/* ============================================
   BARYSPHERE SUPPLY GROUP — Main Stylesheet
   ============================================ */

/* RESET & VARIABLES */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --deep-space: #080E14;
  --surface: #111B26;
  --capacitor-blue: #0D3B6E;
  --arc-flash: #00B4D8;
  --signal-green: #00F5C4;
  --tungsten: #CFD8E3;
  --white: #EEF2F6;
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Exo 2', sans-serif;
  background: var(--deep-space);
  color: var(--tungsten);
  overflow-x: hidden;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
}


/* ============================================
   NAVIGATION
   ============================================ */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 4rem;
  background: rgba(8,14,20,0.96);
  border-bottom: 1px solid rgba(0,180,216,0.15);
  backdrop-filter: blur(16px);
}

nav > a {
  display: flex;
  align-items: center;
  line-height: 0;
}

.logo-img {
  height: 120px;
  display: block;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--tungsten);
  text-decoration: none;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.25s;
  position: relative;
  white-space: nowrap;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--arc-flash);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--arc-flash); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: transparent;
  color: var(--arc-flash);
  padding: 0.5rem 1.4rem;
  border: 1px solid var(--arc-flash);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all 0.3s;
  text-decoration: none;
}

.nav-cta:hover {
  background: var(--arc-flash);
  color: var(--deep-space);
}


/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 65vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/images/hero-warehouse.jpg');
  background-size: cover;
  background-position: center top;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8,14,20,0.99) 0%,
    rgba(8,14,20,0.78) 50%,
    rgba(8,14,20,0.45) 100%
  );
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,180,216,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,216,0.04) 1px, transparent 1px);
  background-size: 72px 72px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  animation: fadeInUp 0.8s ease-out;
}

.hero-tag {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--signal-green);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.hero-tag::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal-green));
}

h1 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  line-height: 1.05;
  margin-bottom: 1.4rem;
  color: var(--white);
}

h1 em {
  font-style: normal;
  color: var(--arc-flash);
}

.hero-sub {
  font-size: 1rem;
  color: var(--tungsten);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 2.25rem;
  font-weight: 300;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.btn-primary {
  background: var(--arc-flash);
  color: var(--deep-space);
  padding: 0.85rem 2.2rem;
  border: none;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--signal-green);
  box-shadow: 0 0 24px rgba(0,245,196,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  padding: 0.85rem 2.2rem;
  border: 1px solid rgba(207,216,227,0.25);
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-outline:hover {
  border-color: var(--arc-flash);
  color: var(--arc-flash);
}

.hero-stats {
  display: flex;
  gap: 3.5rem;
  padding-top: 2.25rem;
  border-top: 1px solid rgba(0,180,216,0.15);
}

.stat-num {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--arc-flash);
}

.stat-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.68rem;
  color: var(--tungsten);
  margin-top: 0.25rem;
  letter-spacing: 0.06em;
  opacity: 0.7;
}


/* ============================================
   SECTION COMMONS
   ============================================ */
section {
  padding: 5.5rem 4rem;
}

.section-tag {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--signal-green);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

h2 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  line-height: 1.15;
  color: var(--white);
}


/* ============================================
   ABOUT STRIP
   ============================================ */
.about-strip {
  background: var(--surface);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 460px;
}

.about-img {
  position: relative;
  overflow: hidden;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.82) saturate(0.8);
}

.about-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 50%, var(--surface));
}

.about-text {
  padding: 4.5rem 3.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-text p {
  font-size: 0.9rem;
  color: var(--tungsten);
  line-height: 1.85;
  margin-top: 1.25rem;
  font-weight: 300;
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2rem;
}

.badge {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(0,180,216,0.3);
  color: var(--arc-flash);
  text-transform: uppercase;
  background: rgba(0,180,216,0.06);
}


/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--deep-space);
}

.services-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.services-sub {
  font-size: 0.88rem;
  color: var(--tungsten);
  max-width: 300px;
  line-height: 1.65;
  font-weight: 300;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--surface);
  overflow: hidden;
  border: 1px solid rgba(0,180,216,0.08);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  border-color: rgba(0,180,216,0.3);
  box-shadow: 0 4px 30px rgba(0,180,216,0.08);
}

.service-img {
  height: 190px;
  overflow: hidden;
  position: relative;
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.72) saturate(0.75);
  transition: transform 0.5s, filter 0.5s;
}

.service-card:hover .service-img img {
  transform: scale(1.06);
  filter: brightness(0.88) saturate(0.85);
}

.service-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--arc-flash), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover .service-img::after { opacity: 1; }

.service-body { padding: 1.4rem; }

.service-body h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.6rem;
  color: var(--white);
}

.service-body p {
  font-size: 0.82rem;
  color: var(--tungsten);
  line-height: 1.65;
  font-weight: 300;
}


/* ============================================
   TESTING & QUALITY ASSURANCE
   ============================================ */
.testing {
  background: var(--deep-space);
  border-top: 1px solid rgba(0,180,216,0.08);
}

.testing-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.testing-text h2 {
  margin-bottom: 1.25rem;
}

.testing-text > p {
  font-size: 0.9rem;
  color: var(--tungsten);
  line-height: 1.85;
  font-weight: 300;
  margin-bottom: 2rem;
}

.testing-lab {
  background: var(--surface);
  border: 1px solid rgba(0,180,216,0.12);
  padding: 2rem;
}

.testing-lab-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(0,180,216,0.1);
}

.lab-icon {
  width: 44px;
  height: 44px;
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.lab-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--arc-flash);
  fill: none;
  stroke-width: 1.5;
}

.lab-name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--white);
}

.lab-name small {
  display: block;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.62rem;
  color: var(--tungsten);
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-top: 0.2rem;
  opacity: 0.7;
}

.cert-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.cert-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: rgba(0,180,216,0.04);
  border: 1px solid rgba(0,180,216,0.08);
  transition: border-color 0.3s, background 0.3s;
  text-decoration: none;
}

.cert-item:hover {
  border-color: rgba(0,180,216,0.25);
  background: rgba(0,180,216,0.08);
}

.cert-check {
  color: var(--signal-green);
  font-size: 0.85rem;
  margin-top: 0.1rem;
  flex-shrink: 0;
}

.cert-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.cert-label {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--white);
  line-height: 1.3;
}

.cert-desc {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.58rem;
  color: var(--tungsten);
  opacity: 0.65;
  letter-spacing: 0.04em;
}

.cert-link-icon {
  font-size: 0.65rem;
  color: var(--arc-flash);
  opacity: 0.5;
  margin-left: auto;
  margin-top: 0.15rem;
  transition: opacity 0.3s;
}

.cert-item:hover .cert-link-icon {
  opacity: 1;
}


/* ============================================
   WHY US
   ============================================ */
.why {
  background: var(--surface);
}

.why-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 5rem;
  align-items: center;
}

.why-img-stack {
  position: relative;
  height: 500px;
}

.why-img-main {
  position: absolute;
  top: 0;
  left: 0;
  right: 70px;
  bottom: 70px;
  overflow: hidden;
}

.why-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.78) saturate(0.75);
}

.why-img-accent {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 52%;
  height: 44%;
  overflow: hidden;
  border: 3px solid var(--surface);
}

.why-img-accent img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.78) saturate(0.75);
}

.why-accent-badge {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--arc-flash);
  color: var(--deep-space);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.75rem;
  text-transform: uppercase;
}

.why-points {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2.25rem;
}

.why-point {
  display: flex;
  gap: 1.35rem;
}

.why-num {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  color: var(--arc-flash);
  opacity: 0.5;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.why-point h4 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: var(--white);
}

.why-point p {
  font-size: 0.83rem;
  color: var(--tungsten);
  line-height: 1.65;
  font-weight: 300;
}


/* ============================================
   PARTS GRID
   ============================================ */
.parts {
  background: var(--deep-space);
}

.parts-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.parts-intro-text {
  font-size: 0.88rem;
  color: var(--tungsten);
  max-width: 320px;
  line-height: 1.65;
  font-weight: 300;
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.part-card {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.part-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.65) saturate(0.7);
  transition: transform 0.45s, filter 0.45s;
}

.part-card:hover img {
  transform: scale(1.07);
  filter: brightness(0.85) saturate(0.85);
}

.part-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  background: linear-gradient(to top, rgba(8,14,20,0.92) 0%, transparent 65%);
}

.part-label span {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--white);
}

.part-label small {
  font-size: 0.68rem;
  color: var(--tungsten);
  margin-top: 0.2rem;
  font-weight: 300;
}

.part-card-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(0,180,216,0.12);
  border: 1px solid rgba(0,180,216,0.25);
  color: var(--arc-flash);
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  padding: 0.22rem 0.6rem;
  text-transform: uppercase;
}


/* ============================================
   PRODUCT LINES & FSC CATEGORIES
   ============================================ */
.product-lines {
  background: var(--surface);
}

.products-header {
  max-width: 820px;
  margin-bottom: 4rem;
}

.products-header h2 {
  margin-bottom: 1.25rem;
}

.products-header h2 em {
  font-style: normal;
  color: var(--arc-flash);
}

.products-desc {
  font-size: 0.9rem;
  color: var(--tungsten);
  line-height: 1.85;
  font-weight: 300;
  margin-bottom: 2rem;
}

.standards-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.standard-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0,180,216,0.06);
  border: 1px solid rgba(0,180,216,0.2);
  padding: 0.6rem 1.2rem;
}

.standard-code {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--arc-flash);
}

.standard-name {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--tungsten);
  text-transform: uppercase;
  opacity: 0.7;
}

.product-categories {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.category-block {
  display: grid;
  grid-template-columns: 340px 1fr;
  align-items: stretch;
  background: var(--deep-space);
  border: 1px solid rgba(0,180,216,0.08);
  overflow: hidden;
  transition: border-color 0.3s;
}

.category-block:hover {
  border-color: rgba(0,180,216,0.22);
}

.category-block:nth-child(even) {
  grid-template-columns: 1fr 340px;
}

.category-block:nth-child(even) .category-img {
  order: 2;
}

.category-img {
  overflow: hidden;
  min-height: 320px;
}

.category-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.65) saturate(0.7);
  transition: transform 0.5s, filter 0.5s;
}

.category-block:hover .category-img img {
  transform: scale(1.05);
  filter: brightness(0.8) saturate(0.8);
}

.category-content {
  padding: 2.5rem;
}

.category-content h3 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.category-content > p {
  font-size: 0.85rem;
  color: var(--tungsten);
  line-height: 1.75;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.fsc-table {
  width: 100%;
  border-collapse: collapse;
}

.fsc-table thead th {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--arc-flash);
  text-transform: uppercase;
  text-align: left;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid rgba(0,180,216,0.2);
  background: rgba(0,180,216,0.04);
}

.fsc-table thead th:first-child {
  width: 70px;
}

.fsc-table tbody td {
  font-size: 0.82rem;
  color: var(--tungsten);
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid rgba(0,180,216,0.06);
  font-weight: 300;
}

.fsc-table tbody td:first-child {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.72rem;
  color: var(--arc-flash);
  letter-spacing: 0.04em;
  font-weight: 400;
}

.fsc-table tbody tr:last-child td {
  border-bottom: none;
}

.fsc-table tbody tr {
  transition: background 0.2s;
}

.fsc-table tbody tr:hover {
  background: rgba(0,180,216,0.04);
}

.products-cta {
  margin-top: 3rem;
  padding: 2rem 2.5rem;
  background: var(--deep-space);
  border: 1px solid rgba(0,180,216,0.12);
  border-left: 3px solid var(--arc-flash);
}

.products-cta p {
  font-size: 0.9rem;
  color: var(--tungsten);
  line-height: 1.75;
  font-weight: 300;
}

.products-cta a {
  color: var(--arc-flash);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.25s;
}

.products-cta a:hover {
  color: var(--signal-green);
}


/* ============================================
   CONTACT
   ============================================ */
.contact {
  background: var(--surface);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
}

.contact-img {
  height: 220px;
  overflow: hidden;
  margin-bottom: 2.25rem;
}

.contact-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: brightness(0.78) saturate(0.75);
}

.contact p {
  font-size: 0.875rem;
  color: var(--tungsten);
  line-height: 1.75;
  margin: 1.1rem 0 1.75rem;
  font-weight: 300;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.1rem;
}

.contact-detail svg {
  width: 15px;
  height: 15px;
  stroke: var(--arc-flash);
  fill: none;
  stroke-width: 1.5;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.contact-detail span {
  font-size: 0.875rem;
  color: var(--tungsten);
  line-height: 1.5;
}

.form-wrap {
  background: var(--deep-space);
  padding: 2.75rem;
  border: 1px solid rgba(0,180,216,0.1);
}


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

.form-group {
  margin-bottom: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--tungsten);
  text-transform: uppercase;
  opacity: 0.7;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(0,180,216,0.04);
  border: 1px solid rgba(0,180,216,0.15);
  color: var(--white);
  font-family: 'Exo 2', sans-serif;
  font-size: 0.88rem;
  padding: 0.65rem 0.9rem;
  outline: none;
  width: 100%;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--arc-flash);
  box-shadow: 0 0 12px rgba(0,180,216,0.1);
}

.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23CFD8E3' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
}

.form-group select option { background: var(--surface); }
.form-group textarea { resize: vertical; min-height: 120px; }

.submit-btn {
  width: 100%;
  background: var(--arc-flash);
  color: var(--deep-space);
  border: none;
  padding: 0.95rem;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.5rem;
  transition: all 0.3s;
}

.submit-btn:hover {
  background: var(--signal-green);
  box-shadow: 0 0 20px rgba(0,245,196,0.25);
}

#success-msg {
  display: none;
  text-align: center;
  padding: 1.75rem;
  color: var(--signal-green);
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.05rem;
}


/* ============================================
   FOOTER
   ============================================ */
footer {
  background: #050a10;
  padding: 2.75rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(0,180,216,0.08);
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-logo-img {
  height: 36px;
  display: block;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--tungsten);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color 0.25s;
  text-transform: uppercase;
}

.footer-links a:hover { color: var(--arc-flash); }

.footer-copy {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.65rem;
  color: rgba(207,216,227,0.3);
}


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


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1280px) {
  .logo-img { height: 90px; }
  nav { padding: 1rem 2.5rem; }
  .nav-links { gap: 1.5rem; }
}

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testing-inner { grid-template-columns: 1fr; gap: 3rem; }
  .logo-img { height: 80px; }
  nav { padding: 0.875rem 1.75rem; }
  .nav-links { gap: 1.2rem; }
}

@media (max-width: 768px) {
  nav { padding: 0.75rem 1.5rem; }
  .logo-img { height: 56px; }
  .nav-links { display: none; }
  .hero { padding: 3rem 1.5rem 3.5rem; min-height: 75vh; }
  .hero-stats { gap: 2rem; flex-wrap: wrap; }
  section { padding: 3.5rem 1.5rem; }
  .about-strip { grid-template-columns: 1fr; }
  .about-img { height: 260px; }
  .about-img-overlay { background: linear-gradient(to top, var(--surface) 10%, transparent); }
  .about-text { padding: 2.5rem 1.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .why-inner { grid-template-columns: 1fr; gap: 3rem; }
  .why-img-stack { height: 300px; }
  .parts-grid { grid-template-columns: 1fr 1fr; }
  .category-block,
  .category-block:nth-child(even) { grid-template-columns: 1fr; }
  .category-block:nth-child(even) .category-img { order: 0; }
  .category-img { min-height: 200px; max-height: 220px; }
  .category-content { padding: 1.5rem; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  footer { padding: 2rem 1.5rem; flex-direction: column; align-items: flex-start; }
}