1.1rem, .3vw + 1.05rem, 1.3rem); font-weight: 650; }
html[lang="de"] h1, html[lang="de"] h2, html[lang="nl"] h1, html[lang="nl"] h2 { hyphens: auto; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 3px; }

.wrap { width: 100%; max-width: calc(1240px + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.icon { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sprite { position: absolute; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--gold); color: var(--ink); border-radius: 6px; }
.skip:focus { top: 12px; }
.lead { font-size: clamp(1.05rem, .5vw + .98rem, 1.25rem); line-height: 1.55; }
.measure { max-width: 68ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  min-height: 50px; padding: 11px 22px;
  border: 2px solid transparent; border-radius: 999px;
  font: inherit; font-weight: 650; line-height: 1.2; text-align: center; text-decoration: none;
  cursor: pointer; transition: background-color .18s, color .18s, border-color .18s, transform .18s;
}
.btn:hover { transform: translateY(-1px); }
.btn--sm { min-height: 42px; padding: 7px 16px; font-size: .94em; }
.btn--gold { background: var(--gold); color: var(--teal-950); }
.btn--gold:hover { background: #efc55c; color: var(--teal-950); }
.btn--ghost { border-color: rgba(255, 255, 255, .4); color: #fff; }
.btn--ghost:hover { border-color: #fff; color: #fff; }
.btn--dark { background: var(--teal-900); color: #fff; }
.btn--dark:hover { background: var(--teal-700); color: #fff; }
.btn--line { border-color: var(--teal-900); color: var(--teal-900); }
.btn--line:hover { background: var(--teal-900); color: #fff; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--teal-950); color: #fff; box-shadow: 0 1px 0 rgba(255, 255, 255, .08); }
.site-header__row { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; font-size: 1.05rem; white-space: nowrap; }
.brand:hover { color: var(--cream); }
.brand img { width: 44px; height: 44px; border-radius: 6px; }
.brand strong { font-weight: 700; }
.primary-nav { display: flex; align-items: center; gap: 18px; }
.primary-nav > ul { display: flex; gap: 2px; }
.primary-nav > ul a {
  display: block; padding: 8px 11px; border-radius: 8px;
  color: #dbe7e4; font-size: .95rem; text-decoration: none; white-space: nowrap;
}
.primary-nav > ul a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.primary-nav > ul a[aria-current] { color: var(--gold); }

.lang { position: relative; }
.lang summary {
  display: flex; align-items: center; gap: 6px; padding: 8px 10px; border-radius: 8px;
  color: #dbe7e4; font-size: .92rem; cursor: pointer; list-style: none;
}
.lang summary::-webkit-details-marker { display: none; }
.lang summary:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.lang ul {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 168px; padding: 6px;
  background: #fff; border-radius: 10px; box-shadow: 0 14px 34px rgba(5, 25, 22, .3);
}
.lang li a { display: block; padding: 8px 12px; border-radius: 6px; color: var(--ink); text-decoration: none; }
.lang li a:hover { background: var(--sand); }
.lang li a[aria-current] { font-weight: 650; color: var(--teal-700); }

.nav-toggle { display: none; width: 46px; height: 46px; padding: 0; border: 0; border-radius: 8px; background: none; color: #fff; cursor: pointer; }
.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
  display: block; width: 24px; height: 2px; margin-inline: auto; background: currentColor; transition: transform .2s, background-color .2s;
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -7px; }
.nav-toggle__bars::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-7px) rotate(-45deg); }

/* The tank: photos sit in a capsule, the silhouette of a tanker barrel. */
.tank { overflow: hidden; background: var(--teal-800); }
.tank img { width: 100%; height: 100%; object-fit: cover; }
.tank--right { border-radius: 999px 0 0 999px; }
.tank--left { border-radius: 0 999px 999px 0; }
.tank--right-in { border-radius: 999px; }

/* Home hero */
.hero { position: relative; overflow: hidden; background: var(--teal-900); color: #fff; }
.hero__text { position: relative; z-index: 1; padding-block: clamp(56px, 8vw, 120px); }
.hero__text > * { max-width: min(44vw, 590px); }
.eyebrow { margin-bottom: 14px; color: var(--gold); font-weight: 650; letter-spacing: .02em; }
.hero h1 { margin-bottom: .45em; }
.hero .lead { color: #d4e2df; }
.hero__media { position: absolute; top: clamp(36px, 5vw, 72px); bottom: clamp(36px, 5vw, 72px); right: 0; width: 49vw; }
.hero__media img { object-position: 42% 50%; }

/* Facts strip */
.facts { background: var(--teal-950); color: #fff; }
.facts__row { display: grid; grid-template-columns: repeat(4, 1fr); }
.facts li { padding: 26px 24px; border-left: 1px solid rgba(255, 255, 255, .12); }
.facts li:first-child { padding-left: 0; border-left: 0; }
.facts strong { display: block; color: var(--gold); font: 700 clamp(1.5rem, 1.2vw + 1.1rem, 2.1rem)/1.1 var(--display); }
.facts span { display: block; margin-top: 6px; color: var(--teal-200); font-size: .93rem; line-height: 1.35; }

/* Sections */
.section { padding-block: clamp(56px, 7vw, 104px); }
.section--tight { padding-block: clamp(40px, 4.500vw, 64px); }
.section--sand { background: var(--sand); }
.section--dark { background: var(--teal-900); color: #fff; }
.section--dark h2 { color: #fff; }
.section--dark p { color: #d4e2df; }

/* Products */
.products { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr); gap: clamp(32px, 6vw, 88px); }
.products__intro p { max-width: 40ch; color: var(--muted); }
.hatch { width: min(100%, 300px); margin-top: 28px; aspect-ratio: 1; overflow: hidden; border-radius: 50%; border: 6px solid var(--sand); box-shadow: 0 0 0 1px var(--line); }
.hatch img { width: 100%; height: 100%; object-fit: cover; }
.products__list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(24px, 3.500vw, 48px); align-self: start; }
.products__list li { border-top: 1px solid var(--line); }
.products__list a { display: block; height: 100%; padding: 22px 0 26px; color: inherit; text-decoration: none; }
.products__list h3 { margin-bottom: .35em; font-size: clamp(1.2rem, .55vw + 1.1rem, 1.5rem); transition: color .18s; }
.products__list a:hover h3 { color: var(--gold-deep); }
.products__list p { color: var(--muted); font-size: .98rem; }

/* Network */
.network__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.dest-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; margin-top: 22px; }
.dest-links a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, .15); color: #fff; font-weight: 600; text-decoration: none; }
.dest-links a:hover { color: var(--gold); }
.dest-links .icon { color: var(--gold); }
.network__more { margin-top: 22px; }
.network__more a { display: inline-flex; align-items: center; gap: 8px; color: var(--gold); font-weight: 650; }
.network__more a:hover { color: var(--cream); }

.net-map { width: 100%; height: auto; font-family: var(--font); }
.net-map__lines path { fill: none; stroke: var(--gold); stroke-width: 1.800; stroke-linecap: round; }
.net-map__lines--soft path { stroke: var(--teal-200); stroke-width: .9; opacity: .45; }
.net-map__minor circle { fill: var(--teal-200); opacity: .8; }
.net-map__node circle { fill: var(--gold); stroke: var(--teal-900); stroke-width: 2; transition: r .15s; }
.net-map__node text { fill: #fff; font-size: 14px; font-weight: 650; paint-order: stroke; stroke: var(--teal-900); stroke-width: 4px; }
.net-map__node:hover circle { fill: var(--cream); }
.net-map__node:hover text { fill: var(--gold); }
.net-map__node--hub circle { fill: var(--cream); }
.net-map__node--hub text { font-size: 15px; }
.net-map.is-waiting .net-map__lines:not(.net-map__lines--soft) path { stroke-dasharray: 1; stroke-dashoffset: 1; }
.net-map.is-drawn .net-map__lines:not(.net-map__lines--soft) path { stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset 1.400s cubic-bezier(.3, .6, .3, 1); }

/* Feature */
.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: center; }
.feature__media { aspect-ratio: 16 / 10; }
.feature__media.tank--left { margin-left: calc(var(--edge) * -1); }
.feature__contain img { margin-inline: auto; max-height: 460px; width: auto; }
.points > div { padding-block: 16px; border-top: 1px solid var(--line); }
.points > div:last-child { padding-bottom: 0; }
.points dt { display: flex; align-items: flex-start; gap: 10px; font-weight: 650; }
.points dt .icon { margin-top: .22em; color: var(--gold-deep); stroke-width: 2.600; }
.points dd { margin: 4px 0 0 calc(1.15em + 10px); color: var(--muted); }
.ticks li { display: flex; gap: 10px; padding-block: 6px; }
.ticks .icon { margin-top: .25em; color: var(--gold-deep); stroke-width: 2.600; }

/* Photo strip */
.photo-strip { display: flex; gap: 10px; overflow-x: auto; scroll-snap-type: x proximity; scrollbar-width: none; }
.photo-strip::-webkit-scrollbar { display: none; }
.photo-strip figure { flex: 0 0 clamp(270px, 34vw, 560px); scroll-snap-align: start; }
.photo-strip img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.photo-strip__link { margin-top: 18px; text-align: right; }
.photo-strip__link a { display: inline-flex; align-items: center; gap: 8px; font-weight: 650; }

/* Steps: a pipe with four valves */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 34px; counter-reset: step; }
.steps li { position: relative; padding-top: 58px; counter-increment: step; }
.steps li::before {
  content: counter(step); position: absolute; top: 0; left: 0; z-index: 1;
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  background: var(--teal-900); color: var(--gold); font-weight: 700;
}
.steps li::after { content: ""; position: absolute; top: 20px; left: 0; right: -28px; height: 2px; background: var(--line); }
.steps li:last-child::after { right: 0; }
.steps p { color: var(--muted); font-size: .98rem; }

/* Video */
.video-block { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.video-block video { width: 100%; border-radius: 14px; background: var(--teal-900); }

/* FAQ */
.faq { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(24px, 5vw, 64px); }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0; font-weight: 650; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--gold-deep); font-size: 1.4em; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 18px; color: var(--muted); }

/* CTA */
.cta-band { background: var(--gold); color: var(--teal-950); padding-block: clamp(36px, 4.500vw, 60px); }
.cta-band__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 48px; }
.cta-band h2 { margin-bottom: .25em; color: var(--teal-950); }
.cta-band p { max-width: 58ch; }
.cta-band .actions { margin-top: 0; }

/* Page hero */
.page-hero { position: relative; overflow: hidden; background: var(--teal-900); color: #fff; }
.page-hero__text { position: relative; z-index: 1; padding-block: clamp(30px, 4vw, 48px) clamp(44px, 6vw, 84px); }
.page-hero:not(.page-hero--plain) .page-hero__text > * { max-width: min(46vw, 620px); }
.page-hero--plain .page-hero__text > * { max-width: 800px; }
.page-hero h1 { font-size: clamp(1.9rem, 2.700vw + .9rem, 3rem); }
.page-hero .lead { color: #d4e2df; }
.page-hero .tank { position: absolute; top: clamp(30px, 3.500vw, 48px); bottom: clamp(30px, 3.500vw, 48px); right: 0; width: 47vw; }
.crumbs { margin-bottom: clamp(20px, 2.500vw, 30px); font-size: .88rem; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 2px 8px; }
.crumbs li { color: var(--teal-200); }
.crumbs li + li::before { content: "/"; margin-right: 8px; opacity: .55; }
.crumbs a { color: var(--teal-200); }
.crumbs a:hover { color: #fff; }

/* Content blocks */
.columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 56px); margin-top: 20px; }
.columns--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 0; }
.columns p { color: var(--muted); }
.service-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 4vw, 56px); margin-top: 20px; }
.service-list article { padding-block: 20px 26px; border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.service-list article:target h3 { color: var(--gold-deep); }
.service-list p { color: var(--muted); }
.spec-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); }
.spec-list li { padding-top: 14px; border-top: 3px solid var(--gold); }
.spec-list h2 { margin-bottom: .3em; }
.spec-list p { color: var(--muted); font-size: .98rem; }
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 20px; }
.gallery a { display: block; overflow: hidden; border-radius: 8px; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .35s; }
.gallery a:hover img { transform: scale(1.04); }
.lightbox { max-width: min(94vw, 1500px); max-height: 94vh; padding: 0; border: 0; border-radius: 10px; background: #000; overflow: hidden; }
.lightbox::backdrop { background: rgba(5, 20, 18, .88); }
.lightbox img { max-width: 94vw; max-height: 94vh; width: auto; object-fit: contain; }
.lightbox button { position: absolute; top: 8px; right: 8px; display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(0, 0, 0, .55); color: #fff; cursor: pointer; }

.dest-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 26px); margin-top: 20px; }
.dest-cards a { display: block; color: inherit; text-decoration: none; }
.dest-cards img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 12px; }
.dest-cards__name { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; font: 650 1.2rem/1.2 var(--display); }
.dest-cards a:hover .dest-cards__name { color: var(--gold-deep); }
.dest-cards__cities { display: block; color: var(--muted); font-size: .93rem; }
.country-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.country-tags li { padding: 5px 13px; border: 1px solid rgba(255, 255, 255, .25); border-radius: 999px; color: #dbe7e4; font-size: .93rem; }
.country-tags--light li { border-color: var(--line); background: var(--sand); color: var(--ink); }
.link-list { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 18px; }
.link-list a { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.link-list .icon { width: 1em; height: 1em; }
.cargo { display: flex; flex-wrap: wrap; gap: 10px; }
.cargo a { display: block; padding: 10px 18px; border-radius: 999px; background: #fff; box-shadow: 0 0 0 1px var(--line); color: var(--ink); font-weight: 600; text-decoration: none; }
.cargo a:hover { box-shadow: 0 0 0 2px var(--gold); }
.prose { max-width: 800px; }
.prose h2 { margin-top: 1.5em; font-size: 1.35rem; }
.prose h2:first-child { margin-top: 0; }
.funding p { max-width: 76ch; color: var(--muted); }
.funding a { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }

/* Contact */
.contact { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; margin-block: 22px; }
.field label { display: block; margin-bottom: 5px; font-size: .94rem; font-weight: 600; }
.field label span[aria-hidden] { color: var(--danger); }
.field input:not([type="checkbox"]), .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 10px 13px;
  border: 1px solid #b7c2bd; border-radius: 8px; background: #fff; color: var(--ink); font: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal-700); outline: 2px solid rgba(27, 87, 80, .25); outline-offset: 0; }
.field [aria-invalid="true"] { border-color: var(--danger); }
.field--full { grid-column: 1 / -1; }
.field--check label { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; }
.field--check input { width: 20px; height: 20px; margin-top: 3px; flex: none; accent-color: var(--teal-700); }
.field__error { margin: 5px 0 0; color: var(--danger); font-size: .9rem; }
.hp { position: absolute; left: -9999px; }
.notice { margin-block: 16px; padding: 14px 18px; border-radius: 10px; border-left: 4px solid; }
.notice--ok { border-color: var(--ok); background: #e9f5ee; }
.notice--error { border-color: var(--danger); background: #fbeeee; color: #6e1a1e; }
.contact__side { padding: clamp(22px, 2.500vw, 30px); border-radius: 14px; background: var(--sand); }
.contact-list li { display: flex; gap: 12px; padding-block: 11px; border-bottom: 1px solid var(--line); }
.contact-list .icon { margin-top: .25em; color: var(--teal-700); }
.contact-list a { overflow-wrap: anywhere; }
.contact__person { margin-top: 16px; color: var(--muted); }
.contact__person strong { color: var(--ink); }
.map-facade { margin-top: 18px; }
.map-facade p { margin-top: 8px; color: var(--muted); font-size: .86rem; }
.map-facade iframe { display: block; width: 100%; height: 280px; border: 0; border-radius: 10px; }

/* Footer */
.site-footer { background: var(--teal-950); color: #c3d5d1; padding-top: clamp(44px, 5vw, 68px); font-size: .96rem; }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.35fr; gap: 32px; }
.site-footer h2 { margin-bottom: .7em; color: #fff; font-size: 1rem; letter-spacing: 0; }
.site-footer a { color: #c3d5d1; text-decoration: none; }
.site-footer a:hover { color: var(--gold); }
.site-footer li { padding-block: 3px; }
.site-footer__brand { color: #fff; font-size: 1.15rem; }
.site-footer__social { display: inline-flex; align-items: center; gap: 8px; margin-top: 4px; }
.site-footer address a { overflow-wrap: anywhere; }
.site-footer__funding { margin-top: 36px; }
.site-footer__funding a { display: inline-block; padding: 6px 10px; border-radius: 8px; background: #fff; }
.site-footer__funding img { width: min(100%, 430px); }
.site-footer__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 26px; padding-block: 18px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .87rem; }

/* ≤ 1180: the six-language nav no longer fits on one line */
@media (max-width: 1180px) {
  .nav-toggle { display: block; }
  .primary-nav {
    position: fixed; inset: 72px 0 0 auto; width: min(100vw, 400px);
    display: none; flex-direction: column; align-items: stretch; gap: 14px;
    padding: 18px var(--gutter) 28px; overflow-y: auto;
    background: var(--teal-950); box-shadow: -18px 0 40px rgba(0, 0, 0, .3);
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav > ul { flex-direction: column; }
  .primary-nav > ul a { padding: 12px 10px; font-size: 1.08rem; }
  .lang ul { position: static; margin-top: 6px; display: grid; grid-template-columns: 1fr 1fr; background: rgba(255, 255, 255, .06); box-shadow: none; }
  .lang li a { color: #fff; }
  .lang li a:hover { background: rgba(255, 255, 255, .1); }
  .lang li a[aria-current] { color: var(--gold); }
  .lang summary { min-height: 44px; }
}

@media (max-width: 960px) {
  .hero__text > *, .page-hero:not(.page-hero--plain) .page-hero__text > * { max-width: none; }
  .hero__text { padding-block: 44px 28px; }
  .hero__media, .page-hero .tank {
    position: static; width: auto; margin: 0 0 32px var(--gutter); aspect-ratio: 16 / 9;
  }
  .page-hero__text { padding-bottom: 28px; }
  .page-hero--plain .page-hero__text { padding-bottom: 44px; }
  .products, .network__grid, .feature, .video-block, .faq, .contact { grid-template-columns: minmax(0, 1fr); }
  .feature--flip .feature__media { order: -1; }
  .feature__media.tank--left { margin-left: calc(var(--gutter) * -1); margin-right: 8%; }
  .products__intro p { max-width: none; }
  .hatch { display: none; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(2n)::after { right: 0; }
  .spec-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dest-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .columns { grid-template-columns: minmax(0, 1fr); }
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .facts__row { grid-template-columns: 1fr 1fr; }
  .facts li { padding: 18px 12px 18px 16px; border-left: 1px solid rgba(255, 255, 255, .12); border-top: 1px solid rgba(255, 255, 255, .12); }
  .facts li:nth-child(odd) { padding-left: 0; border-left: 0; }
  .facts li:nth-child(-n+2) { border-top: 0; }
  .products__list, .service-list, .columns--2, .form-grid { grid-template-columns: minmax(0, 1fr); }
  .steps, .spec-list, .dest-cards { grid-template-columns: minmax(0, 1fr); }
  .steps li::after { display: none; }
  .steps li { padding: 0 0 0 58px; min-height: 48px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .actions .btn { flex: 1 1 100%; }
  .brand { font-size: .98rem; }
  .site-footer__grid { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media print {
  .site-header, .site-footer, .cta-band, .photo-strip { display: none; }
}