/* 
  ONSIGHT GLOBAL LIMITED
  Premium dark luxury website
  ------------------------------------------------------------
  Brand colors:
  Matte Black: #0B0B0B
  Charcoal: #1A1A1A
  Metallic Gold: #D4AF37
  Soft Gold: #C9A227
  White: #F5F5F5
  Grey Typography: #B8B8B8
*/

:root {
  --black: #0b0b0b;
  --black-2: #101010;
  --charcoal: #1a1a1a;
  --charcoal-2: #242424;
  --gold: #d4af37;
  --soft-gold: #c9a227;
  --white: #f5f5f5;
  --grey: #b8b8b8;
  --muted: #777777;
  --line: rgba(212, 175, 55, 0.18);
  --glass: rgba(255, 255, 255, 0.045);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --container: 1180px;
  --header-height: 82px;
  --font-primary: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Montserrat", "Inter", "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--black);
}

body {
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at top left, rgba(212, 175, 55, 0.10), transparent 30rem),
    radial-gradient(circle at 80% 10%, rgba(212, 175, 55, 0.07), transparent 28rem),
    var(--black);
  font-family: var(--font-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

::selection {
  color: var(--black);
  background: var(--gold);
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  color: var(--black);
  background: var(--gold);
  border-radius: 999px;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 6.5rem 0;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.04), transparent),
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 100% 100%, 100% 6.5rem;
  mask-image: linear-gradient(transparent, black 12%, black 88%, transparent);
}

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  background: var(--black);
  transition: opacity 600ms ease, visibility 600ms ease;
}

.site-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-mark {
  position: relative;
  width: min(280px, 56vw);
  filter: drop-shadow(0 28px 52px rgba(212, 175, 55, 0.18));
  animation: loaderFloat 1.4s ease-in-out infinite alternate;
}

.loader-line {
  position: absolute;
  bottom: 18%;
  left: 50%;
  width: min(260px, 50vw);
  height: 1px;
  overflow: hidden;
  background: rgba(212, 175, 55, 0.16);
  transform: translateX(-50%);
}

.loader-line::before {
  content: "";
  display: block;
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: loaderLine 1.15s linear infinite;
}

@keyframes loaderFloat {
  from { transform: translateY(0) scale(0.985); opacity: 0.78; }
  to { transform: translateY(-10px) scale(1); opacity: 1; }
}

@keyframes loaderLine {
  from { transform: translateX(-100%); }
  to { transform: translateX(260%); }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: background 260ms ease, border-color 260ms ease, backdrop-filter 260ms ease;
}

.site-header.is-scrolled {
  background: rgba(11, 11, 11, 0.72);
  border-bottom-color: rgba(212, 175, 55, 0.14);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 178px;
  min-width: 178px;
  filter: drop-shadow(0 12px 28px rgba(212, 175, 55, 0.15));
}

.brand-logo {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  color: rgba(245, 245, 245, 0.78);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  transition: color 220ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.55rem;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 220ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 50%;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 6px auto;
  background: var(--gold);
  transition: transform 220ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Hero */
.hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-top: calc(var(--header-height) + 3rem);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: -2px;
  opacity: 0.24;
  background:
    linear-gradient(rgba(212, 175, 55, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.10) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: radial-gradient(circle at 55% 45%, black, transparent 65%);
}

.hero-glow {
  position: absolute;
  width: 36rem;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.34;
  background: rgba(212, 175, 55, 0.18);
}

.hero-glow--left {
  top: 12%;
  left: -22rem;
}

.hero-glow--right {
  right: -20rem;
  bottom: 5%;
}

.orbital-system {
  position: absolute;
  top: 52%;
  right: clamp(-9rem, 4vw, 5rem);
  width: min(46rem, 86vw);
  aspect-ratio: 1;
  transform: translateY(-50%);
  opacity: 0.72;
}

.orbit {
  position: absolute;
  inset: 10%;
  border: 1px solid rgba(212, 175, 55, 0.20);
  border-radius: 50%;
  transform: rotateX(68deg) rotateZ(0deg);
  animation: orbitSpin 22s linear infinite;
}

.orbit::before {
  content: "";
  position: absolute;
  top: 49%;
  left: -4px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 26px rgba(212, 175, 55, 0.9);
}

.orbit--two {
  inset: 20%;
  animation-duration: 15s;
  animation-direction: reverse;
}

.orbit--three {
  inset: 29%;
  border-color: rgba(245, 245, 245, 0.10);
  animation-duration: 28s;
}

.globe-core {
  position: absolute;
  inset: 38%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(245, 245, 245, 0.75), transparent 8%),
    radial-gradient(circle at 58% 45%, rgba(212, 175, 55, 0.95), transparent 16%),
    radial-gradient(circle at 40% 60%, rgba(212, 175, 55, 0.45), transparent 28%),
    #111;
  border: 1px solid rgba(212, 175, 55, 0.35);
  box-shadow:
    inset 0 0 40px rgba(212, 175, 55, 0.15),
    0 0 70px rgba(212, 175, 55, 0.15);
}

@keyframes orbitSpin {
  to { transform: rotateX(68deg) rotateZ(360deg); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 490px);
  gap: 4rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.25rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 2.4rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.02;
}

h1 {
  max-width: 850px;
  font-size: clamp(3.65rem, 9vw, 8.2rem);
  font-weight: 800;
  letter-spacing: -0.08em;
}

h2 {
  font-size: clamp(2.3rem, 5vw, 4.9rem);
  font-weight: 800;
  letter-spacing: -0.06em;
}

h3 {
  font-size: clamp(1.18rem, 2vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.hero-text {
  max-width: 700px;
  margin: 1.6rem 0 0;
  color: var(--grey);
  font-size: clamp(1.05rem, 1.6vw, 1.24rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.4rem;
}

.btn {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 1.35rem;
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.36);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease,
    color 220ms ease;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.34), transparent);
  transform: translateX(-120%);
  transition: transform 650ms ease;
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: translateX(120%);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn--gold {
  color: #080808;
  background:
    linear-gradient(135deg, #fbecac, var(--gold) 42%, #9e7418 100%);
  box-shadow: 0 20px 60px rgba(212, 175, 55, 0.20);
}

.btn--outline {
  color: var(--white);
  background: rgba(255, 255, 255, 0.02);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: rgba(212, 175, 55, 0.72);
  background: rgba(212, 175, 55, 0.08);
}

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

.btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.hero-panel {
  position: relative;
  min-height: 520px;
}

.hero-logo-card {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(470px, 82vw);
  padding: 2.2rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(11, 11, 11, 0.45);
  border: 1px solid rgba(212, 175, 55, 0.20);
  border-radius: 36px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  transform: translate(-50%, -50%);
}

.hero-logo-card::after {
  content: "";
  position: absolute;
  inset: 1rem;
  z-index: -1;
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-radius: 26px;
}

.hero-logo-card img {
  filter: drop-shadow(0 22px 40px rgba(212, 175, 55, 0.12));
}

.signal-card {
  position: absolute;
  padding: 0.8rem 1rem;
  color: var(--white);
  background: rgba(20, 20, 20, 0.72);
  border: 1px solid rgba(212, 175, 55, 0.20);
  border-radius: 999px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.40);
  backdrop-filter: blur(14px);
}

.signal-card span {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.signal-card--top {
  top: 5.5rem;
  right: 0;
}

.signal-card--bottom {
  bottom: 5rem;
  left: 0;
}

.scroll-cue {
  position: absolute;
  right: 2.2rem;
  bottom: 2rem;
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.scroll-cue span {
  width: 1px;
  height: 48px;
  overflow: hidden;
  background: rgba(212, 175, 55, 0.2);
}

.scroll-cue span::before {
  content: "";
  display: block;
  width: 100%;
  height: 18px;
  background: var(--gold);
  animation: scrollCue 1.4s ease-in-out infinite;
}

@keyframes scrollCue {
  from { transform: translateY(-100%); }
  to { transform: translateY(280%); }
}

/* Sections */
.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.section-heading {
  position: relative;
  z-index: 2;
}

.section-heading p:not(.eyebrow) {
  max-width: 690px;
  margin: 1.2rem 0 0;
  color: var(--grey);
  font-size: 1.05rem;
}

.section-heading--center {
  max-width: 860px;
  margin: 0 auto 3.2rem;
  text-align: center;
}

.section-heading--center .eyebrow {
  justify-content: center;
}

.rich-copy {
  position: relative;
  z-index: 2;
  color: var(--grey);
  font-size: 1.05rem;
}

.rich-copy p {
  margin: 0 0 1.2rem;
}

.identity-card {
  margin-top: 2rem;
  padding: clamp(1.35rem, 3vw, 2.2rem);
  background:
    linear-gradient(145deg, rgba(212, 175, 55, 0.08), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

.card-label {
  margin: 0 0 0.7rem !important;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.identity-card h3 {
  margin-bottom: 0.9rem;
  color: var(--white);
}

.identity-card address {
  color: var(--grey);
  font-style: normal;
}

/* Services */
.services {
  background:
    radial-gradient(circle at 20% 0%, rgba(212, 175, 55, 0.10), transparent 28rem),
    linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.018), transparent);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(212, 175, 55, 0.16);
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-card {
  position: relative;
  min-height: 295px;
  padding: 1.55rem;
  background:
    radial-gradient(circle at top right, rgba(212, 175, 55, 0.11), transparent 15rem),
    #101010;
  transition: transform 260ms ease, background 260ms ease;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: auto 1.55rem 1.55rem 1.55rem;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0.2);
  transform-origin: left;
  transition: transform 260ms ease;
}

.service-card:hover {
  background:
    radial-gradient(circle at top right, rgba(212, 175, 55, 0.20), transparent 15rem),
    #151515;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-number {
  display: block;
  margin-bottom: 4.5rem;
  color: rgba(212, 175, 55, 0.70);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.service-card p {
  margin: 1rem 0 0;
  color: var(--grey);
}

/* Industries */
.industry-cloud {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.industry-cloud span {
  padding: 0.75rem 1rem;
  color: rgba(245, 245, 245, 0.86);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(212, 175, 55, 0.20);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  transition: transform 220ms ease, background 220ms ease, border-color 220ms ease;
}

.industry-cloud span:hover {
  transform: translateY(-3px);
  background: rgba(212, 175, 55, 0.10);
  border-color: rgba(212, 175, 55, 0.42);
}

/* Why */
.why {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.018), transparent),
    radial-gradient(circle at 80% 15%, rgba(212, 175, 55, 0.10), transparent 30rem);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.why-item {
  padding: 1.45rem;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.052), rgba(255,255,255,0.018));
  border: 1px solid rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-md);
  transition: transform 240ms ease, border-color 240ms ease;
}

.why-item:hover {
  transform: translateY(-5px);
  border-color: rgba(212, 175, 55, 0.38);
}

.why-icon {
  width: 42px;
  aspect-ratio: 1;
  margin-bottom: 1.4rem;
  border: 1px solid rgba(212, 175, 55, 0.56);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 47%, rgba(212, 175, 55, 0.80) 48% 52%, transparent 53%),
    linear-gradient(0deg, transparent 47%, rgba(212, 175, 55, 0.80) 48% 52%, transparent 53%);
  box-shadow: 0 0 40px rgba(212, 175, 55, 0.10);
}

.why-item p {
  margin: 0.75rem 0 0;
  color: var(--grey);
}

/* Operations */
.operations {
  overflow: hidden;
}

.operation-gallery {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  grid-auto-rows: minmax(260px, auto);
  gap: 1rem;
}

.operation-tile {
  position: relative;
  min-height: 310px;
  overflow: hidden;
  background: var(--charcoal);
  border: 1px solid rgba(212, 175, 55, 0.16);
  border-radius: var(--radius-lg);
  box-shadow: 0 22px 90px rgba(0, 0, 0, 0.32);
}

.operation-tile--large {
  grid-row: span 2;
  min-height: 638px;
}

.operation-tile--wide {
  grid-column: span 2;
  min-height: 330px;
}

.tile-visual {
  position: absolute;
  inset: 0;
  transition: transform 800ms ease;
}

.operation-tile:hover .tile-visual {
  transform: scale(1.045);
}

.tile-visual::before,
.tile-visual::after {
  content: "";
  position: absolute;
  inset: 0;
}

.tile-visual::before {
  background:
    linear-gradient(180deg, rgba(0,0,0,0.10), rgba(0,0,0,0.88)),
    radial-gradient(circle at 28% 22%, rgba(212, 175, 55, 0.26), transparent 22rem);
  z-index: 2;
}

.tile-visual::after {
  opacity: 0.46;
  background:
    linear-gradient(90deg, rgba(212, 175, 55, 0.13) 1px, transparent 1px),
    linear-gradient(rgba(245,245,245,0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(transparent, black 20%, black 80%, transparent);
}

.tile-visual--factory {
  background:
    linear-gradient(120deg, #141414, #252017 45%, #0b0b0b),
    repeating-linear-gradient(90deg, transparent 0 42px, rgba(212, 175, 55, 0.11) 43px 44px);
}

.tile-visual--trade {
  background:
    radial-gradient(circle at 35% 30%, rgba(212, 175, 55, 0.26), transparent 12rem),
    linear-gradient(135deg, #0b0b0b, #242424);
}

.tile-visual--inspection {
  background:
    linear-gradient(135deg, #191919, #0b0b0b),
    radial-gradient(circle at 72% 24%, rgba(212, 175, 55, 0.24), transparent 12rem);
}

.tile-visual--logistics {
  background:
    linear-gradient(100deg, #0b0b0b, #1c1c1c 40%, #2f2818),
    repeating-linear-gradient(0deg, transparent 0 44px, rgba(212, 175, 55, 0.10) 45px 46px);
}

.tile-content {
  position: absolute;
  z-index: 3;
  right: 1.6rem;
  bottom: 1.6rem;
  left: 1.6rem;
}

.tile-content span {
  display: block;
  margin-bottom: 0.7rem;
  color: var(--gold);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

/* Process */
.process-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.process-line::before {
  content: "";
  position: absolute;
  top: 2.4rem;
  right: 10%;
  left: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.45), transparent);
}

.process-step {
  position: relative;
  padding: 1.5rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(212, 175, 55, 0.14);
  border-radius: var(--radius-md);
}

.process-step span {
  position: relative;
  z-index: 2;
  display: inline-grid;
  place-items: center;
  width: 48px;
  aspect-ratio: 1;
  margin-bottom: 1.3rem;
  color: var(--black);
  background: linear-gradient(135deg, #f2df91, var(--gold));
  border-radius: 50%;
  font-size: 0.76rem;
  font-weight: 900;
}

.process-step p {
  margin: 0.7rem 0 0;
  color: var(--grey);
}

/* Contact */
.contact {
  background:
    radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.11), transparent 30rem),
    linear-gradient(180deg, transparent, rgba(255,255,255,0.018));
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.contact-copy p:not(.eyebrow) {
  color: var(--grey);
  font-size: 1.05rem;
}

.contact-details {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.contact-details div {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(212, 175, 55, 0.14);
  border-radius: var(--radius-sm);
}

.contact-details span {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-details strong {
  color: rgba(245, 245, 245, 0.92);
  font-size: 0.95rem;
}

.contact-form {
  padding: clamp(1.2rem, 4vw, 2rem);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.026));
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.form-row {
  margin-bottom: 1rem;
}

.form-row--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  display: block;
  margin-bottom: 0.45rem;
  color: rgba(245, 245, 245, 0.78);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

input,
textarea,
select {
  width: 100%;
  color: var(--white);
  background: rgba(0, 0, 0, 0.30);
  border: 1px solid rgba(212, 175, 55, 0.18);
  border-radius: 14px;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

input,
select {
  height: 52px;
  padding: 0 0.95rem;
}

textarea {
  resize: vertical;
  min-height: 148px;
  padding: 0.9rem 0.95rem;
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--gold) 50%),
    linear-gradient(135deg, var(--gold) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px;
  background-repeat: no-repeat;
}

input:focus,
textarea:focus,
select:focus {
  background: rgba(0, 0, 0, 0.42);
  border-color: rgba(212, 175, 55, 0.62);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.10);
}

.form-note {
  min-height: 1.4rem;
  margin: 0.9rem 0 0;
  color: var(--grey);
  font-size: 0.86rem;
}

.form-note code {
  color: var(--gold);
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(212, 175, 55, 0.14);
  background: #070707;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  padding: 1.4rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-brand {
  width: 150px;
  filter: drop-shadow(0 14px 30px rgba(212, 175, 55, 0.12));
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 760ms ease,
    transform 760ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--delay, 0ms);
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Responsive */
@media (max-width: 1080px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .hero-panel {
    min-height: 360px;
  }

  .orbital-system {
    right: -17rem;
    opacity: 0.42;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 72px;
  }

  .section {
    padding: 5rem 0;
  }

  .brand {
    width: 144px;
    min-width: 144px;
  }

  .nav-toggle {
    display: block;
    position: relative;
    z-index: 102;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 101;
    flex-direction: column;
    justify-content: center;
    gap: 1.8rem;
    background:
      radial-gradient(circle at 50% 20%, rgba(212, 175, 55, 0.14), transparent 22rem),
      rgba(8, 8, 8, 0.96);
    backdrop-filter: blur(18px);
    transform: translateX(100%);
    transition: transform 300ms ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav a {
    font-size: 1.05rem;
  }

  .grid-2,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .operation-gallery {
    grid-template-columns: 1fr;
  }

  .operation-tile--large,
  .operation-tile--wide {
    grid-row: auto;
    grid-column: auto;
    min-height: 340px;
  }

  .process-line {
    grid-template-columns: 1fr 1fr;
  }

  .process-line::before {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 1.2rem), var(--container));
  }

  .hero {
    min-height: auto;
    padding-bottom: 5rem;
  }

  h1 {
    font-size: clamp(3.2rem, 17vw, 4.8rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-panel {
    min-height: 270px;
  }

  .hero-logo-card {
    width: min(350px, 92vw);
    padding: 1.25rem;
    border-radius: 24px;
  }

  .signal-card {
    display: none;
  }

  .scroll-cue {
    display: none;
  }

  .service-grid,
  .why-grid,
  .process-line,
  .form-row--split {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .service-number {
    margin-bottom: 2.2rem;
  }

  .operation-tile,
  .operation-tile--large,
  .operation-tile--wide {
    min-height: 300px;
  }
}