/* ==========================================================================
   RKFIRE — design tokens + components (RKFIRE Brand Identity)
   One stylesheet for RTL and LTR: logical properties only.
   ========================================================================== */

/* ---------- Fonts (self-hosted, variable) ----------
   Brand typography: Montserrat (English headings), Inter (English body), Cairo (Arabic). */
@font-face { font-family: "Cairo"; font-weight: 200 1000; font-display: swap; src: url("../fonts/cairo-arabic-wght.woff2") format("woff2"); unicode-range: U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC; }
@font-face { font-family: "Cairo"; font-weight: 200 1000; font-display: swap; src: url("../fonts/cairo-latin-wght.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Montserrat"; font-weight: 100 900; font-display: swap; src: url("../fonts/montserrat-latin-wght.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Inter"; font-weight: 100 900; font-display: swap; src: url("../fonts/inter-latin-wght.woff2") format("woff2"); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* ---------- Tokens ---------- */
:root {
  /* Brand palette */
  --rk-red: #c71414;          /* Primary Red — strength, protection, action */
  --rk-orange: #f04b23;       /* Orange Red — energy, performance (graphics only, not small text) */
  --rk-yellow: #f7b500;       /* Safety Yellow — safety, visibility, alert */
  --rk-charcoal: #2e3136;     /* Charcoal — trust, stability, engineering */
  --rk-surface: #f5f5f3;      /* Off-White — clean, modern, professional */
  /* Derived neutrals */
  --rk-red-dark: #a30f0f;
  --rk-charcoal-deep: #1f2124;
  --rk-black: #000000;        /* logo ground */
  --rk-text: #2e3136;
  --rk-muted: #5f6368;
  --rk-line: #e4e4e0;
  --rk-white: #ffffff;
  --rk-on-dark: #c8cacd;
  --rk-success: #1f7a4d;

  /* Brand stripes: red → orange → yellow bands (flat colours, hard stops) */
  --rk-tri: linear-gradient(90deg, var(--rk-red) 0 64%, var(--rk-orange) 64% 84%, var(--rk-yellow) 84% 100%);
  --rk-tri-rtl: linear-gradient(270deg, var(--rk-red) 0 64%, var(--rk-orange) 64% 84%, var(--rk-yellow) 84% 100%);
  --rk-tri-v: linear-gradient(180deg, var(--rk-red) 0 64%, var(--rk-orange) 64% 84%, var(--rk-yellow) 84% 100%);
  --rk-contour: url("../images/brand/contour-light.svg");
  --rk-contour-dark: url("../images/brand/contour-dark.svg");

  --rk-font: "Inter", "Cairo", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  --rk-font-head: "Montserrat", "Cairo", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif;
  --rk-h1: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
  --rk-h2: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
  --rk-section-y: clamp(3rem, 6vw, 5.5rem);
  --rk-header-h: 70px;
  --rk-chrome-h: 104px;       /* top bar (34) + header (70) before scrolling */
  --rk-dir: 1;                /* 1 in LTR, -1 in RTL: flips horizontal motion */
  --rk-ease: cubic-bezier(.22, 1, .36, 1);
  --rk-radius: 8px;
  --rk-radius-sm: 4px;

  /* Bootstrap mapping */
  --bs-primary: var(--rk-red);
  --bs-primary-rgb: 199, 20, 20;
  --bs-body-color: var(--rk-text);
  --bs-body-bg: var(--rk-white);
  --bs-body-font-family: var(--rk-font);
  --bs-body-line-height: 1.75;
  --bs-border-color: var(--rk-line);
  --bs-border-radius: var(--rk-radius-sm);
  --bs-border-radius-sm: var(--rk-radius-sm);
  --bs-border-radius-lg: var(--rk-radius);
  --bs-border-radius-xl: var(--rk-radius);
  --bs-border-radius-pill: 50rem;
  --bs-link-color: var(--rk-red);
  --bs-link-color-rgb: 199, 20, 20;
  --bs-link-hover-color: var(--rk-red-dark);
  --bs-link-hover-color-rgb: 163, 15, 15;
  --bs-heading-color: var(--rk-charcoal);
}
:root[dir="rtl"] { --rk-dir: -1; }
/* Arabic pages: Cairo for all running text; headings keep Montserrat for Latin words, Cairo for Arabic. */
:root[lang="ar"] { --rk-font: "Cairo", system-ui, -apple-system, "Segoe UI", Tahoma, sans-serif; }

/* ---------- Base ---------- */
html { scroll-padding-top: calc(var(--rk-header-h) + 1rem); }
body { font-family: var(--rk-font); color: var(--rk-text); line-height: 1.75; -webkit-font-smoothing: antialiased; }
h1, .h1, h2, .h2, h3, .h3, h4, .h4, .rk-h2 { font-family: var(--rk-font-head); }
h1, .h1 { font-size: var(--rk-h1); font-weight: 800; line-height: 1.3; letter-spacing: -.01em; }
h2, .h2 { font-size: var(--rk-h2); font-weight: 700; line-height: 1.35; letter-spacing: -.005em; }
h3, .h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.5; }
h4, .h4 { font-size: 1rem; font-weight: 700; }
[lang="ar"] h1, [lang="ar"] .h1, [lang="ar"] h2, [lang="ar"] .h2 { letter-spacing: 0; line-height: 1.5; }
p { color: var(--rk-muted); }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; }
:focus-visible { outline: 2px solid var(--rk-red); outline-offset: 2px; }
.ltr { direction: ltr; unicode-bidi: isolate; display: inline-block; }
[dir="rtl"] .bi-flip { display: inline-block; transform: scaleX(-1); }

.rk-skip { position: absolute; inset-inline-start: 1rem; inset-block-start: -100px; z-index: 2000; background: var(--rk-charcoal); color: #fff; padding: .5rem 1rem; }
.rk-skip:focus { inset-block-start: 1rem; color: #fff; }

/* ---------- Sections & headings ---------- */
.rk-section { padding-block: var(--rk-section-y); }
.rk-section--surface { background: var(--rk-surface); }
.rk-section--dark { background: var(--rk-charcoal) var(--rk-contour-dark) no-repeat center / cover; color: var(--rk-on-dark); }
.rk-section--dark h2, .rk-section--dark h3, .rk-section--dark .rk-h2 { color: #fff; }
.rk-section--dark p { color: var(--rk-on-dark); }
/* Eyebrow = the brand's angled red section label ("Logo / الشعار"). */
.rk-eyebrow { display: block; width: fit-content; background: var(--rk-red); color: #fff; font-family: var(--rk-font-head); font-size: .8125rem; font-weight: 700; line-height: 1.5; padding-block: .25rem; padding-inline: .75rem 1.35rem; margin-block-end: .85rem; clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%); }
[dir="rtl"] .rk-eyebrow { clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%); }
.rk-h2 { font-size: var(--rk-h2); font-weight: 700; color: var(--rk-charcoal); margin-block-end: 1.5rem; }
/* Short red-orange-yellow rule, as under the brand titles. */
.rk-tri-rule { display: block; width: 72px; height: 4px; background: var(--rk-tri); border: 0; opacity: 1; margin-block: 0 1.25rem; }
[dir="rtl"] .rk-tri-rule { transform: scaleX(-1); }
.rk-lead { font-size: 1.0625rem; max-width: 60ch; }
.rk-section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem; margin-block-end: 1.75rem; }
.rk-section-head .rk-h2 { margin-block-end: 0; }

/* ---------- Buttons & links ---------- */
.btn-rk, .btn-rk-outline { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--rk-font-head); font-weight: 700; font-size: .9375rem; padding: .7rem 1.35rem; border-radius: var(--rk-radius-sm); border: 1px solid transparent; transition: background-color .15s, color .15s, border-color .15s; text-decoration: none; }
.btn-rk { background: var(--rk-red); color: #fff; }
.btn-rk:hover, .btn-rk:focus-visible { background: var(--rk-red-dark); color: #fff; }
.btn-rk-outline { border-color: var(--rk-charcoal); color: var(--rk-charcoal); background: transparent; }
.btn-rk-outline:hover { background: var(--rk-charcoal); color: #fff; }
.rk-section--dark .btn-rk-outline { border-color: rgba(255,255,255,.4); color: #fff; }
.rk-section--dark .btn-rk-outline:hover { background: #fff; color: var(--rk-charcoal); }
.btn-rk[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.rk-link-arrow { display: inline-flex; align-items: center; gap: .4rem; color: var(--rk-red); font-weight: 700; text-decoration: none; }
.rk-link-arrow:hover { color: var(--rk-red-dark); }
.rk-link-arrow .bi { transition: transform .15s; }
.rk-link-arrow:hover .bi { transform: translateX(3px); }
[dir="rtl"] .rk-link-arrow .bi { transform: scaleX(-1); }
[dir="rtl"] .rk-link-arrow:hover .bi { transform: scaleX(-1) translateX(3px); }

/* ---------- Top bar + header ---------- */
.rk-topbar { background: var(--rk-charcoal); color: var(--rk-on-dark); font-size: .8125rem; }
.rk-topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 34px; }
.rk-topbar a { color: var(--rk-on-dark); text-decoration: none; }
.rk-topbar a:hover { color: #fff; }
.rk-topbar__items { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.rk-header { position: sticky; top: 0; z-index: 1030; background: #fff; border-block-end: 1px solid var(--rk-line); transition: box-shadow .2s; }
.rk-header { --rk-nav-pad: .5rem; }
.rk-header.is-scrolled { --rk-nav-pad: .3rem; }
.rk-header .navbar { padding-block: var(--rk-nav-pad); transition: padding .3s cubic-bezier(.22, 1, .36, 1); }
.rk-header .navbar-brand { padding: 0; margin: 0; }
.rk-header .rk-logo img { height: 52px; width: auto; transition: height .3s cubic-bezier(.22, 1, .36, 1); }
.rk-header.is-scrolled .rk-logo img { height: 44px; }
@media (max-width: 575.98px) { .rk-header .rk-logo img, .rk-header.is-scrolled .rk-logo img { height: 42px; } }
.rk-nav .nav-link { color: var(--rk-text); font-weight: 700; font-size: .9375rem; padding-inline: .75rem !important; position: relative; }
.rk-nav .nav-link:hover, .rk-nav .nav-link.active, .rk-nav .nav-item.active > .nav-link { color: var(--rk-red); }
@media (min-width: 1200px) {
  /* Links fill the bar's height so the active underline and dropdowns line up with the header's bottom edge. */
  .rk-nav { align-self: stretch; }
  .rk-nav .nav-item { display: flex; }
  .rk-nav .nav-link { display: flex; align-items: center; }
  .rk-nav .nav-link.active::after, .rk-nav .nav-item.active > .nav-link::after { content: ""; position: absolute; inset-inline: .75rem; inset-block-end: calc(-1 * var(--rk-nav-pad) - 1px); height: 3px; background: var(--rk-red); }
}
.rk-nav .dropdown-menu { border-radius: 0 0 var(--rk-radius-sm) var(--rk-radius-sm); border: 1px solid var(--rk-line); border-block-start: 3px solid var(--rk-red); padding-block: .5rem; min-width: 15rem; margin-top: var(--rk-nav-pad) !important; }
.rk-nav .dropdown-item { font-size: .9rem; padding: .55rem 1.1rem; color: var(--rk-text); }
.rk-nav .dropdown-item:hover, .rk-nav .dropdown-item.active { background: var(--rk-surface); color: var(--rk-red); }
.rk-header__actions { display: flex; align-items: center; gap: .75rem; }
.rk-lang { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; border: 1px solid var(--rk-line); border-radius: var(--rk-radius-sm); color: var(--rk-charcoal); font-weight: 700; font-size: .875rem; text-decoration: none; }
.rk-lang:hover { border-color: var(--rk-charcoal); color: var(--rk-charcoal); }
.rk-burger { border: 1px solid var(--rk-line); border-radius: var(--rk-radius-sm); width: 44px; height: 44px; background: #fff; color: var(--rk-charcoal); font-size: 1.5rem; display: inline-flex; align-items: center; justify-content: center; }
.rk-burger { transition: border-color .2s, color .2s; }
.rk-burger:hover { border-color: var(--rk-red); color: var(--rk-red); }

/* ---------- Mobile menu (offcanvas) ----------
   Panel slides in with a soft ease; its rows follow one after another. Groups open as an accordion. */
.rk-offcanvas { --bs-offcanvas-width: min(380px, 88vw); --bs-offcanvas-transition: transform .55s cubic-bezier(.22, 1, .36, 1); border: 0 !important; }
.offcanvas-backdrop { --bs-backdrop-bg: var(--rk-charcoal-deep); --bs-backdrop-opacity: .6; transition: opacity .45s ease; }
.rk-offcanvas::before { content: ""; flex: none; height: 4px; background: var(--rk-tri); }
[dir="rtl"] .rk-offcanvas::before { transform: scaleX(-1); }
.rk-offcanvas .offcanvas-header { justify-content: space-between; gap: 1rem; padding: .85rem 1.25rem; border-block-end: 1px solid var(--rk-line); }
.rk-offcanvas__logo img { display: block; height: 42px; width: auto; }
.rk-offcanvas__close { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; padding: 0; border: 1px solid var(--rk-line); border-radius: 50%; background: #fff; color: var(--rk-charcoal); font-size: .95rem; cursor: pointer; transition: transform .35s cubic-bezier(.22, 1, .36, 1), background-color .2s, border-color .2s, color .2s; }
.rk-offcanvas__close:hover, .rk-offcanvas__close:focus-visible { background: var(--rk-red); border-color: var(--rk-red); color: #fff; transform: rotate(90deg); }
.rk-offcanvas .offcanvas-body { display: flex; flex-direction: column; gap: 1.75rem; padding: .5rem 1.25rem 1.5rem; background: #fff var(--rk-contour) no-repeat center bottom / 220% auto; }
.rk-mnav { display: flex; flex-direction: column; }
.rk-mnav__link { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 1rem; width: 100%; padding: .9rem .15rem; border: 0; border-block-end: 1px solid var(--rk-line); background: none; color: var(--rk-charcoal); font-family: var(--rk-font-head); font-size: 1.0625rem; font-weight: 700; text-align: start; text-decoration: none; transition: color .2s, padding .3s cubic-bezier(.22, 1, .36, 1); }
.rk-mnav__link:hover { color: var(--rk-red); padding-inline-start: .55rem; }
.rk-mnav__link.active { color: var(--rk-red); }
.rk-mnav__link.active::before { content: ""; position: absolute; inset-inline-start: -1.25rem; inset-block: .75rem; width: 4px; background: var(--rk-red); border-start-end-radius: 2px; border-end-end-radius: 2px; }
.rk-mnav__toggle .bi { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--rk-surface); color: var(--rk-charcoal); font-size: .75rem; transition: transform .4s cubic-bezier(.22, 1, .36, 1), background-color .25s, color .25s; }
.rk-mnav__toggle[aria-expanded="true"] { color: var(--rk-red); border-block-end-color: transparent; }
.rk-mnav__toggle[aria-expanded="true"] .bi { transform: rotate(180deg); background: var(--rk-red); color: #fff; }
.rk-mnav .collapsing { transition: height .4s cubic-bezier(.22, 1, .36, 1); }
.rk-mnav__sub { list-style: none; margin: 0; padding: 0 0 .75rem; border-block-end: 1px solid var(--rk-line); }
.rk-mnav__sub a { display: flex; align-items: center; gap: .7rem; padding-block: .55rem; padding-inline: .9rem .5rem; border-radius: var(--rk-radius-sm); color: var(--rk-muted); font-size: .9375rem; font-weight: 600; text-decoration: none; transition: background-color .2s, color .2s; }
.rk-mnav__sub a::before { content: ""; flex: none; width: 10px; height: 4px; background: var(--rk-tri); transform: skewX(-24deg); opacity: .45; transition: opacity .2s, width .3s cubic-bezier(.22, 1, .36, 1); }
.rk-mnav__sub a:hover, .rk-mnav__sub a[aria-current="page"] { background: var(--rk-surface); color: var(--rk-red); }
.rk-mnav__sub a:hover::before, .rk-mnav__sub a[aria-current="page"]::before { opacity: 1; width: 16px; }
.rk-mnav__toggle[aria-expanded="true"] + * li { animation: rk-rise .45s cubic-bezier(.22, 1, .36, 1) both; }
.rk-mnav__toggle[aria-expanded="true"] + * li:nth-child(2) { animation-delay: .06s; }
.rk-mnav__toggle[aria-expanded="true"] + * li:nth-child(3) { animation-delay: .12s; }
.rk-offcanvas__foot { display: grid; gap: 1rem; margin-block-start: auto; }
.rk-offcanvas__contact { display: grid; gap: .15rem; }
.rk-offcanvas__contact a { display: flex; align-items: center; gap: .6rem; padding-block: .35rem; color: var(--rk-charcoal); font-size: .9375rem; font-weight: 600; text-decoration: none; }
.rk-offcanvas__contact a:hover { color: var(--rk-red); }
.rk-offcanvas__contact .bi { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--rk-surface); color: var(--rk-red); }
/* Staggered entrance of the rows while the panel slides in (from the side the panel comes from). */
.rk-mnav > *, .rk-offcanvas__foot { opacity: 0; transform: translateX(calc(28px * var(--rk-dir))); transition: opacity .4s ease, transform .6s cubic-bezier(.22, 1, .36, 1); }
.rk-offcanvas.showing .rk-mnav > *, .rk-offcanvas.showing .rk-offcanvas__foot,
.rk-offcanvas.show:not(.hiding) .rk-mnav > *, .rk-offcanvas.show:not(.hiding) .rk-offcanvas__foot { opacity: 1; transform: none; }
.rk-offcanvas.showing .rk-mnav > :nth-child(1) { transition-delay: .1s; }
.rk-offcanvas.showing .rk-mnav > :nth-child(2) { transition-delay: .14s; }
.rk-offcanvas.showing .rk-mnav > :nth-child(3) { transition-delay: .18s; }
.rk-offcanvas.showing .rk-mnav > :nth-child(4) { transition-delay: .22s; }
.rk-offcanvas.showing .rk-mnav > :nth-child(5) { transition-delay: .26s; }
.rk-offcanvas.showing .rk-mnav > :nth-child(6) { transition-delay: .3s; }
.rk-offcanvas.showing .rk-mnav > :nth-child(7) { transition-delay: .34s; }
.rk-offcanvas.showing .rk-mnav > :nth-child(8) { transition-delay: .38s; }
.rk-offcanvas.showing .rk-offcanvas__foot { transition-delay: .44s; }

/* ---------- Page header (inner pages) ---------- */
.rk-page-header { position: relative; isolation: isolate; overflow: hidden; background: var(--rk-charcoal) var(--rk-contour-dark) no-repeat center / cover; color: #fff; padding-block: clamp(2.5rem, 5vw, 3.75rem); }
/* Bottom: red-orange-yellow bar. End corner: angled brand stripes (yellow, orange, then the red sweep off the edge). */
.rk-page-header::before { content: ""; position: absolute; inset-inline: 0; inset-block-end: 0; height: 4px; background: var(--rk-tri); }
[dir="rtl"] .rk-page-header::before { background: var(--rk-tri-rtl); }
.rk-page-header::after { content: ""; position: absolute; z-index: -1; inset-block: 0; inset-inline-end: -48px; width: clamp(110px, 20vw, 280px); background: linear-gradient(90deg, var(--rk-yellow) 0 9%, transparent 9% 15%, var(--rk-orange) 15% 27%, transparent 27% 33%, var(--rk-red) 33% 100%); transform: skewX(-24deg); transform-origin: bottom; }
[dir="rtl"] .rk-page-header::after { transform: scaleX(-1) skewX(-24deg); }
@media (max-width: 767.98px) { .rk-page-header::after { opacity: .35; } }
.rk-page-header h1 { color: #fff; margin: 0 0 .5rem; max-width: 30ch; }
.rk-page-header .breadcrumb { margin: 0; font-size: .875rem; --bs-breadcrumb-divider-color: var(--rk-on-dark); --bs-breadcrumb-item-active-color: #fff; }
.rk-page-header .breadcrumb a { color: var(--rk-on-dark); text-decoration: none; }
.rk-page-header .breadcrumb a:hover { color: #fff; }

/* ---------- Hero ---------- */
.rk-hero { display: grid; grid-template-columns: 1fr; border-block-end: 1px solid var(--rk-line); background: #fff var(--rk-contour) no-repeat center / cover; }
.rk-hero__text { padding-block: clamp(2.5rem, 6vw, 5rem); padding-inline: 1rem; display: flex; align-items: center; }
@media (min-width: 576px) { .rk-hero__text { padding-inline: max(1.5rem, calc((100vw - 540px) / 2 + .75rem)); } }
@media (min-width: 768px) { .rk-hero__text { padding-inline: max(1.5rem, calc((100vw - 720px) / 2 + .75rem)); } }
.rk-hero__text h1 { margin-block: .25rem 1rem; max-width: 22ch; }
.rk-hero__text p { font-size: 1.0625rem; max-width: 52ch; }
.rk-hero__media { position: relative; isolation: isolate; height: clamp(320px, 88vw, 520px); }
.rk-hero__media::before { content: ""; position: absolute; z-index: 3; inset-inline: 0; inset-block-start: 0; height: 6px; background: var(--rk-tri); }
.rk-hero__frame { position: absolute; z-index: 2; inset: 0; overflow: hidden; background: var(--rk-surface); }
.rk-hero__frame img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--rk-ease); }
.rk-hero__media:hover .rk-hero__frame img { transform: scale(1.03); }
.rk-hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: 1.75rem; }
@media (min-width: 992px) {
  /* The hero fills the first screen together with the top bar and header. */
  .rk-hero { grid-template-columns: 1fr 1fr; min-height: max(560px, calc(100vh - var(--rk-chrome-h))); min-height: max(560px, calc(100svh - var(--rk-chrome-h))); }
  .rk-hero__media { height: auto; }
  .rk-hero__text { padding-inline-start: max(1.5rem, calc((100vw - 1200px) / 2 + .75rem)); padding-inline-end: 3rem; }
  /* Diagonal edge toward the text: yellow, orange and red bands step in from the cut, photo after them.
     --t / --b = where the outer (yellow) edge meets the top / bottom of the media column. */
  .rk-hero__media { --t: 130px; --b: 0px; background: var(--rk-yellow); clip-path: polygon(var(--t) 0, 100% 0, 100% 100%, var(--b) 100%); }
  .rk-hero__media::before, .rk-hero__media::after { content: ""; position: absolute; inset: 0; height: auto; }
  .rk-hero__media::before { z-index: 0; background: var(--rk-orange); clip-path: polygon(calc(var(--t) + 12px) 0, 100% 0, 100% 100%, calc(var(--b) + 12px) 100%); }
  .rk-hero__media::after { z-index: 1; background: var(--rk-red); clip-path: polygon(calc(var(--t) + 24px) 0, 100% 0, 100% 100%, calc(var(--b) + 24px) 100%); }
  .rk-hero__frame { clip-path: polygon(calc(var(--t) + 50px) 0, 100% 0, 100% 100%, calc(var(--b) + 50px) 100%); }
  [dir="rtl"] .rk-hero__media { clip-path: polygon(0 0, calc(100% - var(--t)) 0, calc(100% - var(--b)) 100%, 0 100%); }
  [dir="rtl"] .rk-hero__media::before { clip-path: polygon(0 0, calc(100% - var(--t) - 12px) 0, calc(100% - var(--b) - 12px) 100%, 0 100%); }
  [dir="rtl"] .rk-hero__media::after { clip-path: polygon(0 0, calc(100% - var(--t) - 24px) 0, calc(100% - var(--b) - 24px) 100%, 0 100%); }
  [dir="rtl"] .rk-hero__frame { clip-path: polygon(0 0, calc(100% - var(--t) - 50px) 0, calc(100% - var(--b) - 50px) 100%, 0 100%); }
}
.rk-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-start: 1.5rem; }
.rk-badge-cert { display: inline-flex; align-items: center; gap: .35rem; border: 1px solid #d9d9d4; border-radius: var(--rk-radius-sm); padding: .3rem .7rem; font-size: .8125rem; font-weight: 700; color: var(--rk-charcoal); background: #fff; }
.rk-badge-cert .bi { color: var(--rk-red); }

/* ---------- Brands strip ---------- */
.rk-brands { background: #fff; border-block: 1px solid var(--rk-line); padding-block: 1.5rem; }
.rk-brands .swiper-slide { display: flex; align-items: center; justify-content: center; height: 64px; }
.rk-brands img { max-height: 48px; width: auto; mix-blend-mode: multiply; transition: transform .3s var(--rk-ease); }
.rk-brands img:hover { transform: scale(1.06); }

/* ---------- Product card ---------- */
.rk-product-card { display: flex; flex-direction: column; height: 100%; border: 1px solid var(--rk-line); border-radius: var(--rk-radius); overflow: hidden; background: #fff; transition: border-color .15s; }
.rk-product-card:hover { border-color: var(--rk-red); }
.rk-product-card:hover h3 a { color: var(--rk-red); }
.rk-product-card__media { background: var(--rk-surface); aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.rk-product-card__media img { width: 100%; height: 100%; object-fit: contain; }
.rk-product-card__body { padding: 1.1rem 1.25rem 1.25rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.rk-product-card__body h3 { margin: 0; font-size: 1.0625rem; }
.rk-product-card__body h3 a { color: var(--rk-charcoal); text-decoration: none; }
.rk-product-card__body h3 a::after { content: ""; position: absolute; inset: 0; }
.rk-product-card { position: relative; }
.rk-product-card__body p { margin: 0; font-size: .9rem; }
.rk-product-card__specs { display: flex; flex-wrap: wrap; gap: .35rem; margin-block-start: auto; padding-block-start: .75rem; }
.rk-product-card--wide .rk-product-card__media { aspect-ratio: 16 / 10; }
.rk-spec-chip { display: inline-block; background: #efefec; color: var(--rk-charcoal); border-radius: var(--rk-radius-sm); font-size: .78rem; font-weight: 700; padding: .2rem .5rem; direction: ltr; unicode-bidi: isolate; }
.rk-cat-grid { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .rk-cat-grid { grid-template-columns: 1fr 1fr; } .rk-cat-grid > :first-child { grid-column: 1 / -1; } }
@media (min-width: 1200px) { .rk-cat-grid { grid-template-columns: 1.3fr 1fr 1fr; } .rk-cat-grid > :first-child { grid-column: auto; } }

/* ---------- Systems tabs (home) ---------- */
.rk-systems { display: grid; grid-template-columns: 1fr; border: 1px solid var(--rk-line); border-radius: var(--rk-radius); overflow: hidden; }
.rk-systems__tabs { display: flex; flex-direction: column; border-block-end: 1px solid var(--rk-line); }
.rk-systems__tab { all: unset; box-sizing: border-box; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: .95rem 1.25rem; border-block-end: 1px solid var(--rk-line); font-weight: 700; font-size: .9375rem; color: var(--rk-text); }
.rk-systems__tab:last-child { border-block-end: 0; }
.rk-systems__tab:hover { background: var(--rk-surface); }
.rk-systems__tab[aria-selected="true"] { background: var(--rk-charcoal); color: #fff; box-shadow: inset 4px 0 0 var(--rk-red); }
[dir="rtl"] .rk-systems__tab[aria-selected="true"] { box-shadow: inset -4px 0 0 var(--rk-red); }
.rk-systems__tab[aria-selected="true"] .bi { color: var(--rk-yellow); }
.rk-systems__tab:focus-visible { outline: 2px solid var(--rk-red); outline-offset: -2px; }
.rk-systems__panel { padding: 1.5rem; display: grid; gap: 1.5rem; align-items: center; }
.rk-systems__panel[hidden] { display: none; }
.rk-systems__panel img { background: var(--rk-surface); border-radius: var(--rk-radius-sm); width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.rk-std { display: inline-block; font-size: .78rem; font-weight: 700; color: var(--rk-red); border: 1px solid currentColor; border-radius: var(--rk-radius-sm); padding: .1rem .45rem; margin-block-end: .5rem; direction: ltr; }
@media (min-width: 992px) {
  .rk-systems { grid-template-columns: 300px 1fr; }
  .rk-systems__tabs { border-block-end: 0; border-inline-end: 1px solid var(--rk-line); }
  .rk-systems__panel { grid-template-columns: 1fr 1fr; padding: 2rem; }
}

/* ---------- Steps ---------- */
.rk-steps { display: grid; grid-template-columns: 1fr; gap: 1.75rem 1.5rem; list-style: none; padding: 0; margin: 0; }
.rk-steps li { position: relative; border-block-start: 2px solid var(--rk-charcoal); padding-block-start: 1.25rem; }
.rk-steps li::before { content: ""; position: absolute; inset-inline-start: 4px; inset-block-start: -5px; width: 44px; height: 8px; background: var(--rk-tri); transform: skewX(-24deg); }
[dir="rtl"] .rk-steps li::before { transform: scaleX(-1) skewX(-24deg); }
.rk-steps b { display: block; color: var(--rk-charcoal); font-size: 1.0625rem; margin-block-end: .25rem; }
.rk-steps .rk-step-no { font-size: .8125rem; color: var(--rk-red); font-weight: 800; direction: ltr; display: inline-block; }
.rk-steps p { margin: 0; font-size: .9375rem; }
@media (min-width: 768px) { .rk-steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .rk-steps { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Project card ---------- */
.rk-project-card { position: relative; height: 100%; }
.rk-project-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--rk-radius); background: #e4e4e0; }
.rk-project-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.rk-project-card:hover .rk-project-card__media img { transform: scale(1.03); }
.rk-project-card__body { padding-block: .9rem 0; }
.rk-project-card__body h3 { font-size: 1.0625rem; margin: 0 0 .25rem; }
.rk-project-card__body h3 a { color: var(--rk-charcoal); text-decoration: none; }
.rk-project-card:hover h3 a { color: var(--rk-red); }
.rk-project-card__body h3 a::after { content: ""; position: absolute; inset: 0; }
.rk-project-card__meta { font-size: .875rem; color: var(--rk-muted); display: flex; flex-wrap: wrap; gap: .25rem 1rem; }
.rk-sample-tag { position: absolute; inset-block-start: .75rem; inset-inline-start: .75rem; z-index: 1; background: var(--rk-yellow); color: var(--rk-charcoal); border-radius: var(--rk-radius-sm); font-size: .75rem; font-weight: 700; padding: .15rem .5rem; }

/* ---------- Maintenance band ---------- */
.rk-maint .rk-maint__list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: .1rem 2rem; }
.rk-maint .rk-maint__list li { display: flex; gap: .6rem; align-items: baseline; padding-block: .55rem; border-block-end: 1px solid rgba(255,255,255,.1); color: #fff; }
.rk-maint .rk-maint__list .bi { color: var(--rk-yellow); }
@media (min-width: 576px) { .rk-maint .rk-maint__list { grid-template-columns: 1fr 1fr; } }

/* ---------- Service grid (maintenance page) ---------- */
.rk-service { border: 1px solid var(--rk-line); border-radius: var(--rk-radius); height: 100%; display: flex; gap: 1rem; padding: 1rem; background: #fff; }
.rk-service img { flex: none; width: 120px; height: 90px; object-fit: cover; border-radius: var(--rk-radius-sm); background: var(--rk-surface); }
.rk-service__body { padding: 0; }
.rk-logo-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-block-start: 1px solid var(--rk-line); border-inline-start: 1px solid var(--rk-line); }
.rk-logo-grid > div { display: flex; align-items: center; justify-content: center; height: 96px; padding: 1rem; border-block-end: 1px solid var(--rk-line); border-inline-end: 1px solid var(--rk-line); background: #fff; }
.rk-logo-grid img { max-height: 48px; width: auto; max-width: 100%; mix-blend-mode: multiply; }
@media (min-width: 768px) { .rk-logo-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1200px) { .rk-logo-grid { grid-template-columns: repeat(6, 1fr); } }
.rk-service__body h3 { font-size: 1.0625rem; margin-block-end: .35rem; }
.rk-service__body p { margin: 0; font-size: .9375rem; }

/* ---------- Content blocks ---------- */
.rk-cols { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 992px) { .rk-cols--3 { grid-template-columns: repeat(3, 1fr); } .rk-cols--2 { grid-template-columns: 1fr 1fr; } }
.rk-col-block { position: relative; border-block-start: 2px solid var(--rk-charcoal); padding-block-start: 1.25rem; }
.rk-col-block::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: -2px; width: 56px; height: 2px; background: var(--rk-red); }
.rk-col-block h3 { margin-block-end: .5rem; }
.rk-col-block ul { padding-inline-start: 1.1rem; color: var(--rk-muted); margin: 0; }
/* Vertical red-orange-yellow edge on the side facing the text. */
.rk-media-frame { border-inline-start: 6px solid var(--rk-red); border-image: var(--rk-tri-v) 1; }
.rk-media-frame img { width: 100%; display: block; object-fit: cover; }
.rk-check-list { list-style: none; padding: 0; margin: 0; }
.rk-check-list li { display: flex; gap: .6rem; align-items: baseline; padding-block: .45rem; border-block-end: 1px solid var(--rk-line); }
.rk-check-list .bi { color: var(--rk-red); flex: none; }
.rk-section--dark .rk-check-list li { color: #fff; border-color: rgba(255,255,255,.1); }
.rk-section--dark .rk-check-list .bi { color: var(--rk-yellow); }
.rk-quote-block { border-inline-start: 4px solid var(--rk-red); border-image: var(--rk-tri-v) 1; padding-inline-start: 1.25rem; font-size: 1.0625rem; color: var(--rk-charcoal); }

/* ---------- Filters ---------- */
.rk-filters { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin-block-end: 1.75rem; padding-block-end: 1.25rem; border-block-end: 1px solid var(--rk-line); }
.rk-filter-group { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.rk-filter-group__label { font-size: .8125rem; font-weight: 700; color: var(--rk-muted); margin-inline-end: .35rem; }
.rk-filter-btn { all: unset; box-sizing: border-box; cursor: pointer; font-size: .875rem; font-weight: 700; padding: .35rem .8rem; border: 1px solid var(--rk-line); border-radius: var(--rk-radius-sm); color: var(--rk-text); background: #fff; }
.rk-filter-btn:hover { border-color: var(--rk-charcoal); }
.rk-filter-btn[aria-pressed="true"] { background: var(--rk-charcoal); border-color: var(--rk-charcoal); color: #fff; }
.rk-filter-btn:focus-visible { outline: 2px solid var(--rk-red); outline-offset: 2px; }
.rk-empty { border: 1px dashed #c8c8c2; border-radius: var(--rk-radius); padding: 2.5rem 1rem; text-align: center; color: var(--rk-muted); font-weight: 700; }

/* ---------- Spec table ---------- */
.rk-spec-table { margin: 0; font-size: .9rem; min-width: 560px; }
.rk-spec-table > :not(caption) > * > * { padding: .6rem .85rem; border-color: var(--rk-line); }
.rk-spec-table thead th { background: var(--rk-charcoal); color: #fff; font-weight: 700; white-space: nowrap; border-block-end: 3px solid var(--rk-red); }
.rk-spec-table tbody tr:nth-child(even) > * { background: var(--rk-surface); }
.rk-spec-table td.num, .rk-spec-table th.num { direction: ltr; text-align: end; font-variant-numeric: tabular-nums; }
.rk-spec-table caption { caption-side: top; color: var(--rk-charcoal); font-family: var(--rk-font-head); font-weight: 700; padding: .75rem .85rem; }
.rk-table-wrap { border: 1px solid var(--rk-line); border-radius: var(--rk-radius); }

/* ---------- Gallery / facts ---------- */
.rk-gallery__main { display: block; overflow: hidden; background: var(--rk-surface); border: 1px solid var(--rk-line); border-radius: var(--rk-radius); aspect-ratio: 4 / 3; }
.rk-gallery__main img { width: 100%; height: 100%; object-fit: contain; padding: 1rem; }
.rk-gallery__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin-block-start: .5rem; }
.rk-gallery__thumbs a { display: block; overflow: hidden; border: 1px solid var(--rk-line); border-radius: var(--rk-radius-sm); background: var(--rk-surface); aspect-ratio: 1; }
.rk-gallery__thumbs img { width: 100%; height: 100%; object-fit: contain; padding: .25rem; }
.rk-gallery__thumbs a:hover { border-color: var(--rk-charcoal); }
.rk-facts { border: 1px solid var(--rk-line); border-radius: var(--rk-radius); margin: 0; }
.rk-facts div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: .75rem 1rem; border-block-end: 1px solid var(--rk-line); }
.rk-facts div:last-child { border-block-end: 0; }
.rk-facts dt { color: var(--rk-muted); font-weight: 400; font-size: .9rem; }
.rk-facts dd { margin: 0; font-weight: 700; color: var(--rk-charcoal); }

/* ---------- Certificates ---------- */
.rk-cert { display: flex; flex-direction: column; height: 100%; overflow: hidden; border: 1px solid var(--rk-line); border-radius: var(--rk-radius); text-decoration: none; background: #fff; }
.rk-cert:hover { border-color: var(--rk-red); }
.rk-cert__media { aspect-ratio: 4 / 3; background: var(--rk-surface); display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.rk-cert__media img { max-height: 100%; width: auto; object-fit: contain; }
.rk-cert__media--pending { border: 1px dashed #c8c8c2; color: var(--rk-muted); font-size: .875rem; text-align: center; }
.rk-cert__body { padding: .85rem 1rem; }
.rk-cert__body h3 { font-size: 1rem; margin: 0; color: var(--rk-charcoal); }
.rk-cert__body p { margin: 0; font-size: .8125rem; }

/* ---------- Systems page side nav ---------- */
.rk-sidenav { position: sticky; top: calc(var(--rk-header-h) + 1rem); overflow: hidden; border: 1px solid var(--rk-line); border-radius: var(--rk-radius); }
.rk-sidenav .nav-link { display: flex; justify-content: space-between; color: var(--rk-text); font-weight: 700; padding: .85rem 1.1rem; border-block-end: 1px solid var(--rk-line); border-radius: 0; }
.rk-sidenav .nav-link:last-child { border-block-end: 0; }
.rk-sidenav .nav-link.active { background: var(--rk-charcoal); color: #fff; }
.rk-chipnav { display: flex; gap: .4rem; overflow-x: auto; padding-block: .75rem; position: sticky; top: 60px; background: #fff; z-index: 5; border-block-end: 1px solid var(--rk-line); }
.rk-chipnav .nav-link { white-space: nowrap; border: 1px solid var(--rk-line); padding: .35rem .8rem; font-size: .875rem; font-weight: 700; color: var(--rk-text); border-radius: var(--rk-radius-sm); }
.rk-chipnav .nav-link.active { background: var(--rk-charcoal); color: #fff; border-color: var(--rk-charcoal); }
.rk-system-section { padding-block: 2.5rem; border-block-end: 1px solid var(--rk-line); }
.rk-system-section:last-child { border-block-end: 0; }
.rk-system-section__imgs { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.rk-system-section__imgs img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: var(--rk-surface); border: 1px solid var(--rk-line); border-radius: var(--rk-radius); }

/* ---------- Forms ---------- */
.rk-form .form-label { font-weight: 700; font-size: .875rem; color: var(--rk-charcoal); margin-block-end: .35rem; }
.rk-form .form-label .req { color: var(--rk-red); }
.rk-form .form-control, .rk-form .form-select { border-radius: var(--rk-radius-sm); border-color: #d4d4cf; padding: .65rem .85rem; font-size: .9375rem; }
.rk-form .form-control:focus, .rk-form .form-select:focus { border-color: var(--rk-charcoal); box-shadow: 0 0 0 3px rgba(46, 49, 54, .12); }
.rk-form .is-invalid { border-color: var(--rk-red) !important; }
.rk-field-error { color: var(--rk-red); font-size: .8125rem; font-weight: 700; margin-block-start: .3rem; min-height: 0; }
.rk-field-error:empty { display: none; }
.rk-form-success { border: 1px solid var(--rk-success); border-inline-start-width: 4px; border-radius: var(--rk-radius-sm); background: #eef7f2; color: var(--rk-success); padding: 1rem 1.25rem; font-weight: 700; }
.rk-form-box { border: 1px solid var(--rk-line); border-radius: var(--rk-radius); padding: clamp(1.25rem, 3vw, 2rem); background: #fff; }
.rk-wizard fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.rk-wizard legend { font-size: 1.125rem; font-weight: 800; color: var(--rk-charcoal); margin-block-end: 1.25rem; }
.rk-wizard__steps { display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; padding: 0; margin: 0 0 2rem; border-block-end: 1px solid var(--rk-line); }
.rk-wizard__steps li { padding: .75rem .5rem; font-size: .875rem; font-weight: 700; color: var(--rk-muted); border-block-end: 3px solid transparent; margin-block-end: -1px; display: flex; gap: .5rem; align-items: center; }
.rk-wizard__steps li .rk-wizard__no { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border: 1px solid currentColor; border-radius: var(--rk-radius-sm); font-size: .8125rem; flex: none; }
.rk-wizard__steps li[aria-current="step"] .rk-wizard__no { background: var(--rk-red); border-color: var(--rk-red); color: #fff; }
.rk-wizard__steps li[aria-current="step"] { color: var(--rk-charcoal); border-block-end-color: var(--rk-red); }
.rk-wizard__steps li.is-done { color: var(--rk-success); }
.rk-wizard__nav { display: flex; justify-content: space-between; gap: .75rem; margin-block-start: 1.75rem; padding-block-start: 1.25rem; border-block-start: 1px solid var(--rk-line); }

/* ---------- Branch cards ---------- */
.rk-branch { border: 1px solid var(--rk-line); border-radius: var(--rk-radius); padding: 1.25rem; height: 100%; background: #fff; }
.rk-branch h3 { font-size: 1.0625rem; margin-block-end: .75rem; display: flex; justify-content: space-between; gap: .5rem; }
.rk-branch .rk-tag { font-size: .72rem; font-weight: 700; background: var(--rk-red); color: #fff; border-radius: var(--rk-radius-sm); padding: .1rem .45rem; align-self: center; }
.rk-branch ul { list-style: none; padding: 0; margin: 0; font-size: .9375rem; }
.rk-branch li { display: flex; gap: .6rem; padding-block: .3rem; }
.rk-branch .bi { color: var(--rk-red); }
.rk-branch a { color: var(--rk-text); text-decoration: none; }
.rk-branch a:hover { color: var(--rk-red); }
.rk-branch-list > div { padding-block: .85rem; border-block-end: 1px solid var(--rk-line); }
.rk-branch-list b { display: block; color: var(--rk-charcoal); }
.rk-branch-list a { color: var(--rk-muted); text-decoration: none; }
.rk-map { width: 100%; height: 360px; border: 1px solid var(--rk-line); border-radius: var(--rk-radius); display: block; }

/* ---------- Quote CTA + footer ---------- */
.rk-quote-cta { position: relative; isolation: isolate; overflow: hidden; background: var(--rk-surface) var(--rk-contour) no-repeat center / cover; padding-block: 2.75rem; }
.rk-quote-cta::before { content: ""; position: absolute; inset-inline: 0; inset-block-start: 0; height: 4px; background: var(--rk-tri); }
[dir="rtl"] .rk-quote-cta::before { transform: scaleX(-1); }
.rk-quote-cta .container { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1.25rem; }
.rk-quote-cta h2 { margin: 0; font-size: 1.375rem; }
.rk-quote-cta p { margin: .25rem 0 0; }
.rk-footer { position: relative; isolation: isolate; overflow: hidden; background: var(--rk-charcoal); color: #a3a6ab; font-size: .9rem; padding-block: 3rem 0; }
/* Angled brand stripes in the bottom end corner, as on the brand sheets. */
.rk-footer::after { content: ""; position: absolute; z-index: 1; pointer-events: none; inset-block-end: 0; inset-inline-end: -40px; width: clamp(120px, 18vw, 240px); height: 64px; background: linear-gradient(90deg, var(--rk-yellow) 0 10%, transparent 10% 16%, var(--rk-orange) 16% 30%, transparent 30% 36%, var(--rk-red) 36% 100%); transform: skewX(-30deg); transform-origin: bottom; }
[dir="rtl"] .rk-footer::after { transform: scaleX(-1) skewX(-30deg); }
.rk-footer h2 { color: #fff; font-size: 1rem; margin-block-end: 1rem; }
.rk-footer a { color: #c8cacd; text-decoration: none; }
.rk-footer a:hover { color: #fff; }
.rk-footer p { color: #a3a6ab; }
.rk-footer ul { list-style: none; padding: 0; margin: 0; }
.rk-footer li { padding-block: .25rem; }
.rk-footer .bi { color: var(--rk-yellow); }
/* The official logo on its black ground, kept as is. */
.rk-footer__logo { display: inline-block; background: var(--rk-black); border-radius: var(--rk-radius); overflow: hidden; margin-block-end: 1rem; }
.rk-footer__logo img { display: block; height: 64px; width: auto; }
.rk-footer__bottom { background: var(--rk-charcoal-deep); margin-block-start: 2.5rem; padding-block: 1.1rem; font-size: .8125rem; }
.rk-footer__bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem; padding-inline-end: clamp(130px, 19vw, 250px); }
.rk-wa { position: fixed; inset-inline-start: 1rem; inset-block-end: 1rem; z-index: 1040; width: 54px; height: 54px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; text-decoration: none; }
.rk-wa:hover { background: #1ebe5a; color: #fff; }

/* ---------- 404 ---------- */
.rk-404 { text-align: center; padding-block: clamp(4rem, 10vw, 7rem); }
.rk-404 .rk-404__code { font-size: clamp(4rem, 10vw, 7rem); font-weight: 800; color: var(--rk-red); line-height: 1; direction: ltr; }

/* ---------- Motion ----------
   One easing (--rk-ease), short distances, nothing loops. All of it is switched off under prefers-reduced-motion below. */
@keyframes rk-rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes rk-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes rk-settle { from { transform: scale(1.12); } to { transform: none; } }
@keyframes rk-slide-in { from { opacity: 0; transform: translateX(calc(60px * var(--rk-dir))); } to { opacity: 1; transform: none; } }
@keyframes rk-stripes-in { from { opacity: 0; transform: translateX(80px) skewX(-24deg); } to { opacity: 1; transform: skewX(-24deg); } }
@keyframes rk-stripes-in-rtl { from { opacity: 0; transform: scaleX(-1) translateX(80px) skewX(-24deg); } to { opacity: 1; transform: scaleX(-1) skewX(-24deg); } }
@keyframes rk-bar-in { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* Home hero: text lines rise one after another; the stripes and photos slide in from the outer edge. */
.rk-hero__text > div > * { animation: rk-rise .8s var(--rk-ease) backwards; }
.rk-hero__text > div > :nth-child(2) { animation-delay: .08s; }
.rk-hero__text > div > :nth-child(3) { animation-delay: .16s; }
.rk-hero__text > div > :nth-child(4) { animation-delay: .24s; }
.rk-hero__text > div > :nth-child(5) { animation-delay: .32s; }
.rk-hero__text > div > :nth-child(6) { animation-delay: .4s; }
.rk-hero__media { animation: rk-slide-in 1s var(--rk-ease) .1s backwards; }
.rk-hero__frame img { animation: rk-settle 1.6s var(--rk-ease) .1s backwards; }

/* Inner page header. */
.rk-page-header h1 { animation: rk-rise .7s var(--rk-ease) backwards; }
.rk-page-header .breadcrumb { animation: rk-rise .7s var(--rk-ease) .1s backwards; }
.rk-page-header::after { animation: rk-stripes-in 1s var(--rk-ease) .1s backwards; }
[dir="rtl"] .rk-page-header::after { animation-name: rk-stripes-in-rtl; }
.rk-page-header::before { transform-origin: left; animation: rk-bar-in 1.1s var(--rk-ease) .2s backwards; }
[dir="rtl"] .rk-page-header::before { transform-origin: right; }

/* Scroll reveal: main.js adds .rk-reveal to blocks that start below the fold, then .is-in when they scroll into view.
   Content above the fold is never hidden, and nothing is hidden at all without JavaScript. */
.rk-reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--rk-ease), transform .8s var(--rk-ease); transition-delay: calc(var(--rk-i, 0) * 80ms); }
.rk-reveal--zoom { transform: scale(.96); }
.rk-reveal--side { transform: translateX(calc(-32px * var(--rk-dir))); }
.rk-reveal.is-in { opacity: 1; transform: none; }

/* Hover: cards lift a little and their photo zooms; buttons press in. */
.rk-product-card, .rk-cert, .rk-service, .rk-branch { transition: border-color .2s, transform .4s var(--rk-ease); }
.rk-product-card:hover, .rk-cert:hover, .rk-service:hover, .rk-branch:hover { transform: translateY(-4px); }
.rk-product-card__media img, .rk-cert__media img { transition: transform .6s var(--rk-ease); }
.rk-product-card:hover .rk-product-card__media img, .rk-cert:hover .rk-cert__media img { transform: scale(1.04); }
.btn-rk, .btn-rk-outline { transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--rk-ease); }
.btn-rk:hover, .btn-rk-outline:hover { transform: translateY(-2px); }
.btn-rk:active, .btn-rk-outline:active { transform: none; }
.rk-systems__panel:not([hidden]) { animation: rk-rise .5s var(--rk-ease) both; }

/* Page-to-page: cross-fade the page while the header stays put (browsers with cross-document view transitions). */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
  .rk-header { view-transition-name: rk-header; }
  ::view-transition-old(root) { animation: .22s ease both rk-fade reverse; }
  ::view-transition-new(root) { animation: .38s ease .05s both rk-fade; }
}

@media (prefers-reduced-motion: reduce) {
  .rk-reveal { opacity: 1; transform: none; }
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
.rk-logo-grid--color img { max-height: 72px; }
.rk-spec-table--compact { min-width: 0; }
.rk-sysnav { display: flex; gap: .4rem; overflow-x: auto; padding-block: .25rem .75rem; margin-block-end: 1rem; border-block-end: 1px solid var(--rk-line); }
.rk-sysnav .nav-link { white-space: nowrap; border: 1px solid var(--rk-line); padding: .35rem .8rem; font-size: .875rem; font-weight: 700; color: var(--rk-text); border-radius: var(--rk-radius-sm); }
.rk-sysnav .nav-link.active { background: var(--rk-charcoal); border-color: var(--rk-charcoal); color: #fff; }
@media (min-width: 992px) {
  .rk-sysnav { position: sticky; top: calc(var(--rk-header-h) + 1rem); flex-direction: column; gap: 0; overflow: hidden; padding: 0; margin: 0; border: 1px solid var(--rk-line); border-radius: var(--rk-radius); }
  .rk-sysnav .nav-link { border: 0; border-block-end: 1px solid var(--rk-line); border-radius: 0; padding: .85rem 1.1rem; font-size: .9375rem; }
  .rk-sysnav .nav-link.active { box-shadow: inset 4px 0 0 var(--rk-red); }
  [dir="rtl"] .rk-sysnav .nav-link.active { box-shadow: inset -4px 0 0 var(--rk-red); }
  .rk-sysnav .nav-link:last-child { border-block-end: 0; }
}
.rk-wizard__steps li { min-width: 0; line-height: 1.3; }
@media (max-width: 575.98px) { .rk-wizard__steps li { flex-direction: column; align-items: flex-start; gap: .35rem; font-size: .8125rem; } }
/* Real workshop photos fill their frame instead of sitting on the grey product background. */
.rk-product-card__media--photo, .rk-gallery__main--photo { padding: 0; }
.rk-product-card__media--photo img, .rk-gallery__main--photo img { object-fit: cover; padding: 0; }
.rk-workshop { display: grid; gap: .75rem; grid-template-columns: repeat(2, 1fr); }
.rk-workshop a { display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--rk-radius); background: var(--rk-surface); }
.rk-workshop img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.rk-workshop a:hover img { transform: scale(1.03); }
@media (min-width: 992px) { .rk-workshop { grid-template-columns: repeat(3, 1fr); } }