/* ============================================================
   ADEPTEC — style.css
   Brand: Yellow #E8A800 | Dark #2B2B2B | White #FFFFFF
   ============================================================ */

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

:root {
  --yellow: #E8A800;
  --yellow-dark: #CC9500;
  --dark: #2B2B2B;
  --dark2: #1A1A1A;
  --mid: #4A4A4A;
  --light: #F5F5F5;
  --white: #FFFFFF;
  --radius: 4px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.18);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- UTILITY ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header.light .section-tag { color: var(--yellow); }
.section-header.light h2 { color: var(--white); }

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 12px;
  position: relative;
  padding: 0 16px;
}
.section-tag::before, .section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 32px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}
.section-tag::before { right: 100%; margin-right: -8px; }
.section-tag::after  { left: 100%; margin-left: -8px; }

h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.15;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-dark {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn-dark:hover {
  background: var(--dark2);
  border-color: var(--dark2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(43,43,43,0.3);
}

.btn-outline-dark {
  background: transparent;
  color: var(--dark);
  border-color: var(--dark);
}
.btn-outline-dark:hover {
  background: var(--dark);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ---- REVEAL ANIMATION ---- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAV
   ============================================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
#navbar.scrolled {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}
#navbar.scrolled .nav-logo { color: var(--dark); }
#navbar.scrolled .nav-links a { color: var(--dark); }
#navbar.scrolled .nav-links a:hover { color: var(--dark); }
#navbar.scrolled .hamburger span { background: var(--dark); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  color: var(--dark);
  text-decoration: none;
  display: flex;
  align-items: center;
}
.logo-svg {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  color: var(--dark);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
  letter-spacing: 0.2px;
}
.nav-links a:hover { background: rgba(43,43,43,0.07); }
.nav-links .nav-cta {
  background: var(--dark);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: var(--radius);
}
.nav-links .nav-cta:hover {
  background: var(--dark2) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  min-height: 100vh;
  background: var(--yellow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(0,0,0,0.06) 0%, transparent 50%);
  pointer-events: none;
}

/* subtle grid pattern */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(43,43,43,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,43,43,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 900px;
  width: 100%;
}

.hero-logo-wrap {
  margin-bottom: 24px;
  animation: heroFadeIn 1s ease both;
  display: flex;
  justify-content: center;
}
.hero-logo-svg {
  height: 80px;
  width: auto;
}

.hero-tagline {
  font-size: 15px;
  letter-spacing: 2px;
  color: rgba(43,43,43,0.7);
  margin-bottom: 48px;
  animation: heroFadeIn 1s 0.2s ease both;
}
.hero-tagline strong { color: var(--dark); }

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 80px;
  animation: heroFadeIn 1s 0.4s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  background: rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: var(--radius-lg);
  padding: 24px 40px;
  animation: heroFadeIn 1s 0.6s ease both;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
}
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.1;
}
.stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(43,43,43,0.6);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(43,43,43,0.2);
  flex-shrink: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  animation: bounce 2s infinite;
  text-decoration: none;
  z-index: 1;
}
.hero-scroll-hint svg { width: 20px; height: 20px; }

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
#about {
  padding: 100px 0;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.about-card {
  padding: 40px 32px;
  border: 1px solid #E8E8E8;
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--yellow);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.about-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.about-card:hover::before { transform: scaleX(1); }

.about-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}
.about-icon svg { width: 48px; height: 48px; }

.about-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}
.about-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mid);
  margin-bottom: 12px;
}
.about-card p:last-child { margin-bottom: 0; }

/* ============================================================
   SERVICES
   ============================================================ */
#services {
  padding: 100px 0;
  background: var(--dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,168,0,0.05), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  border-color: rgba(232,168,0,0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.service-card:hover::after { opacity: 1; }

.service-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.2);
  margin-bottom: 24px;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}
.service-icon svg { width: 48px; height: 48px; }

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.3;
}
.service-card p {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.service-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-card ul li {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  padding-left: 16px;
  position: relative;
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: var(--yellow);
  border-radius: 50%;
}

/* ============================================================
   SECTORS
   ============================================================ */
#sectors {
  padding: 100px 0;
  background: var(--light);
}

.sectors-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.sector-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 140px;
  max-width: 180px;
}

.sector-icon {
  width: 80px;
  height: 80px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.sector-icon svg { width: 64px; height: 64px; }
.sector-item:hover .sector-icon {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.sector-item span {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  text-align: center;
  letter-spacing: 0.3px;
}

/* ============================================================
   FACILITIES
   ============================================================ */
#facilities {
  padding: 100px 0;
  background: var(--yellow);
}
#facilities .section-tag { color: var(--dark); opacity: 0.6; }

.facilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.facility-card {
  background: rgba(255,255,255,0.45);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition);
}
.facility-card:hover {
  background: rgba(255,255,255,0.65);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
}

.facility-badge {
  display: inline-block;
  background: var(--dark);
  color: var(--yellow);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 24px;
}

.facility-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 20px;
}
.facility-icon svg { width: 56px; height: 56px; }

.facility-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}
.facility-card p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(43,43,43,0.72);
}

/* ============================================================
   CASE STUDIES
   ============================================================ */
#casestudies {
  padding: 100px 0;
  background: var(--dark2);
}

.cs-filter-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}
.cs-filter {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.55);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}
.cs-filter:hover,
.cs-filter.active {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--dark);
}

.cs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cs-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.cs-card:hover {
  border-color: rgba(232,168,0,0.35);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35);
}
.cs-card.hidden { display: none; }

.cs-header {
  padding: 20px 24px 0;
}
.cs-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
}
.cs-tag.electronics { background: rgba(59,130,246,0.15); color: #60A5FA; }
.cs-tag.medical      { background: rgba(16,185,129,0.15); color: #34D399; }
.cs-tag.industrial   { background: rgba(232,168,0,0.15); color: #E8A800; }
.cs-tag.automotive   { background: rgba(239,68,68,0.15);  color: #FC8181; }
.cs-tag.molds        { background: rgba(168,85,247,0.15); color: #C084FC; }

.cs-body {
  padding: 20px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cs-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.4;
}
.cs-body p {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
  flex: 1;
}

.cs-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 18px;
  margin-top: auto;
}
.cs-meta-item {
  display: flex;
  gap: 8px;
  align-items: baseline;
}
.cs-meta-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  min-width: 64px;
  flex-shrink: 0;
}
.cs-meta-value {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

/* ============================================================
   CS PHOTOS
   ============================================================ */
.cs-photos {
  display: grid;
  height: 168px;
  overflow: hidden;
  gap: 2px;
  background: #111;
}
.cs-photos.single { grid-template-columns: 1fr; }
.cs-photos.duo    { grid-template-columns: 1fr 1fr; }
.cs-photos img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.88) contrast(1.04);
  transition: filter var(--transition);
}
.cs-card:hover .cs-photos img { filter: brightness(1) contrast(1); }

/* ============================================================
   CLIENTS MARQUEE
   ============================================================ */
#clients {
  padding: 80px 0;
  background: var(--white);
}

.marquee-outer {
  overflow: hidden;
  position: relative;
  margin-top: 40px;
}
.marquee-outer::before,
.marquee-outer::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
}
.marquee-outer::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}
.marquee-outer::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

.marquee-track {
  display: flex;
  gap: 24px;
  animation: marquee 28s linear infinite;
  width: max-content;
  padding: 12px 0;
}
.marquee-track:hover {
  animation-play-state: paused;
}

.client-chip {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid #E8E8E8;
  border-radius: 12px;
  padding: 14px 28px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.client-chip:hover {
  border-color: var(--yellow);
  box-shadow: 0 4px 16px rgba(232,168,0,0.18);
  transform: translateY(-2px);
}
.client-chip img {
  height: 36px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.65);
  transition: filter var(--transition);
}
.client-chip:hover img {
  filter: grayscale(0%) opacity(1);
}
.client-chip span {
  font-size: 13px;
  font-weight: 600;
  color: var(--mid);
  letter-spacing: 0.3px;
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   CONTACT
   ============================================================ */
#contact {
  padding: 100px 0;
  background: var(--yellow);
}
#contact .section-tag { opacity: 0.6; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}
.contact-info > p {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(43,43,43,0.7);
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-item strong {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(43,43,43,0.5);
  margin-bottom: 4px;
}
.contact-item p {
  font-size: 14px;
  color: var(--dark);
  line-height: 1.6;
  margin: 0;
}
.contact-item a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 600;
}
.contact-item a:hover { text-decoration: underline; }

/* form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.12);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--mid);
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 14px;
  color: var(--dark);
  background: var(--light);
  border: 1.5px solid #E0E0E0;
  border-radius: var(--radius);
  padding: 12px 16px;
  outline: none;
  transition: var(--transition);
  width: 100%;
  resize: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--dark);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(43,43,43,0.06);
}
.form-group select { cursor: pointer; }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.3);
  color: #065f46;
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
}
.form-success svg { width: 20px; height: 20px; flex-shrink: 0; }
.form-success.show { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  background: var(--dark2);
  padding: 80px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo-svg {
  height: 44px;
  width: auto;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 12px;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.35);
  margin-bottom: 20px;
}
.footer-tagline strong { color: rgba(255,255,255,0.6); }

.footer-desc {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255,255,255,0.4);
  max-width: 320px;
}

.footer-links-col h4,
.footer-contact-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 20px;
}
.footer-links-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links-col a {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: var(--transition);
}
.footer-links-col a:hover { color: var(--white); padding-left: 4px; }

.footer-contact-col p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
  margin-bottom: 8px;
}
.footer-contact-col a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}
.footer-contact-col a:hover { color: var(--yellow); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
}
.back-to-top svg { width: 18px; height: 18px; }
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--yellow);
  color: var(--dark);
  transform: translateY(-3px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid  { grid-template-columns: repeat(2, 1fr); }
  .cs-grid        { grid-template-columns: repeat(2, 1fr); }
  .footer-top     { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--dark) !important; }
  .nav-links .nav-cta { text-align: center; }

  #navbar { background: var(--white) !important; box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
  .nav-logo { color: var(--dark) !important; }
  .hamburger span { background: var(--dark) !important; }

  .hero-logo-svg { height: 56px; }
  .hero-stats { padding: 20px 16px; }
  .stat { padding: 0 16px; }
  .stat-num { font-size: 22px; }

  .about-grid      { grid-template-columns: 1fr; }
  .services-grid   { grid-template-columns: 1fr; }
  .facilities-grid { grid-template-columns: 1fr; }
  .cs-grid         { grid-template-columns: 1fr; }
  .sectors-row     { gap: 16px; }

  .contact-grid    { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-wrap { padding: 32px 24px; }
  .form-row        { grid-template-columns: 1fr; }

  .footer-top      { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom   { flex-direction: column; gap: 8px; text-align: center; }

  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 60px; height: 1px; }
  .cs-filter-row { gap: 8px; }
}