/* ===========================================================
   Rook Technologies — custom styles
   Design tokens live in the Tailwind config inside index.html
   =========================================================== */

:root {
  --ink: #011a14;
  --forest: #1b4f39;
  --lime: #c8f69b;
}

html { -webkit-text-size-adjust: 100%; }
body { overflow-x: hidden; }

/* ---------- Header: floating island nav ---------- */
#site-header {
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

#nav-island {
  max-width: 1400px;
  padding-inline: 16px;
  background: #fff;
  border: 1px solid rgba(27, 79, 57, 0.14);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(1, 26, 20, 0.1);
  transition: max-width 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              background-color 0.3s ease,
              border-color 0.3s ease,
              box-shadow 0.3s ease,
              padding 0.3s ease;
}
#site-header.is-solid #nav-island {
  max-width: 1060px;
  padding-inline: 12px;
  -webkit-backdrop-filter: blur(20px) saturate(180%);
          backdrop-filter: blur(20px) saturate(180%);
}

#site-header [data-nav-ink] { color: var(--forest); transition: color 0.3s ease; }
/* full-colour logo sits directly on the white nav */
#site-header .brand-logo { box-sizing: content-box; padding: 4px 10px; border-radius: 8px; }

#nav-toggle { border-color: rgba(27, 79, 57, 0.22); }
#nav-toggle.is-open span > span:first-child { transform: translateY(4px) rotate(45deg); }
#nav-toggle.is-open span > span:last-child  { transform: translateY(-4px) rotate(-45deg); }

/* Desktop nav links */
.navlink {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-radius: 8px;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.3px;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}
.navlink:hover,
.navlink[aria-expanded="true"] { background: rgba(27, 79, 57, 0.08); }

/* Dropdown */
.nav-dd { position: relative; }
.nav-dd__chev { transition: transform 0.25s ease; }
.nav-dd[data-open="true"] .nav-dd__chev { transform: rotate(180deg); }

.nav-dd__panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  width: min(720px, calc(100vw - 32px));
  padding: 8px;
  border: 1px solid rgba(27, 79, 57, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
          backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 20px 50px rgba(1, 26, 20, 0.18);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
/* Invisible bridge over the 12px gap so moving the pointer down doesn't trigger mouseleave */
.nav-dd__panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -14px;
  height: 14px;
}
.nav-dd[data-open="true"] .nav-dd__panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.nav-dd__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  border-radius: 10px;
  transition: background-color 0.2s ease;
}
.nav-dd__item:hover,
.nav-dd__item:focus-visible { background: rgba(27, 79, 57, 0.06); }
.nav-dd__title {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.3px;
  color: var(--forest);
}
.nav-dd__desc {
  font-size: 12.5px;
  line-height: 1.45;
  color: rgba(11, 20, 25, 0.62);
}

/* Mobile collapse panel + menu links */
#mobile-nav:not(.hidden) { display: flex; }

.mobile-link {
  display: block;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.3px;
  color: var(--forest);
  transition: color 0.15s ease;
}
.mobile-link:hover { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  #nav-island, .nav-dd__panel, .nav-dd__chev, #site-header [data-nav-ink] { transition: none; }
}

/* ---------- Trusted-by marquee ---------- */
.marquee {
  display: flex;
  gap: 20px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 20px;
  min-width: 100%;
  justify-content: space-around;
  margin: 0;
  padding: 0;
  list-style: none;
  animation: marquee 55s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-100% - 20px)); }
}

/* client logos inside the marquee
   Each logo sits on a white card so every brand shows in its real
   colours. Logo heights are tiered by shape so a square mark and a
   long wordmark carry roughly the same optical weight. */
.client-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  height: 72px;
  padding: 0 28px;
  background: #fff;
  border: 1px solid rgba(15, 23, 20, 0.08);
  border-radius: 12px;
}
.client-logo img {
  width: auto;
  max-width: 200px;
  object-fit: contain;
}
.client-logo--wide img { height: 28px; }   /* long wordmarks  (ar >= 3.5) */
.client-logo--mid  img { height: 36px; }   /* ar 2.2 - 3.5 */
.client-logo--base img { height: 42px; }   /* ar 1.4 - 2.2 */
.client-logo--mark img { height: 50px; }   /* square / tall marks (ar < 1.4) */

@media (max-width: 640px) {
  .marquee, .marquee__track { gap: 14px; }
  .client-logo { height: 56px; padding: 0 20px; border-radius: 10px; }
  .client-logo--wide img { height: 22px; }
  .client-logo--mid  img { height: 28px; }
  .client-logo--base img { height: 32px; }
  .client-logo--mark img { height: 38px; }
  .client-logo img { max-width: 150px; }
}

/* ---------- Wind / Solar tabs ---------- */
.tab-btn { background: #fff; color: #162625; }
.tab-btn.is-active { background: var(--forest); color: var(--lime); }

/* ---------- Approach cards ---------- */
.approach-card {
  min-height: 320px;
  transition: flex-grow .55s cubic-bezier(.22,.61,.36,1);
  cursor: pointer;
}
.approach-scrim {
  background: radial-gradient(120% 90% at 120% 8%, rgba(1, 26, 20,0) 0%, rgba(1, 26, 20,.96) 62%, #011a14 100%);
}
.approach-copy {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .45s ease, opacity .35s ease;
}
.approach-card.is-active .approach-copy { max-height: 220px; opacity: 1; }

@media (min-width: 1024px) {
  #approach-track { align-items: stretch; }
  .approach-card { flex: 1 1 0%; min-height: 0; height: 435.429px; }
  .approach-card.is-active { flex-grow: 2.3; }
}

/* ---------- FAQ accordion ---------- */
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: #000;
  border-radius: 62px;
  transition: transform .3s ease, opacity .3s ease;
}
.faq-icon::before { left: 11px; top: 3px;  width: 2px;  height: 18px; }
.faq-icon::after  { left: 3px;  top: 11px; width: 18px; height: 2px; }
.faq-trigger[aria-expanded="true"] .faq-icon::before { transform: rotate(90deg); opacity: 0; }

.faq-panel {
  display: grid;
  /* minmax(0, …) — a bare 0fr keeps an `auto` minimum, which lets the
     answer's min-content height leak through as a visible preview strip. */
  grid-template-rows: minmax(0, 0fr);
  overflow: hidden;
  visibility: hidden;
  transition: grid-template-rows .35s ease, visibility 0s linear .35s;
}
.faq-panel > * { min-height: 0; overflow: hidden; }
.faq-item.is-open .faq-panel {
  grid-template-rows: minmax(0, 1fr);
  visibility: visible;
  transition: grid-template-rows .35s ease, visibility 0s linear 0s;
}

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Testimonial track ---------- */
#tst-track { will-change: transform; }

/* ---------- Forms ---------- */
.field-error { border-color: #f42a2a !important; }

/* ---------- Primary button (anti-metal) ---------- */
.btn-anti {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 46px;
  overflow: hidden;
  border: 0;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--lime) 0%, #b6ee80 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45),
              inset 0 -2px 4px rgba(1, 26, 20, 0.14),
              0 2px 4px rgba(1, 26, 20, 0.10);
  cursor: pointer;
  transition: transform .18s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn-anti:active { transform: scale(.985); }
.btn-anti:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.btn-anti__label {
  margin-left: auto;
  padding: 0 18px 0 60px;
  white-space: nowrap;
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 14px;
  font-weight: 600;
  line-height: 15.4px;
  letter-spacing: -.42px;
  text-transform: uppercase;
  color: var(--ink);
}

.btn-anti__chip {
  position: absolute;
  top: 3px;
  left: 3px;
  z-index: 10;
  display: flex;
  height: 40px;
  width: 40px;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  overflow: hidden;
  border-radius: 2px;
  padding: 0 10px 0 13px;
  background: var(--ink);
  box-shadow: inset 0 -2px 4px rgba(1, 26, 20, 0.14),
              0 2px 4px rgba(1, 26, 20, 0.10);
  transition: width .22s cubic-bezier(.65, 0, .35, 1);
}
.btn-anti:hover .btn-anti__chip,
.btn-anti:focus-visible .btn-anti__chip { width: calc(100% - 6px); }

.btn-anti__chip svg { flex: none; overflow: visible; }
.btn-anti__chip svg:nth-of-type(1) { --bd-base: 0s; }
.btn-anti__chip svg:nth-of-type(2) { --bd-base: .12s; }
.btn-anti__chip svg:nth-of-type(3) { --bd-base: .24s; }
.btn-anti__chip svg:nth-of-type(4) { --bd-base: .36s; }
.btn-anti__chip svg:nth-of-type(5) { --bd-base: .48s; }
.btn-anti__chip svg:nth-of-type(6) { --bd-base: .60s; }
.btn-anti__chip svg:nth-of-type(7) { --bd-base: .72s; }
.btn-anti__chip svg:nth-of-type(8) { --bd-base: .84s; }

.bd-dot {
  transform-box: fill-box;
  transform-origin: center;
  animation: bd-dot-wave 1.4s ease-in-out infinite;
  animation-delay: calc(var(--bd-base, 0s) + var(--bd-d, 0s));
}
.bd-dot:nth-child(1) { --bd-d: 0s; }
.bd-dot:nth-child(2), .bd-dot:nth-child(6) { --bd-d: .05s; }
.bd-dot:nth-child(3), .bd-dot:nth-child(7) { --bd-d: .10s; }
.bd-dot:nth-child(4), .bd-dot:nth-child(8) { --bd-d: .15s; }
.bd-dot:nth-child(5), .bd-dot:nth-child(9) { --bd-d: .20s; }
.bd-dot:nth-child(10) { --bd-d: .25s; }

@keyframes bd-dot-wave {
  0%, 70%, 100% { opacity: .4; transform: scale(.9); }
  35%           { opacity: 1;  transform: scale(1); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  .marquee { overflow-x: auto; }
  .marquee__track + .marquee__track { display: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .bd-dot { animation: none; opacity: 1; }
  .btn-anti__chip { transition: none; }
  * { scroll-behavior: auto !important; }
}

/* ---------- Hero background video ---------- */
/* The <img> beneath is the instant paint + fallback; the video layers on top. */
#hero-video { pointer-events: none; }

@media (prefers-reduced-motion: reduce) {
  #hero-video { display: none; }
}

/* ---------- Story / How it works / Rook SCADA (from about page) ---------- */
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  height: 37px; padding: 10px 16px; white-space: nowrap;
  border: 1px solid rgba(20,28,34,0.08); border-radius: 32px;
  font-family: 'Instrument Sans', Inter, sans-serif;
  font-size: 14px; line-height: 16.8px; letter-spacing: -0.28px;
  color: rgba(11,20,25,0.7);
}
.pill--dark { border-color: rgba(200,246,155,0.22); color: rgba(255,255,255,0.75); }

/* Timeline: vertical rail on mobile, horizontal rail on desktop */
.tl { position: relative; display: grid; gap: 28px; }
.tl::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.12), rgba(200,246,155,0.6), rgba(255,255,255,0.12));
}
.tl__item { position: relative; padding-left: 36px; }
.tl__dot {
  position: absolute; left: 0; top: 4px; width: 15px; height: 15px; border-radius: 50%;
  background: var(--ink); border: 1px solid rgba(255,255,255,0.3);
}
.tl__item--key .tl__dot { background: var(--lime); border-color: var(--lime); box-shadow: 0 0 0 6px rgba(200,246,155,0.16); }
.tl__item--past { opacity: 0.62; }
.tl__item--past .tl__title { text-decoration: line-through; text-decoration-color: rgba(255,255,255,0.35); }
@media (min-width: 1024px) {
  .tl { grid-template-columns: repeat(5, 1fr); gap: 24px; }
  .tl::before {
    left: 8px; right: 8px; top: 7px; bottom: auto; width: auto; height: 1px;
    background: linear-gradient(to right, rgba(255,255,255,0.12), rgba(200,246,155,0.6) 70%, rgba(200,246,155,0.2));
  }
  .tl__item { padding-left: 0; padding-top: 40px; }
  .tl__dot { top: 0; }
}

/* Alert routing diagram */
.route-line { stroke-dasharray: 4 5; animation: route-flow 1.2s linear infinite; }
@keyframes route-flow { to { stroke-dashoffset: -18; } }
@media (prefers-reduced-motion: reduce) { .route-line { animation: none; } }

/* 3D alert-routing turbine (assets/js/alert-turbine.js) */
.alert-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 55% at 18% 78%, rgba(200,246,155,0.12), transparent 70%),
    radial-gradient(40% 40% at 92% 60%, rgba(200,246,155,0.06), transparent 70%);
}
.alert-stage { min-height: 300px; }
@media (min-width: 640px) { .alert-stage { min-height: 400px; } }
.alert-stage__canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0; }
.alert-stage.is-3d .alert-fallback { visibility: hidden; }

/* live status chip */
.alert-live {
  display: inline-flex; align-items: center; gap: 8px; height: 30px; padding: 0 12px;
  border: 1px solid rgba(255,255,255,0.12); border-radius: 999px; background: rgba(255,255,255,0.04);
  font-family: 'Geist Mono', ui-monospace, monospace; font-size: 11px; font-weight: 600;
  letter-spacing: 0.02em; text-transform: uppercase; color: rgba(255,255,255,0.7); white-space: nowrap;
  transition: border-color .4s ease, color .4s ease;
}
.alert-live__dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: #5ee29a; }
.alert-live__dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid #5ee29a;
  animation: alert-ping 1.8s ease-out infinite;
}
@keyframes alert-ping { from { transform: scale(.4); opacity: .9; } to { transform: scale(1.4); opacity: 0; } }

/* recipient labels */
.alert-label {
  --tone: 200,246,155;
  display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 7px 14px 7px 12px;
  border: 1px solid rgba(255,255,255,0.12); border-radius: 10px;
  background: rgba(10,34,26,0.72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  color: #fff;
  transition: background-color .6s ease, border-color .6s ease, box-shadow .6s ease, transform .6s ease;
}
.alert-label--crit { --tone: 255,107,107; }
.alert-label--warn { --tone: 255,190,92; }
.alert-label--info { --tone: 200,246,155; }
.alert-label__dot {
  flex: none; width: 8px; height: 8px; border-radius: 50%;
  background: rgb(var(--tone)); box-shadow: 0 0 0 3px rgba(var(--tone),0.18);
  transition: box-shadow .6s ease;
}
.alert-label__role { font-family: 'Geist Mono', ui-monospace, monospace; font-size: 12px; font-weight: 600; line-height: 1.2; letter-spacing: -0.2px; text-transform: uppercase; }
.alert-label__cat { font-family: Geist, Inter, sans-serif; font-size: 12px; line-height: 1.3; color: rgba(255,255,255,0.55); white-space: nowrap; }
.alert-label.is-hit {
  border-color: rgba(var(--tone),0.85);
  background: rgba(var(--tone),0.14);
  box-shadow: 0 0 0 4px rgba(var(--tone),0.1), 0 0 28px rgba(var(--tone),0.35);
  transform: translateX(-3px);
  transition-duration: .12s;
}
.alert-label.is-hit .alert-label__dot { box-shadow: 0 0 0 6px rgba(var(--tone),0.25); }
@media (max-width: 639px) {
  .alert-label { min-height: 38px; padding: 6px 10px; gap: 8px; }
  .alert-label__cat, }
@media (prefers-reduced-motion: reduce) { .alert-live__dot::after { animation: none; } }
.alert-live { max-width: 100%; }
.alert-live [data-alert-live] { display: inline-block; overflow: hidden; text-overflow: ellipsis; }

/* Hero: left-aligned copy over video, neutral scrim for legibility */
.hero-scrim {
  background:
    linear-gradient(90deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.3) 45%, rgba(0,0,0,0.12) 75%),
    linear-gradient(0deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0) 35%),
    rgba(0,0,0,0.12);
  pointer-events: none;
}
.hero-title, .hero-copy { text-shadow: 0 2px 24px rgba(0,0,0,0.18); }