/* ============================================
   UNIQUE SECURITY CORP — STYLES v4
   "Editorial Heritage" — Old San Juan + Gold
   ============================================ */

/* Ethnocentric brand font (drop file into assets/fonts/) */
@font-face {
  font-family: 'Ethnocentric';
  src: url('../assets/fonts/ethnocentric.otf') format('opentype'),
       url('../assets/fonts/ethnocentric.woff2') format('woff2'),
       url('../assets/fonts/ethnocentric.woff') format('woff'),
       url('../assets/fonts/ethnocentric.ttf') format('truetype'),
       url('../assets/fonts/ethnocentric-rg.ttf') format('truetype');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* Brand wordmark — "UNIQUE SECURITY" always in Ethnocentric (Orbitron fallback) */
.us-brand {
  font-family: 'Ethnocentric', 'Orbitron', 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-feature-settings: "kern" on;
}


:root {
  /* Base palette — DARK MODE (default) */
  --us-bg: #000000;
  --us-bg-soft: #0A0A0A;
  --us-surface: #111113;
  --us-surface-light: #17171A;
  --us-border: rgba(255, 255, 255, 0.06);
  --us-border-strong: rgba(255, 255, 255, 0.12);
  --us-gray-900: #1C1C1F;
  --us-gray-800: #232327;
  --us-gray-700: #2E2E33;
  --us-gray-500: #6E6E73;
  --us-gray-400: #86868B;
  --us-gray-300: #A1A1A6;
  --us-gray-200: #C7C7CC;
  --us-gray-100: #E5E5EA;

  /* Yellow gold accents */
  --us-gold: #FFC93C;
  --us-gold-bright: #FFD95C;
  --us-gold-dark: #E8A800;
  --us-gold-line: rgba(255, 201, 60, 0.25);
  --us-gold-glow: rgba(255, 201, 60, 0.12);

  --us-fg: #FFFFFF;
  --us-text: #EBEBF0;
  --us-text-dim: #98989D;
  --us-btn-bg: #FFFFFF;
  --us-btn-fg: #000000;

  /* Back-compat aliases so existing selectors keep working */
  --us-black: var(--us-bg);
  --us-black-soft: var(--us-bg-soft);
  --us-carbon: var(--us-surface);
  --us-carbon-light: var(--us-surface-light);
  --us-white: var(--us-fg);

  /* Typography */
  --font-display: 'Ethnocentric', 'Orbitron', 'Inter', -apple-system, system-ui, sans-serif;
  --font-body: 'Inter', -apple-system, system-ui, sans-serif;
  --font-mono: 'Space Grotesk', 'Inter', sans-serif;

  /* Layout */
  --container: 1360px;
  --container-tight: 1100px;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
}

/* ============== RESET ============== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--us-black);
  color: var(--us-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-weight: 400;
  font-feature-settings: "ss01", "cv11";
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 768px) {
  .container { padding: 0 24px; }
}

/* ============== TOPBAR ============== */
.topbar {
  background: var(--us-black);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 12px;
  padding: 10px 0;
  letter-spacing: 0;
}

.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar__left {
  display: flex;
  gap: 32px;
  align-items: center;
}

.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--us-text-dim);
  transition: color .2s;
  font-weight: 400;
}

.topbar__item:hover { color: var(--us-white); }
.topbar__item svg { color: var(--us-gold); }

.topbar__right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar__badge {
  color: var(--us-text-dim);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.3px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--us-gray-700);
  font-size: 12px;
}

.lang-btn {
  font-size: 12px;
  font-weight: 500;
  color: var(--us-text-dim);
  transition: color .2s;
  padding: 2px 4px;
}

.lang-btn.active { color: var(--us-white); }
.lang-btn:hover { color: var(--us-white); }

@media (max-width: 768px) {
  .topbar__item--hide-mobile { display: none; }
}

/* ============== HEADER ============== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background .3s, border-color .3s;
}

.header.scrolled {
  background: rgba(0, 0, 0, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__logo img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.header__brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.header__brand strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--us-white);
  letter-spacing: 0.5px;
}

.header__brand em {
  font-size: 10px;
  color: var(--us-gold);
  font-style: normal;
  letter-spacing: 3px;
  font-weight: 400;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav a {
  font-size: 13px;
  font-weight: 500;
  color: var(--us-gray-200);
  transition: color .2s;
  position: relative;
  letter-spacing: 0.2px;
}

.nav a:not(.nav__cta):hover { color: var(--us-white); }

.nav__cta {
  background: var(--us-white);
  color: var(--us-black) !important;
  padding: 10px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 13px !important;
  transition: all .25s;
}

.nav__cta:hover {
  background: var(--us-gold);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 1.5px;
  background: var(--us-white);
  transition: .3s;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 980px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(30px);
    padding: 40px 24px;
    gap: 28px;
    transform: translateX(100%);
    transition: transform .3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .nav.open { transform: translateX(0); }
  .hamburger { display: flex; }
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.2px;
  border-radius: 100px;
  transition: all .25s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: pointer;
  border: 1px solid transparent;
  font-family: var(--font-body);
}

.btn--primary {
  background: var(--us-white);
  color: var(--us-black);
}

.btn--primary:hover {
  background: var(--us-gold);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(212, 175, 90, 0.25);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--us-white);
  border-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn--block { width: 100%; }

/* ============================================
   HERO — EDITORIAL HERITAGE
   Aesthetic: Monocle × security corporate
   Signature anchors:
     1. Gold vertical rule with chapter marker
     2. Massive display wordmark breaking grid
     3. Infinite marquee strip at the bottom
     4. Film grain overlay on full-bleed image
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background: var(--us-bg);
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}

/* --- Background layer --- */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(1.03);
  animation: heroZoom 28s ease-in-out infinite alternate;
  filter: contrast(1.08) saturate(0.9);
}

@keyframes heroZoom {
  0% { transform: scale(1.03) translateY(0); }
  100% { transform: scale(1.12) translateY(-1%); }
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(255, 201, 60, 0.08) 0%, transparent 55%),
    linear-gradient(135deg, #0a0a0f 0%, #1a1a24 50%, #0a0a0f 100%);
  z-index: -1;
}

/* Film grain — SVG noise baked in */
.hero__grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 250 250' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.35 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  opacity: 0.55;
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(0, 0, 0, 0.55) 0%,
      rgba(0, 0, 0, 0.15) 20%,
      rgba(0, 0, 0, 0.25) 55%,
      rgba(0, 0, 0, 0.85) 85%,
      rgba(0, 0, 0, 0.95) 100%),
    linear-gradient(90deg,
      rgba(0, 0, 0, 0.55) 0%,
      transparent 35%,
      transparent 65%,
      rgba(0, 0, 0, 0.35) 100%);
}

/* --- Left vertical rule — chapter marker --- */
.hero__rule {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 40px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 130px 0 140px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.hero__rule-top, .hero__rule-bottom {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  letter-spacing: 4px;
  font-weight: 500;
  color: var(--us-gold);
  text-transform: uppercase;
  white-space: nowrap;
}

.hero__rule-line {
  width: 1px;
  flex: 1;
  background: linear-gradient(180deg, transparent 0%, var(--us-gold) 20%, var(--us-gold) 80%, transparent 100%);
  margin: 28px 0;
  box-shadow: 0 0 12px rgba(255, 201, 60, 0.45);
}

/* --- Top right meta --- */
.hero__meta {
  position: absolute;
  top: 120px;
  right: 40px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  letter-spacing: 3px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
}
.hero__meta span:first-child { color: var(--us-gold); }

/* --- Main editorial block --- */
.hero__editorial {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
}

.hero__editorial .container {
  max-width: var(--container);
  padding-left: 120px;
  padding-right: 80px;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  padding-bottom: 12px;
  margin-bottom: 32px;
  border-bottom: 1px solid rgba(255, 201, 60, 0.4);
  animation: heroFade 1s ease both;
}

.hero__stars {
  color: var(--us-gold);
  font-size: 10px;
  letter-spacing: 2px;
}

/* --- The display type — balanced single-weight statement --- */
.hero__display {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.035em;
  margin-bottom: 56px;
  color: var(--us-fg);
  max-width: 1100px;
}

.hero__line {
  display: block;
  font-size: clamp(30px, 4.2vw, 58px);
  line-height: 1.05;
  color: var(--us-fg);
  animation: heroSlide 1.1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero__line:nth-of-type(2) {
  animation-delay: .2s;
  margin-top: 6px;
}

.hero__line em {
  font-style: normal;
  color: var(--us-gold);
  text-shadow: 0 0 50px rgba(255, 201, 60, 0.3);
}

@keyframes heroSlide {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroSlide {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes heroFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* --- Lede + CTA footer --- */
.hero__footer-block {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 60px;
  align-items: end;
  max-width: 1100px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: heroFade 1.2s ease .6s both;
}

.hero__lede {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 400;
  max-width: 520px;
}

.hero__cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* --- Infinite marquee strip --- */
.hero__marquee {
  position: relative;
  z-index: 2;
  background: var(--us-gold);
  color: #000;
  padding: 18px 0;
  overflow: hidden;
  border-top: 1px solid rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.hero__marquee-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee 45s linear infinite;
  width: max-content;
}

.hero__marquee-track span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin: 0 18px;
}

.hero__marquee-track .dot {
  font-size: 10px;
  opacity: 0.7;
  margin: 0 18px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --- Scroll indicator --- */
.hero__scroll {
  position: absolute;
  bottom: 110px;
  right: 50px;
  width: 22px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  z-index: 3;
}

.hero__scroll span {
  width: 2px;
  height: 6px;
  background: var(--us-gold);
  margin-top: 7px;
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* --- Responsive --- */
@media (max-width: 1100px) {
  .hero__editorial .container {
    padding-left: 100px;
    padding-right: 40px;
  }
  .hero__footer-block { grid-template-columns: 1fr; gap: 28px; }
  .hero__cta-row { justify-content: flex-start; }
}

@media (max-width: 768px) {
  .hero__rule { left: 20px; padding: 100px 0 160px; }
  .hero__rule-top, .hero__rule-bottom { font-size: 10px; letter-spacing: 3px; }
  .hero__meta { display: none; }
  .hero__editorial { padding: 120px 0 70px; }
  .hero__editorial .container { padding-left: 70px; padding-right: 24px; }
  .hero__line-hero { font-size: clamp(56px, 16vw, 100px); }
  .hero__scroll { display: none; }
  .hero__marquee-track span { font-size: 13px; }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  color: var(--us-gray-200);
  margin-bottom: 32px;
  text-transform: uppercase;
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.04);
  animation: fadeInUp .8s ease both;
}

.hero__stars {
  color: var(--us-gold);
  letter-spacing: 2px;
  font-size: 11px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.04;
  font-weight: 600;
  color: var(--us-white);
  letter-spacing: -2.5px;
  margin-bottom: 32px;
}

.hero__title span {
  display: block;
  animation: fadeInUp 1s ease both;
}

.hero__title span:nth-child(1), .hero__title span:nth-child(3) {
  font-weight: 200;
  color: var(--us-gray-300);
  font-size: 0.8em;
}

.hero__title span:nth-child(2) { animation-delay: .1s; }
.hero__title span:nth-child(3) { animation-delay: .2s; }
.hero__title span:nth-child(4) { animation-delay: .3s; }

.hero__title-accent {
  color: var(--us-gold);
  font-weight: 700;
  -webkit-text-fill-color: var(--us-gold);
  text-shadow: 0 0 60px rgba(255, 201, 60, 0.35);
}

.hero__subtitle {
  font-size: clamp(16px, 1.4vw, 19px);
  color: var(--us-gray-200);
  max-width: 600px;
  margin-bottom: 44px;
  font-weight: 400;
  animation: fadeInUp 1s ease .5s both;
  line-height: 1.6;
}

.hero__cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 80px;
  animation: fadeInUp 1s ease .65s both;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 780px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 1s ease .8s both;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat strong {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.5vw, 44px);
  color: var(--us-white);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -1px;
}

.stat span {
  font-size: 11px;
  color: var(--us-text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 10px;
  font-weight: 500;
}

.hero__scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  z-index: 2;
}

.hero__scroll span {
  width: 2px;
  height: 6px;
  background: var(--us-white);
  margin-top: 6px;
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}

@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .hero { padding: 90px 0 80px; }
}

/* ============== SECTIONS ============== */
.section {
  padding: 140px 0;
  position: relative;
}

.section__header {
  text-align: center;
  margin-bottom: 100px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--us-gold);
  margin-bottom: 28px;
  text-transform: uppercase;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.08;
  color: var(--us-fg);
  letter-spacing: -0.5px;
  font-weight: 600;
}

.section__title .accent {
  color: var(--us-gray-500);
  font-weight: 300;
  display: block;
  margin-top: 6px;
}

@media (max-width: 768px) {
  .section { padding: 100px 0; }
  .section__header { margin-bottom: 60px; }
}

/* ============== ABOUT ============== */
.about { background: var(--us-black); }

.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 120px;
  align-items: center;
}

.about__text p {
  font-size: 17px;
  margin-bottom: 24px;
  color: var(--us-gray-200);
  line-height: 1.7;
  font-weight: 400;
}

.about__text p strong {
  color: var(--us-white);
  font-weight: 600;
}

.about__features {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.about__features li {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
  color: var(--us-gray-200);
  font-weight: 400;
}

.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--us-gold);
  color: var(--us-black);
  border-radius: 50%;
  font-weight: 700;
  font-size: 11px;
  flex-shrink: 0;
}

.about__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 460px;
}

.about__shield {
  position: relative;
  width: 100%;
  max-width: 400px;
  filter: drop-shadow(0 30px 80px rgba(212, 175, 90, 0.25));
  animation: float 7s ease-in-out infinite;
}

.about__shield img { width: 100%; }

.about__est {
  display: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 80px; }
  .about__visual { min-height: 360px; }
}

/* ============== SERVICES ============== */
.services {
  background: var(--us-black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--us-carbon);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 40px 32px;
  transition: all .5s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(212, 175, 90, 0.06), transparent 70%);
  opacity: 0;
  transition: opacity .5s;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.12);
  background: var(--us-carbon-light);
}

.service-card:hover::before { opacity: 1; }

.service-card--featured {
  background: linear-gradient(180deg, var(--us-carbon) 0%, var(--us-black) 100%);
  border-color: var(--us-gold-line);
}

.service-card--featured::before { opacity: 1; }

.service-card__badge {
  position: absolute;
  top: 24px;
  right: 24px;
  background: var(--us-gold);
  color: var(--us-black);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: 100px;
  text-transform: uppercase;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  color: var(--us-gold);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.service-card__icon svg { width: 22px; height: 22px; }

.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--us-white);
  margin-bottom: 14px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.3px;
  position: relative;
  z-index: 1;
}

.service-card p {
  font-size: 14px;
  color: var(--us-text-dim);
  margin-bottom: 24px;
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

.service-card ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  z-index: 1;
}

.service-card ul li {
  font-size: 13px;
  color: var(--us-gray-200);
  padding-left: 20px;
  position: relative;
  font-weight: 400;
}

.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 1px;
  background: var(--us-gold);
}

@media (max-width: 1100px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .services__grid { grid-template-columns: 1fr; }
}

/* ============== INDUSTRIES ============== */
.industries {
  background: var(--us-black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.industries__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.industry-card {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background-color: var(--us-carbon);
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  display: flex;
  align-items: flex-end;
  padding: 36px;
  transition: all .6s cubic-bezier(0.2, 0.8, 0.2, 1);
  cursor: pointer;
}

/* Dark overlay for legibility */
.industry-card__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(0, 0, 0, 0.25) 0%,
      rgba(0, 0, 0, 0.55) 55%,
      rgba(0, 0, 0, 0.92) 100%);
  transition: all .5s;
}

/* Gold hover glow */
.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at bottom left, rgba(255, 201, 60, 0.18), transparent 60%);
  opacity: 0;
  transition: opacity .5s;
  z-index: 1;
}

.industry-card::after {
  content: '→';
  position: absolute;
  top: 28px;
  right: 32px;
  font-size: 26px;
  color: rgba(255, 255, 255, 0.8);
  transition: all .4s;
  font-weight: 300;
  z-index: 2;
}

.industry-card:hover {
  border-color: var(--us-gold-line);
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.industry-card:hover .industry-card__overlay {
  background:
    linear-gradient(180deg,
      rgba(0, 0, 0, 0.15) 0%,
      rgba(0, 0, 0, 0.45) 55%,
      rgba(0, 0, 0, 0.88) 100%);
}

.industry-card:hover::before { opacity: 1; }

.industry-card:hover::after {
  color: var(--us-gold);
  transform: translate(6px, -6px);
}

/* Subtle zoom on image */
.industry-card {
  background-size: 110%;
}

.industry-card:hover {
  background-size: 118%;
}

.industry-card__content {
  position: relative;
  z-index: 1;
}

.industry-card__content h3 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--us-white);
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.industry-card__content p {
  font-size: 13px;
  color: var(--us-text-dim);
  font-weight: 400;
  letter-spacing: 0.2px;
}

@media (max-width: 900px) {
  .industries__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .industries__grid { grid-template-columns: 1fr; }
}

/* ============== TECHNOLOGY ============== */
.technology {
  background: var(--us-black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.tech__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tech-item {
  background: var(--us-carbon);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: left;
  transition: all .4s;
  position: relative;
}

.tech-item:hover {
  background: var(--us-carbon-light);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.tech-item__icon {
  margin-bottom: 28px;
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: transform .4s;
}

.tech-item__icon svg {
  width: 38px;
  height: 38px;
}

.tech-item:hover .tech-item__icon {
  transform: translateY(-3px);
}

.tech-item h4 {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--us-white);
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.tech-item p {
  font-size: 14px;
  color: var(--us-text-dim);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .tech__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .tech__grid { grid-template-columns: 1fr; }
}

/* ============== SMART COMMUNITIES ============== */
.smart {
  background: var(--us-black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}

.smart::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 175, 90, 0.08) 0%, transparent 65%);
  pointer-events: none;
}

.smart__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 100px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.smart__text .section__eyebrow { margin-bottom: 24px; }
.smart__text .section__title {
  text-align: left;
  margin-bottom: 32px;
}

.smart__text > p {
  font-size: 17px;
  color: var(--us-gray-200);
  margin-bottom: 44px;
  line-height: 1.7;
}

.smart__text > p strong {
  color: var(--us-white);
  font-weight: 600;
}

.smart__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 44px;
}

.smart-feature {
  padding: 24px;
  background: var(--us-carbon);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  transition: all .3s;
}

.smart-feature:hover {
  border-color: var(--us-gold-line);
  transform: translateY(-2px);
}

.smart-feature strong {
  display: block;
  font-size: 14px;
  color: var(--us-white);
  margin-bottom: 6px;
  font-weight: 600;
}

.smart-feature span {
  font-size: 13px;
  color: var(--us-text-dim);
  line-height: 1.55;
}

.smart__savings {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  padding: 24px 36px;
  background: var(--us-carbon);
  border: 1px solid var(--us-gold-line);
  border-radius: 14px;
  margin-bottom: 40px;
  margin-right: 16px;
}

.smart__savings span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--us-text-dim);
  text-transform: uppercase;
}

.smart__savings strong {
  font-family: var(--font-display);
  font-size: 42px;
  color: var(--us-white);
  line-height: 1;
  font-weight: 600;
  letter-spacing: -1.5px;
}

.smart__savings strong small {
  font-size: 15px;
  color: var(--us-text-dim);
  font-weight: 400;
  letter-spacing: 0;
}

.smart__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.smart__product-img {
  width: 100%;
  max-width: 520px;
  border-radius: 0;
  border: none;
  background: transparent;
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.7));
  transition: transform .6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.smart__product-img:hover {
  transform: scale(1.06) translateY(-10px);
}

body.light-mode .smart__product-img {
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.2));
}

/* Legacy phone mockup — kept for reference but hidden */
.smart__phone {
  display: none;
}

.smart__phone--legacy {
  width: 290px;
  height: 580px;
  background: var(--us-black);
  border: 8px solid #1C1C1F;
  border-radius: 44px;
  padding: 12px;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(212, 175, 90, 0.1),
    0 0 80px rgba(212, 175, 90, 0.1);
  position: relative;
}

.smart__phone::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 24px;
  background: #0A0A0A;
  border-radius: 100px;
  z-index: 2;
}

.smart__phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, var(--us-carbon) 0%, var(--us-black) 100%);
  border-radius: 32px;
  padding: 48px 22px 22px;
  display: flex;
  flex-direction: column;
}

.phone-app__header {
  text-align: center;
  margin-bottom: 32px;
}

.phone-app__header span {
  display: block;
  color: var(--us-gold);
  font-size: 11px;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.phone-app__header strong {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--us-white);
  font-weight: 600;
}

.phone-app__widget {
  background: var(--us-black);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 22px;
  text-align: center;
  margin-bottom: 22px;
}

.phone-app__widget small {
  display: block;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--us-text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.phone-app__widget strong {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--us-gold);
  letter-spacing: 0.5px;
  font-weight: 600;
}

.phone-app__buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
}

.phone-app__buttons button {
  background: var(--us-gray-900);
  color: var(--us-white);
  padding: 16px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 900px) {
  .smart__inner { grid-template-columns: 1fr; gap: 70px; }
  .smart__features { grid-template-columns: 1fr; }
}

/* ============== RECRUITMENT ============== */
.recruitment {
  background: var(--us-black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.recruitment__card {
  background: var(--us-carbon);
  padding: 80px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 80px;
  align-items: center;
}

.recruitment__card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 175, 90, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.recruitment__text .section__eyebrow { margin-bottom: 24px; }
.recruitment__text .section__title {
  text-align: left;
  margin-bottom: 24px;
}
.recruitment__text > p {
  color: var(--us-gray-200);
  font-size: 17px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.recruitment__cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.recruitment__perks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: relative;
}

.perk {
  background: var(--us-black);
  padding: 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all .3s;
}

.perk:hover {
  border-color: var(--us-gold-line);
  transform: translateY(-2px);
}

.perk strong {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--us-white);
  font-weight: 600;
  letter-spacing: -0.3px;
}

.perk span {
  font-size: 12px;
  color: var(--us-text-dim);
}

.recruitment__form {
  grid-column: 1 / -1;
  margin-top: 20px;
}

.form__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--us-gold);
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .recruitment__card {
    grid-template-columns: 1fr;
    padding: 48px 32px;
    gap: 48px;
  }
}

/* ============== CONTACT ============== */
.contact {
  background: var(--us-black);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  background: var(--us-carbon);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  transition: all .3s;
}

.contact-item:hover {
  border-color: var(--us-gold-line);
  background: var(--us-carbon-light);
  transform: translateX(4px);
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item__icon svg {
  width: 28px;
  height: 28px;
}

.contact-item small {
  display: block;
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--us-text-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
  font-weight: 500;
}

.contact-item a, .contact-item span {
  font-size: 15px;
  font-weight: 500;
  color: var(--us-white);
}

.contact-item a:hover { color: var(--us-gold); }

.contact__socials {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.social {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--us-carbon);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  font-weight: 600;
  font-size: 13px;
  color: var(--us-gray-200);
  transition: all .3s;
}

.social:hover {
  background: var(--us-white);
  color: var(--us-black);
  transform: translateY(-2px);
  border-color: var(--us-white);
}

.contact__form {
  background: var(--us-carbon);
  padding: 48px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact__form label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--us-text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.contact__form input,
.contact__form select,
.contact__form textarea {
  background: var(--us-black);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--us-white);
  padding: 16px 18px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 400;
  transition: all .2s;
  text-transform: none;
  letter-spacing: 0.1px;
}

.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--us-gold);
  box-shadow: 0 0 0 3px var(--us-gold-glow);
}

.contact__form textarea { resize: vertical; min-height: 120px; }

@media (max-width: 900px) {
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .contact__form { padding: 32px; }
}

/* ============== FOOTER ============== */
.footer {
  background: var(--us-black);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 70px 0 40px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer__brand img {
  max-width: 420px;
  width: 100%;
  height: auto;
  flex-shrink: 0;
}

.footer__brand strong {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.5px;
  color: var(--us-white);
  font-weight: 600;
}

.footer__brand span {
  font-size: 13px;
  color: var(--us-text-dim);
  max-width: 340px;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer__links a {
  font-size: 13px;
  color: var(--us-text-dim);
  transition: color .2s;
  font-weight: 400;
}

.footer__links a:hover { color: var(--us-white); }

.footer__legal {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
  color: var(--us-text-dim);
  text-align: right;
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .footer__brand, .footer__links { align-items: center; }
  .footer__legal { text-align: center; }
}

/* ============== FLOATING WHATSAPP ============== */
.float-wa {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: var(--us-white);
  color: var(--us-black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  transition: all .3s;
}

.float-wa:hover {
  background: var(--us-gold);
  transform: scale(1.06);
}

.float-wa svg { width: 26px; height: 26px; }

/* ============== SCROLL REVEAL ============== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .9s cubic-bezier(0.2, 0.8, 0.2, 1), transform .9s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   THEME TOGGLE — Police Light Slider
   ============================================ */
.theme-toggle {
  position: relative;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.theme-toggle__track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  width: 56px;
  height: 26px;
  background: var(--us-gray-900);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  padding: 0 7px;
  transition: all .35s cubic-bezier(0.2, 0.8, 0.2, 1);
  overflow: hidden;
}

.theme-toggle__track::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 14px 50%, rgba(255, 201, 60, 0.35) 0%, transparent 60%);
  opacity: 1;
  transition: all .35s;
}

.theme-toggle__light {
  position: absolute;
  top: 50%;
  left: 4px;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background: radial-gradient(circle, #FFD95C 0%, #FFC93C 40%, #E8A800 100%);
  border-radius: 50%;
  box-shadow:
    0 0 12px rgba(255, 201, 60, 0.9),
    0 0 24px rgba(255, 201, 60, 0.6),
    0 0 6px rgba(255, 255, 255, 0.8) inset;
  transition: all .45s cubic-bezier(0.6, 0.2, 0.3, 1.5);
  z-index: 2;
  animation: siren 2.4s ease-in-out infinite;
}

@keyframes siren {
  0%, 100% {
    box-shadow:
      0 0 12px rgba(255, 201, 60, 0.9),
      0 0 24px rgba(255, 201, 60, 0.6),
      0 0 6px rgba(255, 255, 255, 0.8) inset;
  }
  50% {
    box-shadow:
      0 0 20px rgba(255, 201, 60, 1),
      0 0 40px rgba(255, 201, 60, 0.8),
      0 0 8px rgba(255, 255, 255, 1) inset;
  }
}

.theme-toggle__icon {
  font-size: 11px;
  line-height: 1;
  z-index: 1;
  transition: opacity .3s;
}

.theme-toggle__icon--moon {
  color: var(--us-gold);
  opacity: 0;
  margin-left: 2px;
}

.theme-toggle__icon--sun {
  color: var(--us-gray-500);
  opacity: 1;
}

/* Active state = LIGHT MODE (light on the right) */
body.light-mode .theme-toggle__light {
  left: calc(100% - 22px);
}

body.light-mode .theme-toggle__track::before {
  background: radial-gradient(circle at calc(100% - 14px) 50%, rgba(255, 201, 60, 0.35) 0%, transparent 60%);
}

body.light-mode .theme-toggle__icon--moon { opacity: 1; }
body.light-mode .theme-toggle__icon--sun { opacity: 0; }

body.light-mode .theme-toggle__track {
  background: #E5E5EA;
  border-color: rgba(0, 0, 0, 0.15);
}

/* ============================================
   LIGHT MODE — variable overrides
   ============================================ */
body.light-mode {
  --us-bg: #FFFFFF;
  --us-bg-soft: #FAFAFA;
  --us-surface: #F5F5F7;
  --us-surface-light: #EFEFF2;
  --us-border: rgba(0, 0, 0, 0.08);
  --us-border-strong: rgba(0, 0, 0, 0.15);
  --us-gray-900: #F5F5F7;
  --us-gray-800: #EFEFF2;
  --us-gray-700: #D1D1D6;
  --us-gray-500: #86868B;
  --us-gray-400: #6E6E73;
  --us-gray-300: #48484A;
  --us-gray-200: #1C1C1E;
  --us-gray-100: #0A0A0A;

  --us-gold: #E8A800;
  --us-gold-bright: #FFC93C;
  --us-gold-line: rgba(232, 168, 0, 0.35);
  --us-gold-glow: rgba(232, 168, 0, 0.15);

  --us-fg: #000000;
  --us-text: #1C1C1E;
  --us-text-dim: #6E6E73;
  --us-btn-bg: #000000;
  --us-btn-fg: #FFFFFF;
}

body {
  background: var(--us-bg);
  color: var(--us-text);
  transition: background .4s, color .4s;
}

.topbar {
  background: var(--us-bg);
  border-bottom-color: var(--us-border);
}

.header {
  background: color-mix(in srgb, var(--us-bg) 70%, transparent);
  border-bottom-color: var(--us-border);
}
.header.scrolled {
  background: color-mix(in srgb, var(--us-bg) 90%, transparent);
}

.header__brand strong { color: var(--us-fg); }
.nav a { color: var(--us-text); }
.nav a:not(.nav__cta):hover { color: var(--us-fg); }

.nav__cta {
  background: var(--us-btn-bg);
  color: var(--us-btn-fg) !important;
}
.nav__cta:hover { background: var(--us-gold); color: #000 !important; }

.btn--primary {
  background: var(--us-btn-bg);
  color: var(--us-btn-fg);
}
.btn--primary:hover { background: var(--us-gold); color: #000; }

.btn--ghost {
  background: rgba(0, 0, 0, 0.04);
  color: var(--us-fg);
  border-color: var(--us-border-strong);
}
body.light-mode .btn--ghost:hover {
  background: rgba(0, 0, 0, 0.08);
  border-color: rgba(0, 0, 0, 0.25);
}

.hero { background: var(--us-bg); }

.hero__image {
  opacity: 0.25;
}
body.light-mode .hero__image {
  filter: brightness(1.02);
  opacity: 0.85;
}

body.light-mode .hero__overlay {
  background:
    linear-gradient(180deg,
      rgba(255, 255, 255, 0.15) 0%,
      rgba(255, 255, 255, 0.05) 25%,
      rgba(255, 255, 255, 0.45) 70%,
      rgba(255, 255, 255, 0.92) 95%,
      var(--us-bg) 100%);
}

body.light-mode .hero__vignette {
  background: radial-gradient(ellipse at center, transparent 40%, rgba(255, 255, 255, 0.3) 100%);
}

body.light-mode .hero__bottombar {
  background: rgba(255, 255, 255, 0.4);
  border-top-color: rgba(0, 0, 0, 0.12);
}

body.light-mode .hero__badge {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.12);
  color: var(--us-text);
}

.hero__title { color: var(--us-fg); }
.hero__title span:nth-child(1), .hero__title span:nth-child(3) {
  color: var(--us-gray-400);
}
.hero__subtitle { color: var(--us-text); }

.hero__stats { border-top-color: var(--us-border); }
.stat strong { color: var(--us-fg); }

body.light-mode .hero__scroll {
  border-color: rgba(0, 0, 0, 0.3);
}
body.light-mode .hero__scroll span { background: var(--us-fg); }

.about, .services, .industries, .technology, .smart, .recruitment, .contact {
  background: var(--us-bg);
}

.services, .industries, .technology, .smart, .recruitment, .contact {
  border-top-color: var(--us-border);
}

.section__title { color: var(--us-fg); }
.section__title .accent { color: var(--us-gray-500); }

.about__text p { color: var(--us-text); }
.about__text p strong { color: var(--us-fg); }
.about__features { border-top-color: var(--us-border); }
.about__features li { color: var(--us-text); }

.service-card {
  background: var(--us-surface);
  border-color: var(--us-border);
}
.service-card:hover {
  background: var(--us-surface-light);
  border-color: var(--us-border-strong);
}
.service-card h3 { color: var(--us-fg); }
.service-card p { color: var(--us-text-dim); }
.service-card ul { border-top-color: var(--us-border); }
.service-card ul li { color: var(--us-text); }

body.light-mode .service-card__icon {
  background: rgba(0, 0, 0, 0.05);
}

.industry-card {
  background: var(--us-surface);
  border-color: var(--us-border);
}
.industry-card:hover {
  background: var(--us-surface-light);
  border-color: var(--us-border-strong);
}
.industry-card__content h3 { color: var(--us-fg); }
.industry-card::after { color: var(--us-gray-500); }

.tech-item {
  background: var(--us-surface);
  border-color: var(--us-border);
}
.tech-item:hover {
  background: var(--us-surface-light);
  border-color: var(--us-border-strong);
}
.tech-item h4 { color: var(--us-fg); }
.tech-item p { color: var(--us-text-dim); }
body.light-mode .tech-item__icon { background: rgba(0, 0, 0, 0.05); }

.smart__text > p { color: var(--us-text); }
.smart__text > p strong { color: var(--us-fg); }
.smart-feature {
  background: var(--us-surface);
  border-color: var(--us-border);
}
.smart-feature strong { color: var(--us-fg); }
.smart-feature span { color: var(--us-text-dim); }

.smart__savings {
  background: var(--us-surface);
  border-color: var(--us-gold-line);
}
.smart__savings strong { color: var(--us-fg); }

body.light-mode .smart__phone {
  background: #FFFFFF;
  border-color: #D1D1D6;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(232, 168, 0, 0.2);
}

body.light-mode .smart__phone-screen {
  background: linear-gradient(180deg, #F5F5F7 0%, #FFFFFF 100%);
}

body.light-mode .phone-app__header strong { color: var(--us-fg); }
body.light-mode .phone-app__widget {
  background: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.1);
}
body.light-mode .phone-app__buttons button {
  background: #F5F5F7;
  color: var(--us-fg);
  border-color: rgba(0, 0, 0, 0.08);
}

.recruitment__card {
  background: var(--us-surface);
  border-color: var(--us-border);
}
.recruitment__text > p { color: var(--us-text); }
.perk {
  background: var(--us-bg);
  border-color: var(--us-border);
}
.perk strong { color: var(--us-fg); }
.perk span { color: var(--us-text-dim); }

.contact-item {
  background: var(--us-surface);
  border-color: var(--us-border);
}
.contact-item:hover {
  background: var(--us-surface-light);
  border-color: var(--us-border-strong);
}
.contact-item a, .contact-item span { color: var(--us-fg); }
body.light-mode .contact-item__icon { background: rgba(0, 0, 0, 0.05); }

.social {
  background: var(--us-surface);
  border-color: var(--us-border-strong);
  color: var(--us-text);
}
.social:hover {
  background: var(--us-btn-bg);
  color: var(--us-btn-fg);
  border-color: var(--us-btn-bg);
}

.contact__form {
  background: var(--us-surface);
  border-color: var(--us-border);
}
.contact__form input,
.contact__form select,
.contact__form textarea {
  background: var(--us-bg);
  border-color: var(--us-border-strong);
  color: var(--us-fg);
}

.footer {
  background: var(--us-bg);
  border-top-color: var(--us-border);
}
.footer__brand strong { color: var(--us-fg); }
.footer__links a:hover { color: var(--us-fg); }

body.light-mode .float-wa {
  background: #000000;
  color: #FFFFFF;
}
body.light-mode .float-wa:hover {
  background: var(--us-gold);
  color: #000;
}
