/* ============================================================
   TBN — shared responsive layer
   Loaded after each page's inline <style>, so it overrides.
   Every page keeps its own look; this fixes what breaks on small
   screens and adds the interaction polish that isn't worth
   duplicating 24 times.
   ============================================================ */

/* ---------- 1. Overflow guards -------------------------------
   The single most common mobile bug: one wide child forces the
   whole page to scroll sideways. Nothing should ever do that. */
html, body { max-width: 100%; overflow-x: hidden; }
img, svg, video, canvas { max-width: 100%; height: auto; }

/* Wide content scrolls inside itself, never the page body. */
table { max-width: 100%; }
.ftable, .spec, .article-body table, .term-body table {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
@media (min-width: 701px) {
  .ftable, .spec, .article-body table, .term-body table { display: table; }
}

/* Long unbroken strings — URLs, licence keys, file names. */
.article-body a, .term-body a, .faq-item__body a { word-break: break-word; }
code, pre { overflow-wrap: anywhere; }

/* Grid and flex children default to min-width:auto, meaning they refuse
   to shrink below their content. One long unbreakable string — a wget
   URL in an install command — then forces the whole column wide and the
   `overflow-x: auto` on the child never gets a chance to engage.
   Allowing these to shrink is what makes the inner scrolling work. */
.linux-grid > *, .cap-grid > *, .pain-list > *, .cap-card, .pain,
.hero__grid > *, .pricing-wrap > *, .story-grid > *, .appmock__body > * { min-width: 0; }
.cmd { max-width: 100%; }

/* ---------- 2. Mobile navigation -----------------------------
   Pages hide .nav__links below ~900px with no replacement, so the
   whole site becomes unnavigable on a phone. tbn.js clones those
   links into this drawer at runtime — no per-page markup edits. */
.nav__burger {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  background: none;
  border: 1px solid rgba(247,245,240,0.14);
  color: #F7F5F0;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: border-color .18s ease, background .18s ease;
}
.nav__burger:hover { border-color: #E8A33D; }
.nav__burger svg { width: 18px; height: 18px; display: block; }
.nav__burger .ico-x { display: none; }
.nav__burger[aria-expanded="true"] .ico-menu { display: none; }
.nav__burger[aria-expanded="true"] .ico-x { display: block; }
.nav__burger[aria-expanded="true"] { border-color: #E8A33D; background: rgba(232,163,61,.1); }

.tbn-drawer {
  position: fixed;
  inset: 72px 0 0 0;
  background: rgba(14,16,21,.97);
  backdrop-filter: blur(14px);
  z-index: 99;
  padding: 18px 0 40px;
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.tbn-drawer.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.tbn-drawer__inner { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.tbn-drawer a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 17px 4px;
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  color: #EDEAE2;
  border-bottom: 1px solid rgba(247,245,240,.08);
  min-height: 44px;              /* real tap target */
}
.tbn-drawer a:active { color: #E8A33D; }
.tbn-drawer a::after {
  content: '';
  width: 7px; height: 7px;
  border-right: 1.5px solid #5A6270;
  border-bottom: 1.5px solid #5A6270;
  transform: rotate(-45deg);
  flex-shrink: 0;
}
.tbn-drawer__group {
  font-family: 'Space Mono', monospace;
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #5A6270;
  padding: 24px 4px 8px;
}
.tbn-drawer__contact { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.tbn-drawer__contact a {
  justify-content: center;
  border: 1px solid rgba(247,245,240,.14);
  border-bottom: 1px solid rgba(247,245,240,.14);
  font-weight: 700;
  font-size: 13px;
}
.tbn-drawer__contact a::after { display: none; }
.tbn-drawer__contact a.is-wa { background: #25D366; color: #0B2E1A; border-color: #25D366; }

body.tbn-nav-open { overflow: hidden; }

@media (max-width: 1000px) { .nav__burger { display: inline-flex; } }

/* ---------- 2a. Nav fits, always -----------------------------
   The bar holds a long brand name plus a phone number, a green
   WhatsApp button and the burger. Below ~820px that overflowed, and the
   WhatsApp button pushed the burger off-screen — leaving no way to open
   the menu at all.

   Rather than shrinking everything until it's unreadable, the WhatsApp
   action moves to a floating button (see §2d). The bar keeps the two
   things it must have: identity, and a way into the menu. */
.nav__inner { min-width: 0; }
.nav__brand { min-width: 0; overflow: hidden; }
.nav__brand-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 820px) {
  .nav__cta { display: none; }          /* becomes the floating button */
}
@media (max-width: 600px) {
  /* The amber TBN mark carries the brand on its own here. Keeping the
     full wordmark at this width means truncating it to nonsense. */
  .nav__brand-name { display: none; }
  .nav__inner { height: 62px; }
  .tbn-drawer { top: 62px; }
}

/* ---------- 2d. Floating WhatsApp action ---------------------
   WhatsApp is the primary conversion path, so removing it from the
   mobile bar can't mean removing it from the page. It becomes a
   floating button instead: always reachable, never overlapping the
   nav, and dismissible — a persistent badge you can't close is the
   thing people actually resent.

   Bottom-left by request, which also keeps it clear of the scrollbar
   and of "back to top" affordances on the right. */
.tbn-fab {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 95;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 13px 18px 13px 15px;
  background: #25D366;
  color: #06331A;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 6px 24px rgba(0,0,0,.45);
  transform: translateY(96px);
  transition: transform .32s cubic-bezier(.22,.61,.36,1);
}
.tbn-fab.is-in { transform: translateY(0); }
.tbn-fab svg { width: 19px; height: 19px; fill: currentColor; flex-shrink: 0; }
.tbn-fab__close {
  position: absolute;
  top: -9px; right: -9px;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  background: #15181F;
  color: #8A92A0;
  border: 1px solid rgba(247,245,240,.22);
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  font-size: 0;
}
.tbn-fab__close svg { width: 11px; height: 11px; fill: none; stroke: currentColor; stroke-width: 2.4; }
.tbn-fab__close:hover { color: #F7F5F0; border-color: #F7F5F0; }

@media (max-width: 820px) { .tbn-fab { display: inline-flex; } }

/* Out of the way while the menu is open. */
body.tbn-nav-open .tbn-fab { transform: translateY(96px); }

/* ---------- 2b. Parent strip gutters -------------------------
   .parent-strip__inner sits on the same element as .container and
   declares `padding: 44px 0`. That shorthand resets the container's
   horizontal padding to zero, so the TBBN banner ran edge-to-edge with
   its text touching both screen edges. Restore the gutters. */
.parent-strip__inner { padding: 44px 32px; }
@media (max-width: 640px) {
  .parent-strip__inner { padding: 30px 20px; gap: 16px; }
  .parent-strip__text  { font-size: 13.5px; }
  .parent-strip__link  { font-size: 12px; }
}

/* .parent-strip__inner is the only class that collides this way — the
   other .container siblings (nav, footer, tiles, hero grid, trust row)
   set no padding of their own and correctly inherit the gutters. */

/* ---------- 2c. Receipt / KOT card tag -----------------------
   The card animates `clip-path` to look like paper rolling out of a
   thermal printer. clip-path clips every descendant to the card's box,
   including the "LIVE PREVIEW" / "KOT · KITCHEN" tag that deliberately
   sits 12px above the card edge — so the tag was cropped at all screen
   sizes, not only on mobile.

   Move the reveal onto the inner panel. The tag is a sibling of that
   panel, so it is no longer inside the clipped element, and the printing
   effect is preserved exactly. */
.receipt-card, .kot-card { animation: none !important; }
.receipt-card__inner, .kot-card__inner {
  animation: tbn-print .9s cubic-bezier(.2,.9,.3,1.2) both;
}
@keyframes tbn-print {
  from { clip-path: inset(0 0 100% 0); }
  to   { clip-path: inset(0 0 0 0); }
}
/* The tag is meant to straddle the card's top edge like a pinned label,
   so it must keep its negative offset — padding here would separate the
   two. Margin instead, giving the overhang somewhere to go without
   displacing the card relative to the tag. */
.receipt-wrap, .kot-wrap { margin-top: 14px; }

@media (max-width: 900px) {
  /* Stacked on mobile the card should centre, not hug the right edge. */
  .receipt-card, .kot-card { margin-left: auto; margin-right: auto; }
}
@media (max-width: 420px) {
  /* Rotation costs horizontal room on the narrowest screens, and a
     tilted receipt at 360px reads as broken rather than styled. */
  .receipt-card, .kot-card { transform: none !important; }
}
@media (prefers-reduced-motion: reduce) {
  .receipt-card__inner, .kot-card__inner { animation: none !important; clip-path: none !important; }
}

/* ---------- 3. Phone layout ---------------------------------- */
@media (max-width: 640px) {

  /* Headlines are set for desktop; they need to breathe less on a
     360px screen, and hyphenation stops awkward single-word lines. */
  .hero__title, .cta__title, .section-title, .article-title, .term-title, .head__title {
    hyphens: auto;
    -webkit-hyphens: auto;
  }
  .hero__title br, .cta__title br { display: none; }

  .hero { padding-top: 34px !important; padding-bottom: 52px !important; }
  .section { padding-top: 52px !important; padding-bottom: 52px !important; }
  .cta { padding-top: 60px !important; padding-bottom: 60px !important; }
  .section-head { margin-bottom: 30px !important; }

  /* Full-bleed buttons read better than two cramped half-width ones. */
  .hero__actions, .cta__actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero__actions .btn, .cta__actions .btn { width: 100%; justify-content: center; }

  .cta__contact { flex-direction: column; gap: 14px !important; align-items: center; }

  /* Cards and panels lose their generous desktop padding. */
  .cap-card, .pain, .appmock__main, .deploy-card, .testimonial,
  .roles-panel, .apply-block, .pricing-card, .pricing-tile, .price-block {
    padding-left: 22px !important;
    padding-right: 22px !important;
  }
  .deploy-card, .testimonial { padding-top: 26px !important; padding-bottom: 26px !important; }
  .testimonial__quote { font-size: 16.5px !important; }
  .testimonial::before { display: none; }        /* giant quote mark eats the text */

  .pricing-card__price { font-size: 40px !important; }
  .story-marks, .trust-grid, .milestones { grid-template-columns: 1fr 1fr !important; }
  .flow-item { grid-template-columns: 1fr !important; gap: 10px !important; }

  /* Grid texture at 64px is visual noise on a small screen. */
  .grid-texture { background-size: 40px 40px; opacity: .25; }
}

/* ---------- 3b. Footer ---------------------------------------
   The homepage footer declares `display:flex` with no flex-wrap, so its
   eleven links ran to 705px inside a 375px screen. Most other pages set
   wrap; this makes it consistent everywhere. */
.footer__links { flex-wrap: wrap; }
@media (max-width: 760px) {
  .footer__inner  { flex-direction: column; align-items: center; text-align: center; gap: 20px; }
  .footer__links  { justify-content: center; gap: 4px 20px; }
  .footer__text   { order: 2; font-size: 11px; }
}

/* ---------- 4. Tap targets -----------------------------------
   Anything tappable gets a real hit area. Small mono links are the
   house style; this keeps the look and fixes the ergonomics. */
@media (hover: none) and (pointer: coarse) {
  .footer__links a, .breadcrumb a, .nav__links a,
  .cta__contact a, .term__link, .tool__link {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
  }
  .footer__links { gap: 6px 22px !important; }
  .faq-item summary { padding-top: 20px; padding-bottom: 20px; }
  /* Hover transforms just stick on touch — drop them. */
  .btn:hover, .cap-card:hover, .pricing-tile:hover { transform: none !important; }
}

/* ---------- 5. Horizontal-scroll affordance ------------------
   The status strip scrolls sideways on a phone with nothing to say
   so. A right-edge fade shows there's more. */
.status-strip { position: relative; }
.status-strip::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 44px;
  background: linear-gradient(90deg, transparent, #15181F);
  pointer-events: none;
}
@media (min-width: 1024px) { .status-strip::after { display: none; } }

/* ---------- 6. Terminal command blocks -----------------------
   Used by the Linux install instructions. Copy button is wired in
   tbn.js — the commands are useless if they can't be copied cleanly. */
.cmd {
  position: relative;
  background: #0a0c11;
  border: 1px solid rgba(247,245,240,.1);
  border-left: 2px solid #E8A33D;
  padding: 14px 52px 14px 16px;
  margin: 12px 0;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  line-height: 1.65;
  color: #EDEAE2;
  overflow-x: auto;
  white-space: pre;
}
.cmd::selection, .cmd *::selection { background: #E8A33D; color: #0E1015; }
.cmd__copy {
  position: absolute;
  top: 8px; right: 8px;
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(247,245,240,.05);
  border: 1px solid rgba(247,245,240,.12);
  color: #8A92A0;
  cursor: pointer;
  padding: 0;
  transition: all .15s ease;
}
.cmd__copy:hover { color: #E8A33D; border-color: #E8A33D; }
.cmd__copy svg { width: 14px; height: 14px; }
.cmd__copy.is-done { color: #6FCB9A; border-color: #3D7A5C; }
.cmd__copy .ico-tick { display: none; }
.cmd__copy.is-done .ico-copy { display: none; }
.cmd__copy.is-done .ico-tick { display: block; }

/* ---------- 7. Reading progress ------------------------------
   Long feature and article pages benefit from knowing how far in
   you are. Cheap, unobtrusive, no layout cost. */
.tbn-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, #7A5A24, #E8A33D);
  z-index: 200;
  transition: width .08s linear;
  pointer-events: none;
}

/* ---------- 8. Scroll reveals --------------------------------
   Progressive: without JS or on reduced-motion, everything is
   simply visible. Nothing depends on this to be readable. */
.tbn-reveal { opacity: 0; transform: translateY(14px); }
.tbn-reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity .5s cubic-bezier(.22,.61,.36,1), transform .5s cubic-bezier(.22,.61,.36,1);
}

/* ---------- 9. Focus, print, motion --------------------------- */
:focus-visible { outline: 2px solid #E8A33D; outline-offset: 3px; }

@media print {
  .nav, .tbn-drawer, .grid-texture, .tbn-progress, .cmd__copy,
  .cta, .parent-strip { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .tbn-reveal { opacity: 1 !important; transform: none !important; }
  .tbn-progress { display: none; }
}