/* ============================================================
   KITOTECH — Marketing site
   Bold, red-diagonal aesthetic (Amixxam-style).
   Sits on top of ./colors_and_type.css.
   ============================================================ */

html, body { margin: 0; padding: 0; }
body {
  background: var(--paper-1);
  color: var(--fg-on-light-1);
  font: var(--body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
* { box-sizing: border-box; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }

/* -----------------------------------------------------------
   ANNOUNCEMENT BAR — light
   ----------------------------------------------------------- */
.announce {
  background: var(--paper-2);
  color: var(--fg-on-light-2);
  font: 500 12px/1 var(--font-body);
  text-align: center;
  padding: 10px 24px;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--hair-l);
}
.announce a {
  color: var(--brand-red);
  font-weight: 700;
  text-decoration: none;
}
.announce a:hover { text-decoration: underline; }

/* -----------------------------------------------------------
   NAV — light
   ----------------------------------------------------------- */
.nav-root {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: var(--paper-0);
  border-bottom: 1px solid var(--hair-l);
  box-shadow: var(--shadow-1);
}
.nav { display: flex; align-items: center; height: 80px; }
.nav .inner { display: flex; align-items: center; gap: 36px; width: 100%; }
.nav .brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav .brand img { height: 44px; width: auto; }
.nav .brand-word {
  font: 700 18px/1 var(--font-display);
  letter-spacing: 0.14em;
  color: var(--fg-on-light-1);
}
.nav .links { display: flex; gap: 32px; margin-left: auto; }
.nav .links a {
  font: 600 13px/1 var(--font-body); color: var(--fg-on-light-2);
  text-decoration: none; padding: 8px 0;
  text-transform: uppercase; letter-spacing: 0.1em;
  position: relative;
  transition: color var(--dur-base) var(--ease-out);
}
.nav .links a:hover, .nav .links a.active { color: var(--brand-red); }
.nav .links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -10px; height: 2px;
  background: var(--brand-red);
}
.nav .cta {
  background: var(--brand-red); color: #fff;
  padding: 14px 22px; border-radius: 0;
  font: 600 13px/1 var(--font-body);
  text-transform: uppercase; letter-spacing: 0.12em;
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--dur-base) var(--ease-out);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  padding: 14px 32px;
}
.nav .cta:hover { background: var(--brand-red-hot); }

/* -----------------------------------------------------------
   BUTTONS
   ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  font: 600 13px/1 var(--font-body);
  text-transform: uppercase; letter-spacing: 0.12em;
  text-decoration: none; cursor: pointer; border: none;
  transition: all var(--dur-base) var(--ease-out);
}
.btn:active { transform: scale(0.98); transition-duration: var(--dur-fast); }

.btn-primary { background: var(--brand-red); color: #fff; }
.btn-primary:hover { background: var(--brand-red-hot); }

.btn-ghost { background: transparent; color: var(--fg-on-dark-1); border: 1px solid var(--paper-0); }
.btn-ghost:hover { background: var(--paper-0); color: var(--ink-1); }

.btn-dark { background: var(--ink-1); color: var(--paper-0); }
.btn-dark:hover { background: var(--ink-3); }

.btn-skew {
  clip-path: polygon(6% 0, 100% 0, 94% 100%, 0 100%);
  padding: 14px 36px;
}

.arrow-glyph { display: inline-block; width: 14px; height: 1px; background: currentColor; position: relative; }
.arrow-glyph::after { content: ""; position: absolute; right: -1px; top: -3px; width: 7px; height: 7px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); }

/* -----------------------------------------------------------
   HERO — LIGHT-dominant with red diagonal + dark image right
   ----------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--paper-1);
  min-height: 620px;
}

/* Dark image area — clipped to the RIGHT side only (62% wide). */
.hero .bg-image {
  position: absolute; right: 0; top: 0; bottom: 0; width: 62%;
  background:
    linear-gradient(180deg, rgba(10,10,12,0.30), rgba(10,10,12,0.55)),
    linear-gradient(135deg, #3a3a44 0%, #1a1a22 60%, #050507 100%);
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
}
.hero .bg-image::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(225,20,28,0.10), transparent 60%);
}

/* Skyline silhouette — only inside the right image area */
.hero .skyline {
  position: absolute; right: 0; bottom: 0; width: 62%; height: 320px;
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  background:
    linear-gradient(90deg,
      #050507 0%, #050507 4%,
      transparent 4%, transparent 6%,
      #111114 6%, #111114 14%,
      transparent 14%, transparent 17%,
      #0a0a0c 17%, #0a0a0c 24%,
      transparent 24%, transparent 27%,
      #18181d 27%, #18181d 33%,
      transparent 33%, transparent 36%,
      #0a0a0c 36%, #0a0a0c 44%,
      transparent 44%, transparent 47%,
      #111114 47%, #111114 56%,
      transparent 56%, transparent 59%,
      #0a0a0c 59%, #0a0a0c 66%,
      transparent 66%, transparent 69%,
      #18181d 69%, #18181d 78%,
      transparent 78%, transparent 81%,
      #0a0a0c 81%, #0a0a0c 90%,
      transparent 90%, transparent 93%,
      #111114 93%, #111114 100%);
  mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 30%, black 100%);
}
.hero .lights {
  position: absolute; right: 0; bottom: 0; width: 62%; height: 320px;
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  background-image:
    radial-gradient(2px 2px at 10% 60%, #FFE082, transparent 70%),
    radial-gradient(2px 2px at 16% 75%, #FFE082, transparent 70%),
    radial-gradient(2px 2px at 22% 50%, #FFCC66, transparent 70%),
    radial-gradient(2px 2px at 30% 70%, #FFE082, transparent 70%),
    radial-gradient(2px 2px at 38% 60%, #FFCC66, transparent 70%),
    radial-gradient(2px 2px at 46% 75%, #FFE082, transparent 70%),
    radial-gradient(2px 2px at 54% 55%, #FFCC66, transparent 70%),
    radial-gradient(2px 2px at 62% 70%, #FFE082, transparent 70%),
    radial-gradient(2px 2px at 70% 60%, #FFCC66, transparent 70%),
    radial-gradient(2px 2px at 78% 75%, #FFE082, transparent 70%),
    radial-gradient(2px 2px at 86% 55%, #FFCC66, transparent 70%),
    radial-gradient(2px 2px at 94% 70%, #FFE082, transparent 70%);
  opacity: 0.7;
}

/* Big diagonal red wedge on the left */
.hero .wedge {
  position: absolute; left: 0; top: 0; bottom: 0; width: 52%;
  background: var(--brand-red);
  clip-path: polygon(0 0, 82% 0, 42% 100%, 0 100%);
}
.hero .wedge::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.05) 50%, transparent 60%);
}

/* Thin secondary red diagonal stripe (accent) */
.hero .wedge-stripe {
  position: absolute; left: 38%; top: 0; bottom: 0; width: 6px;
  background: var(--brand-red);
  transform: skewX(-22deg);
  transform-origin: top;
  opacity: 0.9;
  z-index: 1;
}

.hero-content {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 640px; align-items: center;
}
.hero-content .copy { padding: 80px 0; color: #fff; max-width: 540px; }
.hero-content .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 11px/1 var(--font-display);
  letter-spacing: 0.22em; text-transform: uppercase;
  margin-bottom: 22px;
  color: rgba(255,255,255,0.92);
}
.hero-content .eyebrow::before {
  content: ""; width: 24px; height: 2px; background: #fff;
}
.hero-content h1 {
  font: 700 clamp(40px, 4.5vw, 64px)/1.06 var(--font-display);
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 24px;
}
.hero-content h1 .accent { font-style: italic; font-weight: 600; color: #fff; }
.hero-content .lede { font: 400 16px/1.55 var(--font-body); color: rgba(255,255,255,0.88); margin: 0 0 32px; max-width: 480px; }
.hero-content .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Slide dots */
.hero .dots {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 3;
}
.hero .dots span {
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(255,255,255,0.4); cursor: pointer;
  transition: all var(--dur-base) var(--ease-out);
}
.hero .dots span.active { background: #fff; width: 24px; }

/* Arrow controls */
.hero .arrows {
  position: absolute; right: 4%; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 12px; z-index: 3;
}
.hero .arrows button {
  width: 56px; height: 56px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.4); background: rgba(5,5,7,0.4);
  color: #fff; cursor: pointer;
  display: grid; place-items: center;
  transition: all var(--dur-base) var(--ease-out);
}
.hero .arrows button:hover { background: var(--brand-red); border-color: var(--brand-red); }

/* -----------------------------------------------------------
   PILLARS SECTION — diagonal stripes + intro
   ----------------------------------------------------------- */
.intro-section {
  position: relative; padding: 96px 0;
  background: var(--paper-1);
  overflow: hidden;
}
.intro-section::before {
  content: ""; position: absolute; right: -50px; top: 0; bottom: 0; width: 320px;
  background:
    linear-gradient(135deg, transparent 49%, var(--paper-2) 49%, var(--paper-2) 51%, transparent 51%),
    linear-gradient(135deg, transparent 65%, var(--paper-2) 65%, var(--paper-2) 67%, transparent 67%);
  background-size: 100% 100%;
  opacity: 0.7;
}
.intro-section::after {
  content: ""; position: absolute; left: 0; top: 30%; width: 240px; height: 240px;
  background: linear-gradient(135deg, transparent 48%, var(--brand-red-tint) 48%, var(--brand-red-tint) 52%, transparent 52%);
  background-size: 100% 100%;
  opacity: 0.5;
}

.intro-grid { position: relative; display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: center; z-index: 1; }

.intro-copy h2 {
  font: 600 11px/1 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.22em;
  color: var(--fg-on-light-2); margin: 0 0 8px;
  text-align: center;
}
.intro-copy h3 {
  font: 700 44px/1.05 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--brand-red); margin: 0 0 28px;
  text-align: center;
}
.intro-copy h3 .black { color: var(--fg-on-light-1); }
.intro-copy p {
  font: 400 15px/1.7 var(--font-body);
  color: var(--fg-on-light-2); margin: 0 0 16px;
  text-align: justify;
}
.intro-copy .more {
  display: inline-block; margin-top: 12px;
  color: var(--brand-red); font: 600 13px/1 var(--font-body);
  text-decoration: none; text-transform: uppercase; letter-spacing: 0.14em;
}

.intro-image {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  aspect-ratio: 5 / 4;
  background:
    linear-gradient(135deg, #1a1a22, #050507);
  display: grid; place-items: center;
  border: 1px solid var(--hair-l);
}
.intro-image::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 40% 30%, rgba(225,20,28,0.20), transparent 55%),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 4px);
}
.intro-image .badge {
  position: absolute; right: -1px; bottom: -1px;
  background: var(--brand-red); color: #fff;
  padding: 14px 22px;
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  font: 600 12px/1 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.16em;
}
.intro-image .placeholder-note {
  position: relative; z-index: 1;
  color: rgba(255,255,255,0.55);
  font: 500 11px/1 var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.18em;
}

/* -----------------------------------------------------------
   SERVICE BOXES — 4-up red filled grid
   ----------------------------------------------------------- */
.service-tiles {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin-top: 40px;
}
.service-tile {
  background: var(--brand-red); color: #fff;
  aspect-ratio: 1.05 / 1;
  padding: 24px;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all var(--dur-base) var(--ease-out);
  overflow: hidden;
}
.service-tile::before {
  content: ""; position: absolute; left: -20%; top: -20%; width: 140%; height: 140%;
  background: linear-gradient(135deg, transparent 60%, rgba(255,255,255,0.08) 70%, transparent 80%);
  transition: transform var(--dur-slow) var(--ease-out);
}
.service-tile:hover { background: var(--brand-red-hot); }
.service-tile:hover::before { transform: translateX(20%); }
.service-tile .ic { font-size: 36px; margin-bottom: 16px; position: relative; z-index: 1; }
.service-tile .name {
  font: 700 18px/1.2 var(--font-display);
  letter-spacing: 0.04em; text-transform: uppercase;
  position: relative; z-index: 1;
}

/* -----------------------------------------------------------
   PRINCIPAL SERVICES — image cards
   ----------------------------------------------------------- */
.principal-services {
  position: relative;
  padding: 96px 0;
  background: var(--paper-1);
  overflow: hidden;
}
.principal-services::after {
  content: ""; position: absolute; right: -100px; bottom: 0; width: 400px; height: 100%;
  background: linear-gradient(135deg, transparent 70%, rgba(225,20,28,0.06) 75%, transparent 85%);
  pointer-events: none;
}

.ps-head { text-align: center; margin-bottom: 16px; }
.ps-head h2 {
  font: 700 38px/1.1 var(--font-display);
  letter-spacing: -0.01em;
  color: var(--fg-on-light-1); margin: 0;
  text-transform: uppercase;
}
.ps-head h2 .accent { color: var(--brand-red); }
.ps-head p {
  margin: 16px auto 56px;
  max-width: 720px;
  text-align: center;
  font: 400 14px/1.7 var(--font-body);
  color: var(--fg-on-light-2);
}

.ps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ps-card { display: flex; flex-direction: column; }
.ps-card .media {
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(135deg, #2a2a32, #0a0a0c);
  position: relative;
  border: 1px solid var(--hair-l);
  overflow: hidden;
}
.ps-card .media::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(225,20,28,0.18), transparent 50%);
}
.ps-card .media.cam::after  { content: "CAM"; }
.ps-card .media.door::after { content: "DOOR"; }
.ps-card .media.ai::after   { content: "AI"; }
.ps-card .media.audit::after{ content: "AUDIT"; }
.ps-card .media::after {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  color: rgba(255,255,255,0.4); font: 500 14px/1 var(--font-mono);
  letter-spacing: 0.3em;
}
.ps-card .info { padding: 20px 4px 0; }
.ps-card .info h4 {
  font: 700 16px/1.2 var(--font-display);
  color: var(--brand-red); margin: 0 0 8px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.ps-card .info p { font: 400 13px/1.6 var(--font-body); color: var(--fg-on-light-2); margin: 0; text-align: center; }

.ps-cta { text-align: center; margin-top: 48px; }

/* -----------------------------------------------------------
   CONTACT SECTION
   ----------------------------------------------------------- */
.contact { padding: 96px 0; background: var(--paper-1); }
.contact h2 {
  font: 700 32px/1.2 var(--font-display);
  letter-spacing: -0.005em;
  color: var(--fg-on-light-1); text-align: center;
  margin: 0 0 8px;
  text-transform: uppercase;
}
.contact h2 .accent { color: var(--brand-red); }
.contact p.lede {
  text-align: center;
  font: 400 14px/1.7 var(--font-body);
  color: var(--fg-on-light-2);
  margin: 0 auto 56px;
  max-width: 600px;
}
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }

.form-stack { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font: 500 12px/1 var(--font-body);
  color: var(--fg-on-light-2);
}
.form-row .field {
  padding: 12px 0;
  border: none; border-bottom: 1px solid var(--hair-l2);
  background: transparent;
  font: 400 14px/1 var(--font-body);
  color: var(--fg-on-light-1);
  outline: none;
  transition: border-color var(--dur-base) var(--ease-out);
}
.form-row .field:focus { border-bottom-color: var(--brand-red); }
.form-row textarea.field { min-height: 80px; resize: vertical; }

.contact-info { display: flex; flex-direction: column; gap: 24px; padding: 8px 0; }
.contact-info h4 {
  font: 700 14px/1 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--brand-red); margin: 0 0 10px;
}
.contact-info .item { display: flex; gap: 10px; align-items: flex-start; font: 400 13px/1.5 var(--font-body); color: var(--fg-on-light-2); }
.contact-info .item .ic { color: var(--brand-red); margin-top: 2px; flex-shrink: 0; }
.contact-info .map {
  margin-top: 8px;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(180deg, #E7E7E5 0%, #F2F2F1 100%);
  position: relative;
  border: 1px solid var(--hair-l);
}
.contact-info .map::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,10,12,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,10,12,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}
.contact-info .map .pin {
  position: absolute; left: 50%; top: 45%; transform: translate(-50%, -50%);
  width: 16px; height: 16px; border-radius: 999px;
  background: var(--brand-red);
  box-shadow: 0 0 0 6px rgba(225,20,28,0.20), 0 0 24px rgba(225,20,28,0.5);
}
.contact-info .map .pin::after {
  content: ""; position: absolute; left: 50%; bottom: -10px; transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 6px solid transparent; border-right: 6px solid transparent;
  border-top: 10px solid var(--brand-red);
}

.submit-btn { align-self: flex-start; margin-top: 12px; }

/* -----------------------------------------------------------
   FOOTER
   ----------------------------------------------------------- */
.footer {
  background: linear-gradient(160deg, #0A0F1E 0%, #060508 60%, #0E0409 100%);
  color: var(--fg-on-dark-2);
}
.footer .cols {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 64px 0;
}
.footer h5 {
  font: 700 11px/1 var(--font-display);
  text-transform: uppercase; letter-spacing: 0.22em;
  color: var(--brand-red); margin: 0 0 18px;
}
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer a { color: var(--fg-on-dark-2); text-decoration: none; font: 400 13px/1.4 var(--font-body); }
.footer a:hover { color: var(--fg-on-dark-1); }
.footer .brand-col img { height: 56px; margin-bottom: 14px; }
.footer .brand-col p { font: 400 13px/1.6 var(--font-body); color: var(--fg-on-dark-3); margin: 0; max-width: 280px; }
.footer .item { display: flex; gap: 10px; align-items: flex-start; font: 400 13px/1.5 var(--font-body); color: var(--fg-on-dark-2); margin-bottom: 8px; }
.footer .item .ic { color: var(--brand-red); margin-top: 2px; flex-shrink: 0; }
.footer .socials { display: flex; gap: 10px; }
.footer .socials a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--ink-2); border: 1px solid var(--hair-d);
  color: var(--fg-on-dark-2);
}
.footer .socials a:hover { background: var(--brand-red); border-color: var(--brand-red); color: #fff; }
.footer .legal {
  background: var(--ink-0);
  text-align: center;
  padding: 14px;
  font: 500 11px/1 var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--fg-on-dark-3);
}

/* -----------------------------------------------------------
   FLOATERS
   ----------------------------------------------------------- */
.floaters { position: fixed; right: 24px; bottom: 24px; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; z-index: var(--z-overlay); }
.float-btn {
  width: 56px; height: 56px; border-radius: 999px;
  display: grid; place-items: center; cursor: pointer; border: none;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  box-shadow: var(--shadow-3);
}
.float-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-4); }
.float-btn:active { transform: scale(0.96); }
.float-whatsapp { background: #25D366; color: #fff; }
.float-ai { background: var(--ink-1); color: var(--fg-on-dark-1); border: 1px solid var(--hair-d2); position: relative; }
.float-ai .pulse { position: absolute; top: 8px; right: 8px; width: 8px; height: 8px; border-radius: 999px; background: var(--brand-red); box-shadow: 0 0 10px var(--brand-red); animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1);} 50% { opacity: 0.45; transform: scale(0.8);} }

.ai-panel {
  width: 360px; height: 480px;
  background: var(--ink-1);
  border: 1px solid var(--hair-d);
  box-shadow: var(--shadow-4);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.ai-panel-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; background: var(--brand-red); color: #fff; }
.ai-panel-head .avatar { width: 28px; height: 28px; border-radius: 999px; background: #fff; display: grid; place-items: center; color: var(--brand-red); font: 700 12px/1 var(--font-display); }
.ai-panel-head .title { font: 600 13px/1.2 var(--font-display); }
.ai-panel-head .sub { font: 500 11px/1 var(--font-mono); color: rgba(255,255,255,0.85); text-transform: uppercase; letter-spacing: 0.12em; margin-top: 2px; }
.ai-panel-head .close { margin-left: auto; cursor: pointer; opacity: 0.85; }
.ai-msgs { flex: 1; overflow: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; background: var(--ink-1); }
.ai-msg { max-width: 80%; padding: 10px 12px; font: 400 13px/1.5 var(--font-body); }
.ai-msg.bot { background: var(--ink-2); border: 1px solid var(--hair-d); color: var(--fg-on-dark-1); align-self: flex-start; }
.ai-msg.user { background: var(--brand-red); color: #fff; align-self: flex-end; }
.ai-suggest { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.ai-suggest button {
  font: 500 11px/1 var(--font-body); padding: 6px 10px;
  background: var(--ink-2); border: 1px solid var(--hair-d); color: var(--fg-on-dark-1); cursor: pointer;
}
.ai-suggest button:hover { background: var(--ink-3); }
.ai-input { display: flex; gap: 8px; padding: 12px 14px; border-top: 1px solid var(--hair-d); }
.ai-input input { flex: 1; background: var(--ink-2); border: 1px solid var(--hair-d); padding: 8px 10px; color: var(--fg-on-dark-1); font: 400 13px/1.2 var(--font-body); outline: none; }
.ai-input input:focus { border-color: var(--brand-red); }
.ai-input button { background: var(--brand-red); color: #fff; border: none; padding: 8px 14px; cursor: pointer; font: 600 12px/1 var(--font-body); text-transform: uppercase; letter-spacing: 0.1em; }

/* =============================================================
   SCROLL REVEAL — CSS-based, triggered by IntersectionObserver
   ============================================================= */

/* Only apply hidden state if JS has loaded (progressive enhancement) */
.js-ready .reveal-up,
.js-ready .reveal-left,
.js-ready .reveal-right {
  opacity: 0;
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0s);
}
.js-ready .reveal-up    { transform: translateY(32px); }
.js-ready .reveal-left  { transform: translateX(-32px); }
.js-ready .reveal-right { transform: translateX(32px); }

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1 !important;
  transform: none !important;
}

/* ps-card — always visible, animate on reveal */
.ps-card {
  transition:
    box-shadow var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
.ps-card:hover { transform: translateY(-6px); }

/* =============================================================
   SHARED — PAGE HERO (used on all inner pages)
   ============================================================= */
.page-hero {
  position: relative; overflow: hidden;
  min-height: 480px;
  /* Fallback — red-left + dark-right even without a photo */
  background: var(--ink-0);
  display: flex; align-items: center;
}

/* Red diagonal fallback panel */
.page-hero::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 38%;
  background: linear-gradient(150deg, var(--brand-red) 0%, #7A0A0F 100%);
  clip-path: polygon(0 0, 100% 0, 68% 100%, 0 100%);
  z-index: 1;
}

/* IMAGE SLOT — Ken Burns slow zoom on page load */
@keyframes heroKenBurns {
  from { transform: scale(1)    translate(0,    0);    opacity: 0.6; }
  to   { transform: scale(1.07) translate(-1%, -0.5%); opacity: 1;   }
}
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0);    }
}

.page-hero-bg {
  position: absolute; inset: 0;
  background: center/cover no-repeat transparent;
  z-index: 2;
  animation: heroKenBurns 10s ease-out forwards;
  transform-origin: center center;
}

.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(5,5,7,0.88) 0%, rgba(5,5,7,0.60) 55%, rgba(5,5,7,0.25) 100%);
  z-index: 3;
}

.page-hero-content {
  position: relative; z-index: 4;
  padding: 100px 32px 80px;
  max-width: 720px;
}
.page-hero-content .eyebrow-row {
  margin-bottom: 16px;
  animation: heroFadeUp 0.7s ease-out 0.1s both;
}
.page-hero-content .eyebrow { color: var(--brand-red); letter-spacing: 0.22em; }
.page-hero-content h1 {
  font: 700 clamp(36px, 4vw, 60px)/1.06 var(--font-display);
  letter-spacing: -0.02em; color: #fff; margin: 0 0 20px;
  animation: heroFadeUp 0.7s ease-out 0.28s both;
}
.page-hero-content h1 .accent { color: var(--brand-red); font-style: italic; }
.page-hero-content p {
  font: 400 16px/1.6 var(--font-body); color: rgba(255,255,255,0.82); margin: 0; max-width: 580px;
  animation: heroFadeUp 0.7s ease-out 0.44s both;
}

.page-hero-wedge {
  position: absolute; right: 0; top: 0; bottom: 0; width: 8px;
  background: var(--brand-red);
  z-index: 5;
}

/* =============================================================
   SHARED — CTA STRIP (used on all inner pages)
   ============================================================= */
.cta-strip {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0D1428 0%, #0A0818 50%, #150510 100%);
  padding: 72px 0;
}
/* Subtle glow behind CTA */
.cta-strip::after {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(225,20,28,0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 50%, rgba(26,55,213,0.08) 0%, transparent 45%);
}
.cta-strip-wedge {
  position: absolute; left: 0; top: 0; bottom: 0; width: 6px;
  background: var(--brand-red);
}
.cta-strip-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
}
.cta-strip-inner .eyebrow { color: rgba(255,255,255,0.6); margin-bottom: 8px; }
.cta-strip-inner h2 {
  font: 700 clamp(24px, 3vw, 36px)/1.1 var(--font-display);
  color: #fff; margin: 0; letter-spacing: -0.01em;
}

/* =============================================================
   SHARED — HIKVISION PARTNER BANNER
   ============================================================= */
.hik-banner {
  background: var(--paper-2);
  border-bottom: 1px solid var(--hair-l);
  padding: 18px 0;
}
.hik-inner {
  display: flex; align-items: center; gap: 20px;
}
.hik-kt-logo { height: 36px; }
.hik-divider { width: 1px; height: 36px; background: var(--hair-l2); }
.hik-label { font: 700 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.18em; color: var(--fg-on-light-1); }
.hik-sub   { font: 400 12px/1 var(--font-body); color: var(--fg-on-light-2); margin-top: 4px; }
.hik-spacer { flex: 1; }

/* =============================================================
   SHARED — SECTION HEAD
   ============================================================= */
.section-head { text-align: center; margin-bottom: 56px; }
.section-head .eyebrow { display: block; margin-bottom: 12px; color: var(--brand-red); }
.section-head h2 {
  font: 700 clamp(28px, 3.5vw, 44px)/1.08 var(--font-display);
  letter-spacing: -0.02em; color: var(--fg-on-light-1); margin: 0;
}

/* =============================================================
   NAV — hamburger button (hidden on desktop, shown on mobile)
   ============================================================= */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.hamburger {
  width: 24px;
  height: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--fg-on-light-1);
  border-radius: 2px;
  transform-origin: center;
  transition: transform 0.28s cubic-bezier(0.16,1,0.3,1),
              opacity  0.28s cubic-bezier(0.16,1,0.3,1);
}
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Hidden on desktop — only visible inside mobile menu */
.mobile-only-cta { display: none; }

/* =============================================================
   RESPONSIVE — tablet (≤960px)
   ============================================================= */
/* =============================================================
   MEGA MENU — Dynamic Category Dropdown
   ============================================================= */

/* Nav link with mega indicator */
.nav-link-with-mega {
  font: 600 13px/1 var(--font-body); color: var(--fg-on-light-2);
  text-decoration: none; padding: 8px 0;
  text-transform: uppercase; letter-spacing: 0.1em;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--dur-base) var(--ease-out);
  cursor: pointer;
}
.nav-link-with-mega:hover,
.nav-link-with-mega.active { color: var(--brand-red); }
.nav-link-with-mega.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -10px; height: 2px;
  background: var(--brand-red);
}
.nav-link-with-mega svg {
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-link-with-mega:hover svg {
  transform: rotate(180deg);
}

/* Mega overlay panel */
.mega-overlay {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: var(--z-modal);
  background: var(--paper-0);
  border: 1px solid var(--hair-l);
  border-top: 2px solid var(--brand-red);
  box-shadow: var(--shadow-4);
  animation: megaFadeIn 0.2s ease-out both;
  max-width: 1280px;
  margin: 0 auto;
  margin-top: -1px;
}

@keyframes megaFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* Mega menu inner */
.mega-menu {
  display: flex;
  padding: 24px 32px;
  gap: 24px;
  align-items: stretch;
}

.mega-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 32px;
  font: 400 14px/1 var(--font-body);
  color: var(--fg-on-light-3);
}

.mega-columns {
  display: flex;
  gap: 0;
  flex: 1;
  min-height: 300px;
}

.mega-col {
  flex: 1;
  min-width: 0;
  padding: 0 16px;
  border-right: 1px solid var(--hair-l);
  transition: background var(--dur-fast) var(--ease-out);
}
.mega-col:last-child { border-right: none; }

.mega-main-cat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  text-decoration: none;
  font: 600 12px/1.2 var(--font-display);
  color: var(--fg-on-light-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--r-2);
  transition: all var(--dur-fast) var(--ease-out);
  margin-bottom: 4px;
}
.mega-main-cat:hover {
  background: var(--brand-red-tint);
  color: var(--brand-red);
}
.mega-main-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--paper-2);
  border-radius: var(--r-2);
  color: var(--brand-red);
  flex-shrink: 0;
}
.mega-main-name { flex: 1; }
.mega-chevron {
  font-size: 16px;
  color: var(--fg-on-light-4);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.mega-col-hovered .mega-chevron,
.mega-main-cat:hover .mega-chevron { opacity: 1; }

.mega-subs {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 36px;
}

.mega-sub-group { margin-bottom: 4px; }

.mega-sub-cat {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  font: 500 12px/1.2 var(--font-body);
  color: var(--fg-on-light-2);
  text-decoration: none;
  border-radius: var(--r-1);
  transition: all var(--dur-fast) var(--ease-out);
}
.mega-sub-cat:hover {
  background: var(--paper-2);
  color: var(--brand-red);
}
.mega-sub-cat svg { color: var(--fg-on-light-4); flex-shrink: 0; }
.mega-sub-cat:hover svg { color: var(--brand-red); }

.mega-children {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-left: 25px;
  margin-top: 2px;
}

.mega-child-cat {
  padding: 3px 8px;
  font: 400 11px/1.3 var(--font-body);
  color: var(--fg-on-light-3);
  text-decoration: none;
  border-radius: var(--r-1);
  transition: all var(--dur-fast) var(--ease-out);
}
.mega-child-cat:hover {
  color: var(--brand-red);
  background: var(--paper-2);
}

/* Preview panel */
.mega-with-preview + .mega-preview,
.mega-preview {
  width: 240px;
  flex-shrink: 0;
  border-left: 1px solid var(--hair-l);
  padding-left: 24px;
  display: flex;
  flex-direction: column;
}

.mega-preview-img {
  aspect-ratio: 4 / 3;
  background: var(--ink-2) center/cover no-repeat;
  border: 1px solid var(--hair-l);
  margin-bottom: 12px;
}

.mega-preview-body { flex: 1; }

.mega-preview-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 600 13px/1.2 var(--font-body);
  color: var(--fg-on-light-1);
  margin-bottom: 8px;
}
.mega-preview-name svg { color: var(--brand-red); }

.mega-preview-desc {
  font: 400 12px/1.5 var(--font-body);
  color: var(--fg-on-light-2);
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mega-preview-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 600 11px/1 var(--font-body);
  color: var(--brand-red);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ─── Mega Menu: Nav link wrap ───────────────────────────── */
.nav-link-wrap {
  position: static;
  display: flex;
  align-items: center;
}

.nav .links .nav-link-wrap {
  margin-left: 0;
}

/* ─── Mobile Accordion ──────────────────────────────────────── */
.mobi-cat-section {
  border-top: 1px solid rgba(255,255,255,0.06);
}

.mobi-cat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 24px;
  background: transparent;
  border: none;
  font: 600 12px/1 var(--font-body);
  color: rgba(255,255,255,0.72);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color var(--dur-fast);
}
.mobi-cat-head:hover,
.mobi-cat-head.open { color: var(--brand-red); }
.mobi-cat-head svg {
  transition: transform var(--dur-fast);
}
.mobi-cat-head.open svg { transform: rotate(180deg); }

.mobi-accordion {
  display: flex;
  flex-direction: column;
}

.mobi-cat-item {}

.mobi-cat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.mobi-cat-toggle {
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  font-size: 12px;
  flex-shrink: 0;
  transition: transform var(--dur-fast);
}
.mobi-cat-toggle.expanded { transform: rotate(90deg); color: var(--brand-red); }
.mobi-cat-toggle-spacer {
  width: 18px;
  flex-shrink: 0;
}

.mobi-cat-link {
  font: 400 13px/1.2 var(--font-body);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  flex: 1;
  transition: color var(--dur-fast);
}
.mobi-cat-link:hover,
.mobi-cat-link:active { color: var(--brand-red); }

.mobi-cat-children {
  /* Nested children */
}

.mobi-cat-item svg {
  color: rgba(255,255,255,0.4);
  flex-shrink: 0;
}

/* ============================================================
   KITOTECH AI — Chat Panel
   ============================================================ */

.kt-ai-panel {
  width: 380px;
  height: 520px;
  display: flex;
  flex-direction: column;
  background: var(--paper-0);
  border: 1px solid var(--hair-l);
  box-shadow: var(--shadow-4);
  overflow: hidden;
  animation: ktAiIn 0.25s ease-out both;
  position: fixed;
  bottom: 92px;
  right: 24px;
  z-index: var(--z-overlay);
}

@keyframes ktAiIn {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1);      }
}

/* ─── Header ──────────────────────────────────────────────── */
.kt-ai-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--brand-red);
  color: #fff;
  flex-shrink: 0;
}
.kt-ai-head-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.kt-ai-avatar {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: rgba(255,255,255,0.2);
  display: grid;
  place-items: center;
}
.kt-ai-title {
  font: 700 14px/1.2 var(--font-display);
}
.kt-ai-status {
  font: 500 10px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 3px;
}
.kt-ai-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #4cdf8b;
  display: inline-block;
  animation: ktAiPulse 1.4s ease-in-out infinite;
}
@keyframes ktAiPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}
.kt-ai-close {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 4px;
  opacity: 0.8;
  transition: opacity var(--dur-fast);
}
.kt-ai-close:hover { opacity: 1; }

/* ─── Messages area ───────────────────────────────────────── */
.kt-ai-msgs {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper-1);
}
.kt-ai-msgs::-webkit-scrollbar {
  width: 4px;
}
.kt-ai-msgs::-webkit-scrollbar-track {
  background: transparent;
}
.kt-ai-msgs::-webkit-scrollbar-thumb {
  background: var(--hair-l2);
  border-radius: 2px;
}

/* ─── Welcome screen ──────────────────────────────────────── */
.kt-ai-welcome {
  text-align: center;
  padding: 20px 8px 8px;
}
.kt-ai-welcome-icon {
  color: var(--brand-red);
  margin-bottom: 12px;
}
.kt-ai-welcome h3 {
  font: 700 18px/1.2 var(--font-display);
  color: var(--fg-on-light-1);
  margin: 0 0 8px;
}
.kt-ai-welcome p {
  font: 400 13px/1.6 var(--font-body);
  color: var(--fg-on-light-2);
  margin: 0 0 18px;
}

/* ─── Suggestion chips ────────────────────────────────────── */
.kt-ai-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.kt-ai-chip {
  padding: 7px 14px;
  font: 500 11px/1 var(--font-body);
  color: var(--brand-red);
  background: var(--brand-red-tint);
  border: 1px solid rgba(225,20,28,0.15);
  border-radius: var(--r-2);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}
.kt-ai-chip:hover {
  background: var(--brand-red);
  color: #fff;
  border-color: var(--brand-red);
}

/* ─── Message bubbles ─────────────────────────────────────── */
.kt-ai-msg {
  display: flex;
  gap: 8px;
  max-width: 88%;
}
.kt-ai-msg.bot {
  align-self: flex-start;
}
.kt-ai-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.kt-ai-msg-avatar {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--brand-red);
  color: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 4px;
}

.kt-ai-msg-bubble {
  padding: 10px 14px;
  font: 400 13px/1.5 var(--font-body);
  word-break: break-word;
  white-space: pre-wrap;
}
.kt-ai-msg.bot .kt-ai-msg-bubble {
  background: var(--paper-0);
  border: 1px solid var(--hair-l);
  color: var(--fg-on-light-1);
}
.kt-ai-msg.user .kt-ai-msg-bubble {
  background: var(--brand-red);
  color: #fff;
}

.kt-ai-msg-img {
  margin-bottom: 8px;
  border-radius: var(--r-1);
  overflow: hidden;
}
.kt-ai-msg-img img {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  display: block;
  border-radius: var(--r-1);
}

/* ─── Typing indicator ─────────────────────────────────────── */
.kt-ai-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}
.kt-ai-typing span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--fg-on-light-3);
  animation: ktAiTyping 1.2s ease-in-out infinite;
}
.kt-ai-typing span:nth-child(1) { animation-delay: 0s; }
.kt-ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.kt-ai-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes ktAiTyping {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-6px); opacity: 1; }
}

/* ─── Distributor Badge ────────────────────────────────────── */
.kt-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 6px 14px;
  background: var(--paper-2);
  border: 1px solid var(--hair-l);
  font: 500 10px/1 var(--font-mono);
  color: var(--fg-on-light-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: var(--r-2, 4px);
  user-select: none;
}
.kt-ai-badge svg {
  color: var(--brand-red);
  flex-shrink: 0;
}

/* ─── Image preview bar ───────────────────────────────────── */
.kt-ai-img-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--paper-2);
  border-top: 1px solid var(--hair-l);
  flex-shrink: 0;
}
.kt-ai-img-preview.kt-ai-img-error {
  background: rgba(225,20,28,0.06);
  border-color: rgba(225,20,28,0.2);
}
.kt-ai-img-error-text {
  font: 500 11px/1.3 var(--font-body);
  color: var(--brand-red);
  flex: 1;
}
.kt-ai-img-preview img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: var(--r-1);
  border: 1px solid var(--hair-l);
}
.kt-ai-img-remove {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--status-alert);
  color: #fff;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.kt-ai-img-label {
  font: 500 10px/1 var(--font-mono);
  color: var(--fg-on-light-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ─── Input area ───────────────────────────────────────────── */
.kt-ai-input {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  border-top: 1px solid var(--hair-l);
  background: var(--paper-0);
  flex-shrink: 0;
}
.kt-ai-img-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--r-2);
  background: var(--paper-2);
  border: 1px solid var(--hair-l);
  color: var(--fg-on-light-3);
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all var(--dur-fast);
}
.kt-ai-img-btn:hover {
  border-color: var(--brand-red);
  color: var(--brand-red);
}
.kt-ai-input-field {
  flex: 1;
  border: 1px solid var(--hair-l);
  background: var(--paper-1);
  padding: 0 12px;
  font: 400 13px/1 var(--font-body);
  color: var(--fg-on-light-1);
  outline: none;
  border-radius: var(--r-2);
  transition: border-color var(--dur-fast);
}
.kt-ai-input-field:focus {
  border-color: var(--brand-red);
}
.kt-ai-input-field::placeholder {
  color: var(--fg-on-light-4);
}
.kt-ai-send-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--r-2);
  background: var(--brand-red);
  color: #fff;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: background var(--dur-fast);
}
.kt-ai-send-btn:hover {
  background: var(--brand-red-hot);
}
.kt-ai-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Footer actions ───────────────────────────────────────── */
.kt-ai-footer {
  display: flex;
  justify-content: space-between;
  padding: 6px 12px;
  background: var(--paper-2);
  border-top: 1px solid var(--hair-l);
  flex-shrink: 0;
}
.kt-ai-footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  font: 500 10px/1 var(--font-mono);
  color: var(--fg-on-light-3);
  background: transparent;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--dur-fast);
}
.kt-ai-footer-btn:hover {
  color: var(--brand-red);
}
.kt-ai-footer-wa {
  color: #25D366;
}
.kt-ai-footer-wa:hover {
  color: #1da851;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .kt-ai-panel {
    width: calc(100vw - 24px);
    height: 480px;
    right: 12px;
    bottom: 80px;
  }
  .kt-ai-msg {
    max-width: 92%;
  }
}

/* ============================================================
   END MEGA MENU
   ============================================================ */

@media (max-width: 960px) {

  /* Container padding */
  .container { padding: 0 20px; }

  /* Announce bar */
  .announce { font-size: 11px; padding: 8px 20px; gap: 8px; }

  /* Nav — hide desktop links, show hamburger */
  .nav { height: 64px; }
  .menu-toggle { display: flex; align-items: center; }
  .nav-cta { display: none !important; }

  /* Links: hidden by default, slide-down panel when .open */
  .nav .links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 0 20px;
    background: rgba(6, 8, 18, 0.97);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 2px solid var(--brand-red);
    box-shadow: 0 16px 48px rgba(0,0,0,0.40);
    z-index: 1000;
    margin-left: 0;
  }
  .nav .links.open { display: flex; }

  .nav .links a {
    padding: 15px 24px;
    font-size: 14px;
    color: rgba(255,255,255,0.72);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    text-align: left;
  }
  .nav .links a:last-of-type { border-bottom: none; }
  .nav .links a:hover,
  .nav .links a.active { color: var(--brand-red); background: rgba(225,20,28,0.07); }
  .nav .links a.active::after { display: none; }

  .mobile-only-cta {
    display: block;
    padding: 16px 20px 0;
  }
  .mobile-only-cta .btn {
    width: 100%;
    justify-content: center;
    clip-path: none;
    padding: 14px 24px;
  }

  /* Page hero */
  .page-hero { min-height: 300px; }
  .page-hero::before { width: 28%; }
  .page-hero-content { padding: 72px 20px 56px; max-width: 100%; }
  .page-hero-content h1 { font-size: clamp(26px, 6vw, 42px); }
  .page-hero-content p  { font-size: 14px; }

  /* CTA strip */
  .cta-strip-inner { flex-direction: column; text-align: center; gap: 24px; }
  .cta-strip-inner h2 { max-width: 100%; }

  /* Hikvision banner */
  .hik-inner { flex-wrap: wrap; gap: 10px; }
  .hik-divider { display: none; }
  .hik-spacer  { display: none; }

  /* Footer grid → 2 columns */
  .footer .cols { grid-template-columns: 1fr 1fr; gap: 36px; padding: 48px 0; }

  /* Contact grid → single column */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  /* AI panel — wider on tablet */
  .ai-panel { width: calc(100vw - 48px); height: 440px; }

  /* Section head spacing */
  .section-head { margin-bottom: 40px; }

  /* Service tiles → 2 columns */
  .service-tiles { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================================
   RESPONSIVE — mobile (≤640px)
   ============================================================= */
@media (max-width: 640px) {

  /* Container */
  .container { padding: 0 16px; }

  /* Announce bar — shorten */
  .announce {
    padding: 8px 16px;
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .announce span { max-width: 65vw; overflow: hidden; text-overflow: ellipsis; display: inline-block; }

  /* Nav */
  .nav { height: 56px; }
  .nav .brand img { height: 36px; }
  .nav .brand-word { font-size: 15px; letter-spacing: 0.1em; }

  /* Page hero */
  .page-hero { min-height: 240px; }
  .page-hero::before { display: none; }
  .page-hero-content { padding: 56px 16px 40px; }
  .page-hero-content h1 { font-size: clamp(24px, 7vw, 32px); }

  /* Footer grid → single column */
  .footer .cols { grid-template-columns: 1fr; gap: 28px; padding: 36px 0; }

  /* AI panel — nearly full width */
  .ai-panel { width: calc(100vw - 24px); height: 380px; }
  .floaters  { right: 16px; bottom: 16px; gap: 10px; }

  /* Service tiles → single column */
  .service-tiles { grid-template-columns: 1fr; }
}