/* ==========================================================================
   RHOTEK MATERIALS - design system
   Palette, type scale and component behaviour follow nokia.com;
   information architecture follows krempel.com
   ========================================================================== */

:root{
  /* Brand */
  --rt-blue:        #005AFF;   /* primary action / brand blue */
  --rt-blue-hover:  #0047CC;
  --rt-blue-deep:   #002AA9;   /* gradient start */
  --rt-blue-classic:#124191;
  --rt-teal:        #4BD1D1;   /* gradient mid */
  --rt-cyan:        #55EAF9;   /* gradient end */
  --rt-pale:        #E9F1FE;   /* pale blue section background */
  --rt-tint:        #E4F0FF;

  /* Ink */
  --rt-ink:      #0A0B0D;
  --rt-body:     #1D1E20;
  --rt-muted:    #6E6E6E;
  --rt-line:     #E3E3E3;
  --rt-line-soft:#EFEFEF;
  --rt-surface:  #F9F9F9;
  --rt-white:    #FFFFFF;

  --rt-gradient: linear-gradient(75deg, var(--rt-blue-deep) 6.47%, var(--rt-teal) 71.96%, var(--rt-cyan) 92.95%);

  /* Card thumbnails. A wider ramp than --rt-gradient: navy through saturated
     blue to a pale sky. Only ever a backdrop for an image or nothing at all —
     card text sits below the panel, so the light end costs no legibility.
     Deliberately not used on --rt-gradient surfaces that carry white text. */
  --rt-gradient-card: linear-gradient(90deg, #05295A 0%, #0A55AF 35%, #1069C8 55%, #4E92DA 78%, #9EC4E9 100%);

  /* Type. NokiaPureHeadline is listed first using the exact family name from
     Nokia's own stylesheet, so it is picked up automatically if the font is
     ever licensed and installed (locally or self-hosted). It is proprietary
     and cannot be redistributed, so in practice Be Vietnam Pro renders - the
     closest freely-licensable match. Swap this value to change the brand face. */
  --rt-font: NokiaPureHeadline, "Nokia Pure Headline", "Nokia Pure Text",
             "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;

  --rt-radius: 4px;
  /* Proportional, not fixed: at 1440px flat a 14-16" laptop (1366-1536 CSS px,
     which is what 1080p at 125% Windows scaling reports) fills ~95% of the
     screen edge to edge. 76vw keeps the same inset the 24" monitor gets, and
     the 1440px cap leaves large displays exactly as they were. */
  --rt-container: clamp(960px, 76vw, 1440px);
  --rt-gutter: 32px;
  --rt-section: clamp(48px, 5.3vw, 100px);
  --rt-header-h: 76px;

  --rt-shadow-sm: 0 1px 2px rgba(10,11,13,.06), 0 2px 8px rgba(10,11,13,.05);
  --rt-shadow-md: 0 4px 12px rgba(10,11,13,.07), 0 12px 32px rgba(10,11,13,.08);
  --rt-shadow-lg: 0 12px 28px rgba(10,11,13,.10), 0 32px 64px rgba(10,11,13,.10);
  --rt-ease: cubic-bezier(.2,.7,.3,1);
}

/* --------------------------------------------------------------- reset --- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--rt-font);
  font-weight:300;
  font-size:18px;
  line-height:1.6;
  color:var(--rt-body);
  background:var(--rt-white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg,video{max-width:100%;height:auto;display:block}
/* Safety net: an inline icon can never render at its intrinsic size. */
.rt-icon{width:1em;height:1em;flex:none}
a{color:var(--rt-blue);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit}
figure{margin:0}

h1,h2,h3,h4,h5{
  font-family:var(--rt-font);
  font-style:normal;
  font-weight:300;
  color:var(--rt-ink);
  letter-spacing:-.012em;
  margin:0 0 .5em;
}
h1{font-size:clamp(32px,3vw,56px);line-height:1.12}
h2{font-size:clamp(26px,2.35vw,44px);line-height:1.16}
h3{font-size:clamp(19px,1.3vw,24px);line-height:1.3}
h4{font-size:19px;line-height:1.4;font-weight:400}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
strong,b{font-weight:600;color:var(--rt-ink)}

::selection{background:var(--rt-pale);color:var(--rt-ink)}
:focus-visible{outline:2px solid var(--rt-blue);outline-offset:3px;border-radius:2px}

.rt-skip{position:absolute;top:-100px;left:16px;z-index:999;background:var(--rt-blue);color:#fff;padding:12px 18px;border-radius:var(--rt-radius)}
.rt-skip:focus{top:16px}
.rt-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ----------------------------------------------------------- layout ------ */
.rt-container{width:100%;max-width:var(--rt-container);margin-inline:auto;padding-inline:var(--rt-gutter)}
/* Edge-to-edge, like the nokia.com header and hero */
.rt-container--full{max-width:none;padding-inline:clamp(20px,3.2vw,60px)}
.rt-narrow{max-width:900px;margin-inline:auto}
.rt-section{padding-block:var(--rt-section)}
.rt-section--tight{padding-block:clamp(40px,4.5vw,64px)}
.rt-section--pale{background:var(--rt-pale)}
.rt-section--surface{background:var(--rt-pale)}
.rt-section--grey{background:var(--rt-surface)}
@media(max-width:600px){:root{--rt-gutter:20px}}

.rt-grid{display:grid;gap:32px}
.rt-grid--2{grid-template-columns:repeat(2,1fr)}
.rt-grid--3{grid-template-columns:repeat(3,1fr)}
.rt-grid--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.rt-grid--4{grid-template-columns:repeat(2,1fr)}.rt-grid--3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.rt-grid--2,.rt-grid--3,.rt-grid--4{grid-template-columns:1fr}}

/* -------------------------------------------------------- eyebrow/head --- */
.rt-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--rt-blue);margin-bottom:14px;
}
.rt-section-head{max-width:900px;margin-bottom:clamp(32px,3.5vw,52px)}
.rt-section-head p{color:var(--rt-body);font-size:19px}
.rt-section-head--center{margin-inline:auto;text-align:center}
.rt-section-head--center .rt-accent{margin-inline:auto}
.rt-lead{font-size:clamp(18px,1.2vw,22px);line-height:1.55;color:var(--rt-body)}
.rt-accent{width:56px;height:4px;background:var(--rt-blue);margin-bottom:22px}

/* ------------------------------------------------------------- buttons --- */
.rt-btn{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;line-height:1.2;
  padding:13px 20px;border-radius:var(--rt-radius);
  border:1px solid var(--rt-blue);background:var(--rt-blue);color:#fff;
  cursor:pointer;text-decoration:none;
  transition:background .2s var(--rt-ease),border-color .2s var(--rt-ease),color .2s var(--rt-ease);
}
.rt-btn:hover{background:var(--rt-blue-hover);border-color:var(--rt-blue-hover);color:#fff;text-decoration:none}
.rt-btn--ghost{background:transparent;color:var(--rt-blue)}
.rt-btn--ghost:hover{background:var(--rt-pale);color:var(--rt-blue-hover)}
.rt-btn--outline{background:transparent;color:var(--rt-blue)}
.rt-btn--outline:hover{background:var(--rt-blue);color:#fff}
.rt-btn--light{background:#fff;border-color:#fff;color:var(--rt-ink)}
.rt-btn--light:hover{background:rgba(255,255,255,.86);border-color:rgba(255,255,255,.86);color:var(--rt-ink)}
.rt-btn--outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.rt-btn--outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.rt-btn svg{width:16px;height:16px;flex:none}

/* Nokia's signature text link: label + arrow, no chrome */
.rt-link{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:400;color:var(--rt-blue)}
.rt-link svg{width:17px;height:17px;flex:none;transition:transform .2s var(--rt-ease)}
.rt-link:hover svg{transform:translateX(5px)}
.rt-link--light{color:#fff}

/* ==========================================================================
   HEADER
   ========================================================================== */
.rt-header{position:sticky;top:0;z-index:120;background:#fff;transition:background .3s var(--rt-ease),box-shadow .3s var(--rt-ease)}

/* Overlaid on the homepage hero until the page scrolls */
/* Over the hero: one row behind a translucent scrim so the nav stays legible
   on any image, with the utility strip hidden until the header goes solid. */
.rt-header--overlay{
  position:fixed;left:0;right:0;
  background:linear-gradient(180deg,rgba(8,12,24,.58) 0%,rgba(8,12,24,.40) 62%,rgba(8,12,24,.22) 100%);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.14);
}
.rt-header--overlay.is-stuck{backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:var(--rt-shadow-sm)}
.rt-header--overlay .rt-brand{color:#fff}
.rt-header--overlay .rt-nav__link{color:#fff}
.rt-header--overlay .rt-burger{color:#fff}
.rt-header--overlay.is-stuck{background:#fff;box-shadow:var(--rt-shadow-sm)}
.rt-header--overlay.is-stuck .rt-brand{color:var(--rt-blue)}
.rt-header--overlay.is-stuck .rt-nav__link{color:var(--rt-ink)}
.rt-header--overlay.is-stuck .rt-burger{color:var(--rt-ink)}
.rt-header:not(.rt-header--overlay).is-stuck{box-shadow:var(--rt-shadow-sm)}

.rt-search-toggle{display:inline-flex;align-items:center;gap:8px}

/* Contact CTA in the bar. Solid on white; outlined while over the hero so it
   does not fight the headline, then solid again once the header goes solid. */
.rt-bar__cta{margin-left:8px;padding:11px 18px;font-size:15px;white-space:nowrap}
.rt-header--overlay .rt-bar__cta{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.rt-header--overlay .rt-bar__cta:hover{background:#fff;border-color:#fff;color:var(--rt-ink)}
.rt-header--overlay.is-stuck .rt-bar__cta{background:var(--rt-blue);border-color:var(--rt-blue);color:#fff}
.rt-header--overlay.is-stuck .rt-bar__cta:hover{background:var(--rt-blue-hover);border-color:var(--rt-blue-hover)}
@media(max-width:1080px){.rt-bar__cta{display:none}}

/* 1fr auto 1fr keeps the nav optically centred regardless of logo width */
.rt-bar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:var(--rt-header-h)}
.rt-bar__actions{display:flex;align-items:center;justify-content:flex-end;gap:4px}
.rt-iconbtn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;background:none;border:0;cursor:pointer;
  color:var(--rt-ink);border-radius:var(--rt-radius);transition:color .3s var(--rt-ease),background .2s var(--rt-ease);
}
.rt-iconbtn:hover{color:var(--rt-blue);background:var(--rt-pale)}
.rt-iconbtn svg{width:21px;height:21px}
.rt-header--overlay .rt-iconbtn{color:#fff}
.rt-header--overlay .rt-iconbtn:hover{color:#fff;background:rgba(255,255,255,.16)}
.rt-header--overlay.is-stuck .rt-iconbtn{color:var(--rt-ink)}
.rt-header--overlay.is-stuck .rt-iconbtn:hover{color:var(--rt-blue);background:var(--rt-pale)}
@media(max-width:1080px){.rt-bar{grid-template-columns:auto 1fr}}
/* justify-self:start stops the link stretching across the whole 1fr grid
   column, which left ~110px of empty clickable box beside the wordmark. */
.rt-brand{display:inline-flex;align-items:center;justify-self:start;flex:none;color:var(--rt-blue);transition:color .3s var(--rt-ease)}
.rt-brand:hover{text-decoration:none}

/* Wordmark: bold geometric sans, set tight and optically spaced. Outfit has
   the circular O and flat-sided stems the Nokia logotype is built on. */
.rt-wordmark{
  font-family:Outfit,"Be Vietnam Pro",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-weight:600;
  font-size:26px;
  line-height:1;
  letter-spacing:.055em;
  /* uppercase already, but this keeps it correct if the string ever changes */
  text-transform:uppercase;
  white-space:nowrap;
  /* column so MATERIALS stacks under RHOTEK; the block stays 113px wide against
     the 173px the header grid allows, where one line would need 298px. */
  display:inline-flex;
  flex-direction:column;
  align-items:flex-start;
}
.rt-wordmark__sub{
  font-size:.385em;      /* relative, so every size below scales with the mark */
  font-weight:500;
  letter-spacing:.235em;
  margin-top:.19em;
  /* trailing letter-space would otherwise sit off the right edge */
  margin-right:-.235em;
  opacity:.92;
}
@media(max-width:600px){.rt-wordmark{font-size:22px}}

/* ------------------------------------------------------------- primary --- */
/* The mega panel anchors to <header> (sticky/fixed, so it is a positioned
   ancestor) rather than the centred container, letting the white panel run
   edge to edge while its content stays aligned in .rt-container. */
.rt-header__inner{position:static}
.rt-nav{display:flex;align-items:stretch;gap:6px;margin-inline:auto}
.rt-nav__item{position:static;display:flex}
.rt-nav__link{
  display:inline-flex;align-items:center;padding:0 22px;min-height:var(--rt-header-h);
  font-size:17px;font-weight:400;color:var(--rt-ink);
  border-bottom:3px solid transparent;transition:color .3s var(--rt-ease);
}
.rt-nav__link:hover,.rt-nav__item.is-open>.rt-nav__link{color:var(--rt-blue);border-bottom-color:var(--rt-blue);text-decoration:none}
.rt-header--overlay .rt-nav__link:hover,
.rt-header--overlay .rt-nav__item.is-open>.rt-nav__link{color:#fff;border-bottom-color:#fff}
.rt-header--overlay.is-stuck .rt-nav__link:hover,
.rt-header--overlay.is-stuck .rt-nav__item.is-open>.rt-nav__link{color:var(--rt-blue);border-bottom-color:var(--rt-blue)}
.rt-nav__item.current-menu-item>.rt-nav__link,
.rt-nav__item.current-menu-ancestor>.rt-nav__link,
.rt-nav__item.is-current>.rt-nav__link{color:var(--rt-blue);border-bottom-color:var(--rt-blue)}
@media(max-width:1080px){.rt-nav{display:none}}

/* --------------------------------------------------------------- mega ---- */
.rt-mega{
  position:absolute;top:100%;left:0;right:0;transform:translateY(8px);
  background:#fff;border-top:1px solid var(--rt-line-soft);
  box-shadow:var(--rt-shadow-lg);
  padding:40px 0 36px;opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s var(--rt-ease),transform .18s var(--rt-ease),visibility .18s;
}
.rt-nav__item.is-open>.rt-mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.rt-mega__cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px 44px}
.rt-mega__group>a,.rt-mega__title{
  display:block;font-size:15px;font-weight:600;color:var(--rt-ink);
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--rt-line);
}
.rt-mega__group>a:hover{color:var(--rt-blue);text-decoration:none}
.rt-mega ul{list-style:none;margin:0;padding:0;display:grid;gap:1px}
.rt-mega ul a{display:block;padding:7px 10px;margin-left:-10px;border-radius:var(--rt-radius);font-size:16px;font-weight:300;color:var(--rt-body)}
.rt-mega ul a:hover{background:var(--rt-pale);color:var(--rt-blue);text-decoration:none}
.rt-mega__foot{
  margin-top:32px;padding-top:22px;border-top:1px solid var(--rt-line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.rt-mega__foot p{margin:0;font-size:16px;color:var(--rt-muted);max-width:560px}

/* --------------------------------------------------------------- burger -- */
.rt-burger{display:none;align-items:center;gap:10px;background:none;border:0;cursor:pointer;color:var(--rt-ink);font-size:15px;font-weight:500;padding:10px 8px;transition:color .3s var(--rt-ease)}
.rt-header--overlay .rt-burger{color:#fff}
.rt-header--overlay.is-stuck .rt-burger{color:var(--rt-ink)}
@media(max-width:520px){.rt-burger__label{display:none}}
.rt-burger__lines{position:relative;width:22px;height:14px;flex:none}
.rt-burger__lines span{position:absolute;left:0;right:0;height:2px;background:currentColor;transition:transform .22s var(--rt-ease),opacity .22s}
.rt-burger__lines span:nth-child(1){top:0}
.rt-burger__lines span:nth-child(2){top:6px}
.rt-burger__lines span:nth-child(3){top:12px}
body.rt-menu-open .rt-burger__lines span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.rt-menu-open .rt-burger__lines span:nth-child(2){opacity:0}
body.rt-menu-open .rt-burger__lines span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:1080px){.rt-burger{display:inline-flex}}

/* ---------------------------------------------------------- mobile nav --- */
.rt-drawer{position:fixed;inset:0 0 0 auto;width:min(440px,100%);background:#fff;z-index:200;transform:translateX(100%);transition:transform .3s var(--rt-ease);display:flex;flex-direction:column;overflow-y:auto}
body.rt-menu-open .rt-drawer{transform:none}
.rt-drawer__head{display:flex;align-items:center;justify-content:space-between;padding:18px var(--rt-gutter);border-bottom:1px solid var(--rt-line);color:var(--rt-blue)}
.rt-drawer__head .rt-wordmark{font-size:26px}
.rt-drawer__close{background:none;border:0;font-size:26px;line-height:1;cursor:pointer;color:var(--rt-ink);padding:4px 8px}
.rt-drawer__body{padding:8px var(--rt-gutter) 40px}
.rt-drawer ul{list-style:none;margin:0;padding:0}
.rt-drawer__l1>li{border-bottom:1px solid var(--rt-line-soft)}
.rt-drawer__row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rt-drawer__row>a{flex:1;display:block;padding:16px 0;font-size:19px;font-weight:400;color:var(--rt-ink)}
.rt-drawer__row>a:hover{color:var(--rt-blue);text-decoration:none}
.rt-drawer__toggle{background:none;border:0;cursor:pointer;padding:14px 6px;color:var(--rt-muted);display:inline-flex}
.rt-drawer__toggle svg{width:16px;height:16px;transition:transform .2s var(--rt-ease)}
.rt-drawer__toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
.rt-drawer__sub{display:none;padding:0 0 14px 14px;border-left:2px solid var(--rt-pale);margin-left:2px}
.rt-drawer__sub.is-open{display:block}
.rt-drawer__sub a{display:block;padding:9px 0;font-size:16px;color:var(--rt-body)}
.rt-drawer__sub a:hover{color:var(--rt-blue);text-decoration:none}
.rt-drawer__sub-title{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--rt-muted);padding:12px 0 4px}
.rt-drawer__cta{margin-top:26px;display:grid;gap:10px}
.rt-scrim{position:fixed;inset:0;background:rgba(10,11,13,.5);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:190}
body.rt-menu-open .rt-scrim{opacity:1;visibility:visible}
body.rt-menu-open{overflow:hidden}

/* --------------------------------------------------------- search bar ---- */
/* Full-width overlay panel dropping from the header: one large rule-underlined
   field plus quick links, rather than a boxed input and a stock button. */
.rt-searchbar{
  position:absolute;top:100%;left:0;right:0;z-index:130;
  background:#fff;border-top:1px solid var(--rt-line-soft);
  box-shadow:0 24px 48px rgba(10,11,13,.14);
  padding:clamp(26px,3.2vw,46px) 0 clamp(24px,3vw,38px);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s var(--rt-ease),transform .22s var(--rt-ease),visibility .22s;
}
.rt-searchbar.is-open{opacity:1;visibility:visible;transform:none}

.rt-searchbar__head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}
.rt-searchbar__eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--rt-muted)}
.rt-searchbar__close{
  display:inline-flex;align-items:center;gap:10px;background:none;border:0;cursor:pointer;
  font-size:14px;color:var(--rt-muted);padding:6px 2px;
}
.rt-searchbar__close span:last-child{font-size:20px;line-height:1}
.rt-searchbar__close:hover{color:var(--rt-blue)}

.rt-searchform__field{
  display:flex;align-items:center;gap:18px;
  border-bottom:2px solid var(--rt-line);padding-bottom:14px;
  transition:border-color .2s var(--rt-ease);
}
.rt-searchform__field:focus-within{border-bottom-color:var(--rt-blue)}
.rt-searchform__icon{display:inline-flex;color:var(--rt-muted);transition:color .2s var(--rt-ease)}
.rt-searchform__field:focus-within .rt-searchform__icon{color:var(--rt-blue)}
.rt-searchform__icon svg{width:clamp(22px,2vw,28px);height:clamp(22px,2vw,28px)}
.rt-searchform input[type=search]{
  flex:1;min-width:0;border:0;background:none;padding:4px 0;
  font:inherit;font-weight:300;font-size:clamp(20px,1.8vw,34px);line-height:1.25;
  color:var(--rt-ink);letter-spacing:-.01em;
}
.rt-searchform input[type=search]::placeholder{color:#A9AAAD}
.rt-searchform input[type=search]:focus{outline:none}
.rt-searchform input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
.rt-searchform__go{
  display:inline-flex;align-items:center;gap:9px;flex:none;cursor:pointer;
  background:none;border:0;padding:8px 2px;
  font-size:16px;font-weight:600;color:var(--rt-blue);
}
.rt-searchform__go svg{width:16px;height:16px;transition:transform .2s var(--rt-ease)}
.rt-searchform__go:hover svg{transform:translateX(5px)}
@media(max-width:560px){.rt-searchform__go span{display:none}}

.rt-suggest{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}
.rt-suggest__label{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--rt-muted);margin-right:4px}
.rt-suggest a{
  display:inline-flex;padding:8px 16px;border-radius:100px;
  border:1px solid var(--rt-line);font-size:15px;color:var(--rt-body);background:#fff;
  transition:border-color .18s var(--rt-ease),color .18s var(--rt-ease),background .18s var(--rt-ease);
}
.rt-suggest a:hover{border-color:var(--rt-blue);color:var(--rt-blue);background:var(--rt-pale);text-decoration:none}

.rt-search-scrim{position:fixed;inset:0;background:rgba(10,11,13,.42);opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;z-index:110}
body.rt-search-open .rt-search-scrim{opacity:1;visibility:visible}
/* the header itself must read as solid while the panel is open */
body.rt-search-open .rt-header--overlay{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:var(--rt-shadow-sm)}
body.rt-search-open .rt-header--overlay .rt-brand{color:var(--rt-blue)}
body.rt-search-open .rt-header--overlay .rt-nav__link,
body.rt-search-open .rt-header--overlay .rt-iconbtn,
body.rt-search-open .rt-header--overlay .rt-burger{color:var(--rt-ink)}

/* ==========================================================================
   HOME HERO - full-bleed rotating slides with tab cards (nokia.com pattern)
   ========================================================================== */
/* Fills the viewport, so no dead strip is left under the hero above the fold. */
.rt-homehero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;background:var(--rt-ink);overflow:hidden}
.rt-homehero__slides{position:absolute;inset:0}
.rt-homehero__slide{position:absolute;inset:0;opacity:0;transition:opacity .9s var(--rt-ease)}
.rt-homehero__slide.is-active{opacity:1}
.rt-homehero__slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rt-homehero__slide--gradient{background:var(--rt-gradient)}
/* Text runs well past the halfway point, so the scrim holds its density
   further across than a typical hero overlay. */
.rt-homehero__slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,10,26,.86) 0%,rgba(6,10,26,.72) 38%,rgba(6,10,26,.44) 66%,rgba(6,10,26,.22) 100%);
}
/* Without photography the flat wash reads cheap, so the gradient slides get a
   deep scrim on the text side for contrast and depth. */
.rt-homehero__slide--gradient::after{
  background:
    radial-gradient(120% 90% at 88% 18%, rgba(255,255,255,.16) 0%, transparent 55%),
    linear-gradient(100deg, rgba(2,7,32,.88) 0%, rgba(2,7,32,.62) 34%, rgba(2,7,32,.22) 62%, rgba(2,7,32,.06) 100%);
}

.rt-homehero__body{position:relative;z-index:3;padding-top:calc(var(--rt-header-h) + 120px);padding-bottom:56px;flex:1;display:flex;align-items:center}
.rt-homehero__panel{opacity:0;position:absolute;pointer-events:none;transition:opacity .5s var(--rt-ease)}
.rt-homehero__panel.is-active{opacity:1;position:relative;pointer-events:auto}
/* balance stops a short tail word (a unit, say) orphaning on its own line */
.rt-homehero__panel h1{
  color:#fff;font-weight:300;font-size:clamp(32px,3.3vw,62px);line-height:1.14;
  max-width:24ch;margin:0 0 22px;letter-spacing:-.015em;
  text-wrap:balance;
  text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.rt-homehero__panel p{
  color:rgba(255,255,255,.92);font-size:clamp(16px,1.05vw,20px);max-width:52ch;margin:0 0 28px;
  text-wrap:pretty;text-shadow:0 1px 12px rgba(0,0,0,.35);
}
.rt-homehero__cta{display:inline-flex;align-items:center;gap:12px;color:#fff;font-size:19px;font-weight:600}
.rt-homehero__cta svg{width:20px;height:20px;transition:transform .2s var(--rt-ease)}
.rt-homehero__cta:hover{text-decoration:none}
.rt-homehero__cta:hover svg{transform:translateX(6px)}

.rt-homehero__tabs{position:relative;z-index:3;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;padding-bottom:34px}
.rt-homehero__tab{
  position:relative;overflow:hidden;text-align:center;cursor:pointer;
  background:rgba(38,38,40,.82);border:0;
  color:#fff;font-size:16px;font-weight:600;line-height:1.35;
  padding:20px 18px 22px;border-radius:var(--rt-radius);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  transition:background .25s var(--rt-ease),color .25s var(--rt-ease);
}
.rt-homehero__tab:hover{background:rgba(58,58,60,.9)}
.rt-homehero__tab.is-active{background:#fff;color:var(--rt-ink)}
.rt-homehero__tab.is-active:hover{background:#fff}
.rt-homehero__bar{position:absolute;left:0;bottom:0;height:4px;width:0;background:var(--rt-blue)}
.rt-homehero__tab.is-active .rt-homehero__bar{animation:rt-progress var(--rt-slide-ms,7000ms) linear forwards}
.rt-homehero.is-paused .rt-homehero__tab.is-active .rt-homehero__bar{animation-play-state:paused}
@keyframes rt-progress{from{width:0}to{width:100%}}
@media(prefers-reduced-motion:reduce){
  .rt-homehero__tab.is-active .rt-homehero__bar{animation:none;width:100%}
}
/* Next control: mobile only, sitting at the right edge of the tab strip */
.rt-homehero__tabwrap{position:relative}
.rt-homehero__next{
  display:none;position:absolute;right:var(--rt-gutter);bottom:56px;z-index:4;
  width:44px;height:44px;border:0;border-radius:50%;cursor:pointer;
  background:rgba(12,16,28,.72);color:#fff;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  align-items:center;justify-content:center;
}
.rt-homehero__next svg{width:20px;height:20px;transform:rotate(-90deg)}

@media(max-width:820px){
  .rt-homehero__body{padding-top:calc(var(--rt-header-h) + 56px);padding-bottom:32px;align-items:flex-start}
  .rt-homehero__next{display:inline-flex}

  /* Horizontal snap strip: the active card sits centred with its neighbours
     peeking, rather than a fixed grid of equal tiles. */
  /* Sized in vw, not %: a percentage flex-basis resolves against the padded
     content box, which made the cards far narrower than intended.
     14 + 72 + 14 = 100vw, so the active card sits centred with both
     neighbours peeking. */
  .rt-homehero__tabs{
    display:flex;grid-template-columns:none;gap:10px;
    overflow-x:auto;overscroll-behavior-x:contain;
    scroll-snap-type:x mandatory;scroll-behavior:smooth;
    scroll-padding-inline:14vw;
    padding:0 14vw 30px;
    margin-inline:calc(var(--rt-gutter) * -1);
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .rt-homehero__tabs::-webkit-scrollbar{display:none}
  .rt-homehero__tab{
    flex:0 0 72vw;scroll-snap-align:center;
    font-size:14.5px;padding:17px 14px 19px;
  }
}
@media(max-width:820px) and (prefers-reduced-motion:reduce){
  .rt-homehero__tabs{scroll-behavior:auto}
}

/* ==========================================================================
   INNER PAGE HERO - Krempel overlapping card
   ========================================================================== */
/* One solid band: media fills it, content sits centred on top. No negative
   margins, so it cannot break at any width or with a missing image. */
.rt-hero{position:relative;background:var(--rt-ink);display:grid;isolation:isolate}
.rt-hero__media{grid-area:1/1;position:relative;overflow:hidden}
.rt-hero__media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.rt-hero__media--gradient{background:var(--rt-gradient)}
.rt-hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,20,.62) 0%,rgba(8,10,20,.48) 55%,rgba(8,10,20,.66) 100%)}
.rt-hero__media--gradient::after{background:linear-gradient(180deg,rgba(4,8,30,.30) 0%,rgba(4,8,30,.12) 55%,rgba(4,8,30,.34) 100%)}
.rt-hero__body{
  grid-area:1/1;position:relative;z-index:2;
  display:flex;align-items:center;
  min-height:clamp(300px,32vw,440px);
  padding-block:clamp(64px,8vw,112px);
}
.rt-hero__card{max-width:920px;margin-inline:auto;text-align:center;width:100%}
.rt-hero__card h1{margin-bottom:.35em;color:#fff}
.rt-hero__sub{font-size:clamp(18px,1.4vw,26px);line-height:1.3;font-weight:400;color:#fff;margin:0 0 18px;letter-spacing:-.005em}
.rt-hero__intro{color:rgba(255,255,255,.86);font-size:18px;max-width:760px;margin-inline:auto}
.rt-hero__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ==================================================== breadcrumb ========== */
.rt-crumbs{border-bottom:1px solid var(--rt-line-soft);background:#fff}
.rt-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:16px 0;font-size:14px}
.rt-crumbs a{color:var(--rt-muted);font-weight:400}
.rt-crumbs a:hover{color:var(--rt-blue)}
.rt-crumbs li[aria-current]{color:var(--rt-ink)}
.rt-crumbs li+li::before{content:"/";margin-right:8px;color:#C9C9C9}

/* ==================================================== prose =============== */
.rt-prose{max-width:880px}
.rt-prose--center{margin-inline:auto}
.rt-prose h2{margin-top:2em}
.rt-prose h2:first-child{margin-top:0}
.rt-prose h3{margin-top:1.6em;font-weight:400}
.rt-prose ul,.rt-prose ol{margin:0 0 1.3em;padding-left:0;list-style:none}
.rt-prose ol{counter-reset:rt}
.rt-prose ul li,.rt-prose ol li{position:relative;padding-left:30px;margin-bottom:11px}
.rt-prose ul li::before{content:"";position:absolute;left:2px;top:.62em;width:9px;height:9px;border-radius:50%;background:var(--rt-blue)}
.rt-prose ol li{counter-increment:rt}
.rt-prose ol li::before{content:counter(rt);position:absolute;left:0;top:.05em;width:22px;height:22px;border-radius:50%;background:var(--rt-pale);color:var(--rt-blue);font-size:12px;font-weight:700;display:grid;place-items:center}
.rt-prose blockquote{margin:2em 0;padding:4px 0 4px 26px;border-left:4px solid var(--rt-blue);font-size:22px;line-height:1.45;color:var(--rt-ink)}
.rt-prose img{margin:2em 0}
.rt-prose a{text-decoration:underline;text-underline-offset:3px}

/* ==================================================== tables ============== */
.rt-tablewrap{overflow-x:auto;border:1px solid var(--rt-line);border-radius:var(--rt-radius);background:#fff}
table.rt-table{width:100%;border-collapse:collapse;font-size:16px;min-width:680px}
table.rt-table thead th{background:var(--rt-ink);color:#fff;text-align:left;font-weight:600;font-size:13px;letter-spacing:.06em;text-transform:uppercase;padding:15px 18px}
table.rt-table td,table.rt-table tbody th{padding:16px 18px;border-top:1px solid var(--rt-line-soft);vertical-align:top;text-align:left}
/* Explicit background: the generic .rt-prose table th rule below also matches
   these cells and would otherwise paint them ink-on-ink (invisible text). */
table.rt-table tbody th{background:#fff;font-weight:600;font-size:16px;text-transform:none;letter-spacing:normal;color:var(--rt-ink);white-space:nowrap}
table.rt-table tbody tr:hover th{background:var(--rt-pale)}
table.rt-table tbody tr:hover{background:var(--rt-pale)}
/* Scoped away from .rt-table so it only styles plain editor tables. */
.rt-prose table:not(.rt-table){width:100%;border-collapse:collapse;font-size:16px}
.rt-prose table:not(.rt-table) th{background:var(--rt-ink);color:#fff;text-align:left;padding:14px 16px;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.rt-prose table:not(.rt-table) td{padding:15px 16px;border-top:1px solid var(--rt-line-soft)}

/* ==================================================== cards =============== */
/* Nokia card: image, blue arrow-link title, grey copy. No box, no border. */
.rt-card{display:flex;flex-direction:column;gap:14px;height:100%;color:inherit}
a.rt-card:hover{text-decoration:none}
.rt-card__media{position:relative;aspect-ratio:16/10;background:var(--rt-gradient-card);overflow:hidden;border-radius:var(--rt-radius)}
.rt-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--rt-ease)}
a.rt-card:hover .rt-card__media img{transform:scale(1.045)}
.rt-card__body{display:flex;flex-direction:column;flex:1;gap:8px}
.rt-card__meta{font-size:13px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--rt-muted)}
.rt-card h3{font-size:22px;margin:0;font-weight:400;color:var(--rt-blue);display:flex;align-items:baseline;gap:10px}
.rt-card h3 svg{width:17px;height:17px;flex:none;transform:translateY(2px);transition:transform .2s var(--rt-ease)}
a.rt-card:hover h3{text-decoration:underline;text-underline-offset:3px}
a.rt-card:hover h3 svg{transform:translate(5px,2px)}
.rt-card p{color:var(--rt-body);font-size:16.5px;margin:0}

/* Schematic sector art: brand gradient ground + drafting grid, line art on top.
   Grid and gradient live here rather than in the SVG so several diagrams can
   share a page without <defs> ID collisions. */
.rt-art{
  position:absolute;inset:0;display:block;
  color:rgba(255,255,255,.92);
  background:
    repeating-linear-gradient(0deg,  rgba(255,255,255,.075) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.075) 0 1px, transparent 1px 44px),
    var(--rt-gradient);
}
.rt-art__svg{width:100%;height:100%;display:block}
.rt-solcard--art::after{background:linear-gradient(180deg,rgba(4,10,28,0) 42%,rgba(4,10,28,.72) 100%)}
.rt-solcard--art .rt-art{transition:transform .5s var(--rt-ease)}
.rt-solcard--art:hover .rt-art{transform:scale(1.03)}

/* Solution tile - image with wash + label */
.rt-solcard{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;border-radius:var(--rt-radius);background:var(--rt-blue-classic)}
.rt-solcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--rt-ease)}
.rt-solcard::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,13,0) 35%,rgba(10,11,13,.78) 100%)}
.rt-solcard:hover img{transform:scale(1.05)}
.rt-solcard:hover{text-decoration:none}
.rt-solcard__label{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px;color:#fff;font-size:20px;font-weight:400;display:flex;align-items:center;justify-content:space-between;gap:12px}
.rt-solcard__label svg{width:16px;height:16px;flex:none;transition:transform .2s var(--rt-ease)}
.rt-solcard:hover .rt-solcard__label svg{transform:translateX(4px)}

/* Benefit card */
.rt-benefit{background:#fff;border-radius:var(--rt-radius);padding:32px 30px;height:100%}
.rt-benefit__num{width:44px;height:44px;border-radius:var(--rt-radius);background:var(--rt-pale);color:var(--rt-blue);display:grid;place-items:center;font-weight:700;font-size:17px;margin-bottom:20px}
.rt-benefit h3{font-size:21px;font-weight:400;margin-bottom:.45em;color:var(--rt-ink)}
.rt-benefit p{color:var(--rt-body);font-size:16.5px;margin:0}

/* Stat strip */
/* minmax(0,1fr) not 1fr: a non-wrapping figure like "+400 °C" would otherwise
   force its column wider than its neighbours. */
.rt-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--rt-line)}
.rt-stat{background:#fff;padding:32px 28px}
/* Ink, not blue: a row of large blue figures dominated the page and left no
   colour weight for the actual calls to action. */
.rt-stat__n{font-size:clamp(28px,2.45vw,46px);line-height:1;font-weight:300;color:var(--rt-ink);margin-bottom:10px}
.rt-stat__l{font-size:15.5px;color:var(--rt-muted)}
@media(max-width:820px){.rt-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){
  .rt-stat{padding:22px 18px}
  .rt-stat__n{font-size:clamp(25px,7.2vw,32px)}
  .rt-stat__l{font-size:14px}
}

/* Feature split */
.rt-split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.rt-split__media img{width:100%;border-radius:var(--rt-radius)}
.rt-split__media--gradient{aspect-ratio:4/3;background:var(--rt-gradient);border-radius:var(--rt-radius)}
@media(max-width:900px){.rt-split{grid-template-columns:1fr}}

/* Spec list */
.rt-specs{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.rt-spec{border:1px solid var(--rt-line);border-radius:var(--rt-radius);padding:26px;background:#fff}
.rt-spec h4{margin:0 0 14px;font-size:17px;font-weight:600;color:var(--rt-ink)}
.rt-spec ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.rt-spec li{display:flex;align-items:baseline;gap:10px;font-size:16px;color:var(--rt-body)}
.rt-spec li::before{content:"";width:6px;height:6px;background:var(--rt-blue);border-radius:50%;flex:none;transform:translateY(-2px)}
.rt-spec code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;color:var(--rt-ink);font-weight:500}
@media(max-width:680px){.rt-specs{grid-template-columns:1fr}}

/* News list */
.rt-newsitem{display:grid;grid-template-columns:150px 1fr;gap:26px;padding:26px 0;border-top:1px solid var(--rt-line-soft);align-items:start}
.rt-newsitem:first-child{border-top:0}
.rt-newsitem__date{font-size:14px;color:var(--rt-muted);letter-spacing:.04em;padding-top:6px}
.rt-newsitem h3{font-size:23px;margin:0 0 8px;font-weight:400}
.rt-newsitem h3 a{color:var(--rt-blue)}
.rt-newsitem p{color:var(--rt-body);font-size:16.5px;margin:0 0 10px}
@media(max-width:680px){.rt-newsitem{grid-template-columns:1fr;gap:8px}}

/* Events */
.rt-event{display:grid;grid-template-columns:96px 1fr auto;gap:22px;align-items:center;padding:20px 0;border-top:1px solid var(--rt-line-soft)}
.rt-event__date{background:var(--rt-pale);border-radius:var(--rt-radius);text-align:center;padding:12px 8px}
.rt-event__d{display:block;font-size:24px;font-weight:400;color:var(--rt-blue);line-height:1}
.rt-event__m{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--rt-blue);margin-top:4px}
.rt-event h3{font-size:19px;margin:0 0 4px;font-weight:400}
.rt-event p{font-size:15px;color:var(--rt-muted);margin:0}
@media(max-width:680px){.rt-event{grid-template-columns:76px 1fr}.rt-event .rt-link{grid-column:2}}

/* CTA band (kept for inner pages) */
.rt-cta{background:var(--rt-gradient);color:#fff;border-radius:var(--rt-radius);padding:clamp(36px,5vw,64px);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.rt-cta h2{color:#fff;margin:0 0 10px;max-width:22ch}
.rt-cta p{color:rgba(255,255,255,.92);margin:0;max-width:52ch}

/* CTA cards - one gradient primary, the rest quiet, so there is a clear
   first action rather than three competing banners. */
.rt-ctacards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:980px){.rt-ctacards{grid-template-columns:1fr 1fr}}
@media(max-width:660px){.rt-ctacards{grid-template-columns:1fr}}

.rt-ctacard{
  display:flex;flex-direction:column;gap:10px;height:100%;
  padding:clamp(28px,2.6vw,38px) clamp(24px,2.2vw,34px) clamp(26px,2.4vw,34px);
  border:1px solid var(--rt-line);border-radius:var(--rt-radius);background:#fff;
  color:var(--rt-body);
  transition:transform .25s var(--rt-ease),box-shadow .25s var(--rt-ease),border-color .25s var(--rt-ease);
}
.rt-ctacard:hover{text-decoration:none;transform:translateY(-4px);box-shadow:var(--rt-shadow-md);border-color:transparent}
.rt-ctacard__meta{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--rt-muted)}
.rt-ctacard h3{font-size:clamp(20px,1.4vw,26px);font-weight:400;margin:0;color:var(--rt-ink)}
.rt-ctacard p{font-size:16.5px;margin:0;color:var(--rt-body)}
.rt-ctacard__go{
  margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:9px;
  font-size:16px;font-weight:600;color:var(--rt-blue);
}
.rt-ctacard__go svg{width:16px;height:16px;transition:transform .2s var(--rt-ease)}
.rt-ctacard:hover .rt-ctacard__go svg{transform:translateX(5px)}

/* A gradient background defaults to background-origin:padding-box while being
   clipped to border-box, so the 1px transparent border ring falls outside the
   painted gradient and gets filled by the repeat — showing the gradient's dark
   start colour as a line down the edge. Paint from the border box instead. */
.rt-ctacard--primary{
  background:var(--rt-gradient);
  background-origin:border-box;
  background-repeat:no-repeat;
  border-color:transparent;
  color:#fff;
}
.rt-ctacard--primary .rt-ctacard__meta{color:rgba(255,255,255,.78)}
.rt-ctacard--primary h3{color:#fff}
.rt-ctacard--primary p{color:rgba(255,255,255,.92)}
.rt-ctacard--primary .rt-ctacard__go{color:#fff}

/* ==================================================== contact form ======== */
.rt-form{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.rt-field{display:flex;flex-direction:column;gap:8px}
.rt-field--full{grid-column:1/-1}
.rt-field label{font-size:14px;font-weight:600;color:var(--rt-ink)}
.rt-field label .req{color:var(--rt-blue)}
.rt-field input,.rt-field select,.rt-field textarea{font:inherit;font-size:17px;padding:13px 15px;border:1px solid var(--rt-line);border-radius:var(--rt-radius);background:#fff;color:var(--rt-ink);width:100%;transition:border-color .18s,box-shadow .18s}
.rt-field textarea{min-height:150px;resize:vertical}
.rt-field input:focus,.rt-field select:focus,.rt-field textarea:focus{outline:none;border-color:var(--rt-blue);box-shadow:0 0 0 3px rgba(0,90,255,.15)}
.rt-consent{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--rt-muted);grid-column:1/-1}
.rt-consent input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--rt-blue)}
.rt-form__actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.rt-formnote{font-size:14px;color:var(--rt-muted)}
.rt-alert{grid-column:1/-1;padding:15px 18px;border-radius:var(--rt-radius);font-size:16px}
.rt-alert--ok{background:var(--rt-pale);color:var(--rt-blue-deep);border:1px solid rgba(0,90,255,.25)}
.rt-alert--err{background:#FFF1F1;color:#A3221F;border:1px solid #F3C8C7}
.rt-hp{position:absolute;left:-9999px}
@media(max-width:680px){.rt-form{grid-template-columns:1fr}}

.rt-contact-split{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(32px,5vw,72px);align-items:start}
@media(max-width:900px){.rt-contact-split{grid-template-columns:1fr}}
.rt-contact-info dl{margin:22px 0 0;display:grid;gap:18px}
.rt-contact-info dt{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--rt-muted);font-weight:600;margin-bottom:3px}
.rt-contact-info dd{margin:0;font-size:17px;color:var(--rt-ink)}

/* ==================================================== pagination ========== */
.rt-pagination{display:flex;gap:8px;justify-content:center;margin-top:52px;flex-wrap:wrap}
.rt-pagination .page-numbers{display:inline-grid;place-items:center;min-width:44px;height:44px;padding:0 12px;border:1px solid var(--rt-line);border-radius:var(--rt-radius);color:var(--rt-body);font-size:16px}
.rt-pagination .page-numbers:hover{border-color:var(--rt-blue);color:var(--rt-blue);text-decoration:none}
.rt-pagination .page-numbers.current{background:var(--rt-blue);border-color:var(--rt-blue);color:#fff}

/* ==========================================================================
   FOOTER - light, like nokia.com
   ========================================================================== */
/* Dark footer on the palette's deepest tone, so the page is book-ended by the
   dark hero and closes on weight rather than fading out on white. The base
   follows --rt-blue-deep, which is dark in every palette. */
/* Horizontal blue gradient, deep on the left running brighter to the right.
   The bright end stops at #0A4A93: past that the muted text drops below 4.5:1,
   and the footer carries a lot of small type. */
.rt-footer{
  position:relative;
  /* Wide ramp: near-black navy to the brightest blue that still carries text.
     #115EAF is the ceiling — every footer tone sits directly on this, and the
     rightmost column lands on the bright end, so anything lighter forces the
     whole palette to near-white and kills the accent. */
  background:linear-gradient(100deg,
    #01162F 0%,
    #06356E 38%,
    #0C509A 70%,
    #115EAF 100%);
  color:#E8EFF7;
  font-size:16px;
  padding-top:clamp(52px,6vw,78px);
}
.rt-footer .rt-btn--outline{border-color:rgba(255,255,255,.45);color:#fff}
.rt-footer .rt-btn--outline:hover{background:#fff;border-color:#fff;color:var(--rt-ink)}
.rt-footer__top{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr 1.05fr;gap:36px;padding-bottom:56px}
.rt-footer h4{color:#fff;font-size:16px;font-weight:600;margin:0 0 18px}
.rt-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.rt-footer a{color:#E8EFF7;font-weight:300}
.rt-footer a:hover{color:#fff;text-decoration:none}
.rt-footer__brand{color:#fff}
.rt-footer__brand .rt-wordmark{font-size:31px;margin-bottom:20px}
/* The slogan carries the brand line the hero no longer does. White at 20px so
   it reads as a statement rather than more body copy. */
/* Qualified with .rt-footer__brand: the bare class (0,1,0) loses to
   `.rt-footer__brand p` (0,1,1) and the slogan renders as body copy. */
.rt-footer__brand p.rt-footer__slogan{
  font-size:20px;font-weight:300;line-height:1.3;color:#fff;
  max-width:20ch;margin:0 0 18px;
}
.rt-footer__brand p{max-width:32ch;color:#D6E1EF;font-size:15.5px}
.rt-footer address{font-style:normal;line-height:1.7;color:#D6E1EF;font-size:15.5px;margin-top:18px}
.rt-footer__blue ul a{color:#CFE2F8;font-weight:500}
.rt-footer__blue ul a:hover{color:#fff;text-decoration:underline}
.rt-social{display:flex;gap:12px;margin-top:22px}
.rt-social a{
  display:grid;place-items:center;width:38px;height:38px;color:#E8EFF7;
  border:1px solid rgba(255,255,255,.18);border-radius:var(--rt-radius);
  transition:background .2s var(--rt-ease),border-color .2s var(--rt-ease),color .2s var(--rt-ease);
}
.rt-social a:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4)}
.rt-social svg{width:19px;height:19px}
.rt-footer__bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:14px;color:#D6E1EF}
.rt-footer ul.rt-footer__legal{display:flex;gap:26px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.rt-footer__legal a{color:#CFE2F8;font-size:14px}
.rt-footer__legal a:hover{color:#fff}
@media(max-width:1100px){.rt-footer__top{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.rt-footer__top{grid-template-columns:repeat(2,1fr);gap:32px}}
@media(max-width:520px){.rt-footer__top{grid-template-columns:1fr}}

/* ==================================================== misc =============== */
.rt-reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--rt-ease),transform .6s var(--rt-ease)}
.rt-reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .rt-reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ==========================================================================
   Palette adjustment: when the interactive colour is near-black rather than a
   hue, links need an underline to stay distinguishable from body text.
   ========================================================================== */
.rt-palette-graphite-amber .rt-card h3,
.rt-palette-graphite-amber .rt-link,
.rt-palette-graphite-amber .rt-ctacard__go,
.rt-palette-graphite-amber .rt-newsitem h3 a{
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;
  text-decoration-color:rgba(22,24,29,.28);
}
.rt-palette-graphite-amber a.rt-card:hover h3,
.rt-palette-graphite-amber .rt-link:hover,
.rt-palette-graphite-amber .rt-ctacard:hover .rt-ctacard__go{
  color:var(--rt-blue-hover);text-decoration-color:currentColor;
}
/* the primary CTA card is dark here, so its arrow link goes amber not black */
.rt-palette-graphite-amber .rt-ctacard--primary .rt-ctacard__go{color:var(--rt-cyan);text-decoration-color:currentColor}

/* ==========================================================================
   PRODUCT LANDING (paid-traffic layout)
   ========================================================================== */
.rt-anchor{display:block;position:relative;top:calc(-1 * var(--rt-header-h) - 20px)}
.rt-btn--lg{font-size:17px;padding:16px 26px}

.rt-lp-hero{position:relative;display:grid;isolation:isolate;background:var(--rt-ink)}
.rt-lp-hero__media{grid-area:1/1;position:relative;overflow:hidden}
.rt-lp-hero__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rt-lp-hero__media--gradient{background:var(--rt-gradient)}
.rt-lp-hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,10,26,.90) 0%,rgba(6,10,26,.76) 42%,rgba(6,10,26,.44) 72%,rgba(6,10,26,.24) 100%);
}
.rt-lp-hero__inner{
  grid-area:1/1;position:relative;z-index:2;
  padding-block:clamp(64px,8vw,112px);
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;
  min-height:clamp(420px,46vw,560px);
}
/* White, not the light accent: pale blue on a photograph is hard to read. */
.rt-lp-hero__eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.82);margin:0 0 16px;
}
.rt-lp-hero h1{
  color:#fff;font-size:clamp(30px,2.85vw,54px);line-height:1.12;max-width:20ch;
  margin:0 0 18px;text-wrap:balance;text-shadow:0 2px 24px rgba(0,0,0,.35);
}
.rt-lp-hero__intro{color:rgba(255,255,255,.92);font-size:clamp(16px,1.05vw,20px);max-width:56ch;margin:0 0 30px;text-wrap:pretty}
.rt-lp-hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}

/* Plain labels divided by hairlines. Tick icons on every item read as filler. */
.rt-lp-chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 0}
.rt-lp-chips li{
  color:rgba(255,255,255,.92);font-size:15.5px;font-weight:400;
  padding:0 18px;border-left:1px solid rgba(255,255,255,.28);
}
.rt-lp-chips li:first-child{padding-left:0;border-left:0}

/* Heading runs full width above; photo and points sit side by side beneath. */
.rt-showcase{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(28px,4.5vw,60px);align-items:center}
.rt-showcase__media{margin:0;border-radius:var(--rt-radius);overflow:hidden;background:#fff}
.rt-showcase__media img{width:100%;height:auto;display:block}
.rt-showcase__body{display:flex;flex-direction:column;align-items:flex-start}
.rt-showcase__list{list-style:none;margin:0 0 28px;padding:0;display:grid;gap:11px}
.rt-showcase__list li{position:relative;padding-left:24px;font-size:16.5px;color:var(--rt-body)}
.rt-showcase__list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;
  border-radius:50%;background:var(--rt-blue);
}
@media(max-width:900px){
  .rt-showcase{grid-template-columns:1fr;gap:28px}
  .rt-showcase__media{order:-1}
}

.rt-lp-tablecta{margin-top:22px}
.rt-lp-item{display:flex;flex-direction:column;gap:9px}
.rt-lp-item h3{font-size:20px;font-weight:500;margin:0;color:var(--rt-ink)}
.rt-lp-item p{margin:0;font-size:16.5px;color:var(--rt-body)}
.rt-lp-item::before{content:"";width:36px;height:2px;background:var(--rt-line);margin-bottom:8px}

.rt-lp-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media(max-width:820px){.rt-lp-steps{grid-template-columns:1fr}}
.rt-lp-step{position:relative;padding-top:22px;border-top:2px solid var(--rt-line)}
.rt-lp-step__n{display:block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--rt-blue);margin-bottom:12px}
.rt-lp-step h3{font-size:21px;font-weight:400;margin:0 0 8px}
.rt-lp-step p{margin:0;font-size:16.5px;color:var(--rt-body)}

/* FAQ — native <details> so it works without JS and stays indexable */
.rt-faq{display:grid;gap:0;border-top:1px solid var(--rt-line)}
.rt-faq__item{border-bottom:1px solid var(--rt-line)}
.rt-faq__item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:clamp(16px,1.05vw,20px);font-weight:400;color:var(--rt-ink);
}
.rt-faq__item summary::-webkit-details-marker{display:none}
.rt-faq__item summary:hover{color:var(--rt-blue)}
.rt-faq__mark{position:relative;flex:none;width:18px;height:18px;margin-top:6px}
.rt-faq__mark::before,.rt-faq__mark::after{
  content:"";position:absolute;left:0;top:8px;width:18px;height:2px;background:var(--rt-blue);
  transition:transform .2s var(--rt-ease);
}
.rt-faq__mark::after{transform:rotate(90deg)}
.rt-faq__item[open] .rt-faq__mark::after{transform:rotate(0)}
.rt-faq__a{padding:0 0 24px;max-width:78ch}
.rt-faq__a p{margin:0;color:var(--rt-body);font-size:17px}

/* Sticky quote bar */
.rt-stickycta{
  position:fixed;left:0;right:0;bottom:0;z-index:115;
  background:var(--rt-ink);color:#fff;
  box-shadow:0 -8px 28px rgba(10,11,13,.22);
  transform:translateY(100%);transition:transform .3s var(--rt-ease);
}
.rt-stickycta.is-visible{transform:none}
.rt-stickycta__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.rt-stickycta__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.rt-stickycta__text strong{font-weight:500;font-size:17px;color:#fff}
.rt-stickycta__text span{font-size:14.5px;color:rgba(255,255,255,.72)}
@media(max-width:680px){
  .rt-stickycta__text span{display:none}
  .rt-stickycta__text strong{font-size:15px}
  .rt-stickycta__inner{padding-block:11px;gap:12px}
  .rt-stickycta .rt-btn{padding:11px 16px;font-size:15px;white-space:nowrap}
}

.rt-legalnote{font-size:13.5px;color:var(--rt-muted);max-width:90ch;line-height:1.55}

/* ==========================================================================
   Floating WhatsApp button
   ========================================================================== */
/* A square tab fixed to the right edge, mid-height. Sitting on the edge keeps
   it clear of the sticky quote bar at the bottom of landing pages. */
.rt-whatsapp{
  position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:118;
  display:flex;align-items:center;justify-content:center;
  width:54px;height:54px;
  border-radius:6px 0 0 6px;
  background:#25D366;color:#fff;
  box-shadow:0 4px 18px rgba(10,11,13,.24);
  transition:width .22s var(--rt-ease),background .2s var(--rt-ease);
  overflow:hidden;
}
.rt-whatsapp:hover,.rt-whatsapp:focus-visible{color:#fff;text-decoration:none;background:#1EBE5A}
.rt-whatsapp svg{width:28px;height:28px;flex:none}
.rt-whatsapp__label{
  max-width:0;opacity:0;white-space:nowrap;font-size:15px;font-weight:600;
  transition:max-width .22s var(--rt-ease),opacity .18s var(--rt-ease),margin-left .22s var(--rt-ease);
}
/* Widen on hover to name itself, on pointer devices only. */
@media(hover:hover) and (min-width:681px){
  .rt-whatsapp:hover,.rt-whatsapp:focus-within{width:162px}
  .rt-whatsapp:hover .rt-whatsapp__label,
  .rt-whatsapp:focus-within .rt-whatsapp__label{max-width:100px;opacity:1;margin-left:10px}
}
@media(max-width:680px){
  .rt-whatsapp{width:48px;height:48px}
  .rt-whatsapp svg{width:25px;height:25px}
  .rt-whatsapp__label{display:none}
}
@media print{.rt-whatsapp,.rt-stickycta{display:none}}

@media(max-width:680px){
  .rt-lp-hero__inner{min-height:0;padding-block:clamp(40px,11vw,64px)}
  .rt-lp-hero h1{font-size:clamp(27px,7.4vw,33px);max-width:none;margin-bottom:14px}
  .rt-lp-hero__eyebrow{margin-bottom:12px}
  .rt-lp-hero__intro{font-size:16.5px;margin-bottom:24px}
  .rt-lp-hero__actions{gap:10px;width:100%;margin-bottom:24px}
  .rt-lp-hero__actions .rt-btn{flex:1 1 100%;justify-content:center}
  /* The hairline dividers force one chip per row at this width; a two-column
     grid keeps all four visible without a 4-row stack. */
  .rt-lp-chips{display:grid;grid-template-columns:1fr 1fr;gap:9px 16px}
  .rt-lp-chips li{padding:0;border-left:0;font-size:14px;color:rgba(255,255,255,.86);line-height:1.35}
}
/* 344px, not 380px: 375px is the commonest phone width and must keep two
   columns, or the chips stack back into four rows. */
@media(max-width:344px){
  .rt-lp-chips{grid-template-columns:1fr}
}

/* ==========================================================================
   Phone pass. Cards here are borderless, so once a grid collapses to one
   column the only thing separating one card's text from the next card's image
   is the row gap - it needs to be bigger than it does side by side.
   ========================================================================== */
@media(max-width:680px){
  .rt-grid{gap:46px}
  .rt-ctacards{gap:16px}
  .rt-section{padding-block:clamp(44px,11vw,64px)}
  .rt-section-head{margin-bottom:28px}

  .rt-card__body{gap:6px}
  .rt-card h3{font-size:20px}
  .rt-card p{font-size:16px}

  .rt-benefit{padding:26px 22px}
  .rt-ctacard{padding:26px 22px 24px}
  .rt-hero__body{padding-block:clamp(48px,13vw,76px);min-height:0}
  .rt-hero__actions{gap:10px}
  .rt-hero__actions .rt-btn{flex:1 1 auto;justify-content:center}

  .rt-solcard{aspect-ratio:16/10}
  .rt-solcard__label{padding:18px;font-size:18px}

  .rt-contact-info dl{gap:14px}
  .rt-footer__top{gap:36px;padding-bottom:44px}

  /* Spec tables scroll sideways on a phone; pinning the first column keeps the
     product name in view so the figures stay attributable. */
  table.rt-table{min-width:560px}
  table.rt-table thead th:first-child,
  table.rt-table tbody th{position:sticky;left:0;z-index:1}
  table.rt-table thead th:first-child{z-index:2;background:var(--rt-ink)}
  table.rt-table tbody th{background:#fff;box-shadow:1px 0 0 var(--rt-line-soft)}
  table.rt-table tbody tr:hover th{background:var(--rt-pale)}
}

/* WordPress core classes */
.alignwide{max-width:1120px;margin-inline:auto}
.aligncenter{margin-inline:auto}
.wp-caption-text,figcaption{font-size:14px;color:var(--rt-muted);margin-top:10px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}