/* =============================================
   RABOTNICI — style.css
   Corporate Tech | Dark Edition
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
  --bg-base:        #08080f;
  --bg-surface:     #0e0e1c;
  --bg-card:        #12122080;
  --bg-card-solid:  #111120;
  --bg-border:      #1e1e38;

  --purple-deep:    #1a1a2e;
  --purple-mid:     #16213e;
  --purple-accent:  #533483;
  --blue-dark:      #0f3460;
  --blue-mid:       #1a4a8a;
  --blue-bright:    #2d6cdf;
  --cta-red:        #e94560;
  --cta-red-hover:  #c73050;

  --text-primary:   #f0f0f8;
  --text-secondary: #9898b8;
  --text-muted:     #5a5a78;
  --text-accent:    #6ab4ff;

  --border-subtle:  rgba(255,255,255,0.06);
  --border-glow:    rgba(83,52,131,0.4);
  --glow-blue:      rgba(45,108,223,0.25);
  --glow-purple:    rgba(83,52,131,0.3);

  --font-display: 'Rajdhani', sans-serif;
  --font-body:    'Nunito Sans', sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-h:   72px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ---------- Noise Overlay (global texture) ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 1000;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 900;
  background: rgba(8, 8, 15, 0.85);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(8, 8, 15, 0.97);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.logo-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 12px;
  padding: 6px 12px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.15),
    0 4px 16px rgba(0,0,0,0.35),
    0 0 24px rgba(83,52,131,0.25);
  transition: box-shadow var(--transition), transform var(--transition);
}

.logo-img-wrap:hover {
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.25),
    0 6px 24px rgba(0,0,0,0.45),
    0 0 36px rgba(83,52,131,0.45);
  transform: translateY(-1px);
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* Main Nav */
.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%; right: 50%;
  height: 2px;
  background: var(--blue-bright);
  transition: left var(--transition), right var(--transition);
  border-radius: 2px;
}

.main-nav a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.main-nav a:hover::after {
  left: 14px;
  right: 14px;
}

.main-nav .nav-cta {
  background: linear-gradient(135deg, var(--purple-accent), var(--blue-bright));
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.15);
  margin-left: 8px;
  box-shadow:
    0 0 14px rgba(83,52,131,0.5),
    0 2px 8px rgba(0,0,0,0.35);
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

.main-nav .nav-cta:hover {
  background: linear-gradient(135deg, #6b45a8, var(--blue-bright));
  color: #ffffff;
  box-shadow:
    0 0 22px rgba(83,52,131,0.7),
    0 4px 16px rgba(0,0,0,0.4);
}

.main-nav .nav-cta::after { display: none; }

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 6px;
}

.lang-btn {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 3px;
  transition: color var(--transition), background var(--transition);
}

.lang-btn.active {
  background: var(--purple-accent);
  color: #fff;
}

.lang-btn:not(.active):hover {
  color: var(--text-primary);
}

.lang-divider {
  color: var(--text-muted);
  font-size: 12px;
  opacity: 0.5;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.hamburger:hover { background: rgba(255,255,255,0.06); }

.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
  transform-origin: center;
}

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

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

/* Background placeholder — replace url() with real image when available */
.bg-construction {
  background:
    linear-gradient(135deg, #0c0c20 0%, #0f1635 40%, #1a0a2e 100%);
}

/* Hero photo background layer */
.hero-photo-bg {
  position: absolute;
  inset: -10px;
  background: url('Assets/Backgrounds/Hero.jpg') center/cover no-repeat;
  opacity: 0.5;
  filter: blur(6px);
  transform: scale(1.05);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(83,52,131,0.2) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(45,108,223,0.15) 0%, transparent 60%),
    linear-gradient(to bottom, rgba(8,8,15,0.3) 0%, rgba(8,8,15,0.7) 100%);
  pointer-events: none;
}

/* Animated grid lines */
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 80px;
  padding-bottom: 120px;
  max-width: 900px;
}

@media (min-width: 1200px) {
  .hero-content {
    max-width: 1100px;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(83,52,131,0.2);
  border: 1px solid rgba(83,52,131,0.4);
  color: #a78bfa;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px; height: 6px;
  background: #a78bfa;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-accent {
  background: linear-gradient(90deg, var(--blue-bright), var(--purple-accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 620px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  padding-right: 32px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
  margin-right: 32px;
}

/* Scroll cue */
.hero-scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.hero-scroll-cue span {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary {
  background: var(--cta-red);
  color: #fff;
  box-shadow: 0 4px 20px rgba(233,69,96,0.3);
}

.btn-primary::before {
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
}

.btn-primary:hover {
  background: var(--cta-red-hover);
  box-shadow: 0 6px 28px rgba(233,69,96,0.45);
  transform: translateY(-2px);
}

.btn-primary:hover::before { opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.15);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}

/* =============================================
   SECTION COMMONS
   ============================================= */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--purple-accent);
  background: rgba(83,52,131,0.15);
  border: 1px solid rgba(83,52,131,0.3);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =============================================
   PROCESS SECTION
   ============================================= */
.section-process {
  padding: 120px 0;
  background: var(--bg-surface);
  position: relative;
}

.section-process::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 54px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(90deg, var(--purple-accent), var(--blue-bright), var(--purple-accent));
  opacity: 0.4;
  z-index: 0;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 40px 28px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  border-radius: 0;
}

.process-card:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.process-card:last-child  { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

.process-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(83,52,131,0.2);
  z-index: 2;
}

.process-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.process-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, rgba(83,52,131,0.3), rgba(45,108,223,0.2));
  border: 1px solid rgba(83,52,131,0.35);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 18px;
  color: var(--blue-bright);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
  transition: background var(--transition), box-shadow var(--transition);
}

.process-card:hover .process-icon {
  background: linear-gradient(135deg, rgba(83,52,131,0.5), rgba(45,108,223,0.35));
  box-shadow: 0 0 16px var(--glow-blue);
}

.process-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.process-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* =============================================
   INDUSTRIES SECTION
   ============================================= */
.section-industries {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.bg-factory {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, #0c0c1a 0%, #0d1225 50%, #0a0a16 100%);
  z-index: 0;
}

.bg-factory::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 80% 50%, rgba(15,52,96,0.25), transparent),
    radial-gradient(ellipse 60% 60% at 10% 60%, rgba(83,52,131,0.15), transparent);
}

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

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

.industry-card {
  background: rgba(12,12,28,0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(10px);
}

.industry-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--purple-accent), var(--blue-bright), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.industry-card.featured {
  border-color: rgba(83,52,131,0.35);
  background: rgba(83,52,131,0.08);
}

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

.industry-card:hover {
  transform: translateY(-8px);
  border-color: rgba(83,52,131,0.45);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 30px var(--glow-purple);
}

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

.industry-icon-wrap {
  margin-bottom: 24px;
}

.industry-icon {
  font-size: 22px;
  color: var(--blue-bright);
  letter-spacing: 4px;
  opacity: 0.7;
}

.industry-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 14px;
}

.industry-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.industry-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-accent);
  background: rgba(45,108,223,0.1);
  border: 1px solid rgba(45,108,223,0.2);
  padding: 4px 12px;
  border-radius: 100px;
}

/* =============================================
   WORKERS SECTION
   ============================================= */
.section-workers {
  padding: 120px 0;
  background: var(--bg-base);
  position: relative;
}

.section-workers::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45,108,223,0.3), transparent);
}

.workers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.worker-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.worker-line {
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--purple-accent), var(--blue-bright));
  opacity: 0;
  transition: opacity var(--transition);
}

.worker-card:hover {
  transform: translateY(-6px);
  border-color: rgba(45,108,223,0.3);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4), 0 0 20px var(--glow-blue);
}

.worker-card:hover .worker-line { opacity: 1; }

.worker-icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}

.worker-icon-circle img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.worker-card h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 8px;
}

.worker-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* =============================================
   CONTACT / FORM SECTION
   ============================================= */
.section-contact {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0d0d1f 0%, #0f1628 60%, #0c0c1c 100%);
}

.bg-logistics::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 0% 50%, rgba(83,52,131,0.15), transparent),
    radial-gradient(ellipse 50% 40% at 100% 50%, rgba(15,52,96,0.2), transparent);
}

.contact-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-text h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.contact-text p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-bullet {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.bullet-icon {
  color: var(--blue-bright);
  font-size: 8px;
  flex-shrink: 0;
}

/* Form */
.contact-form {
  background: rgba(12,12,24,0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(10px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-footer {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--purple-accent);
  box-shadow: 0 0 0 3px rgba(83,52,131,0.15);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--cta-red);
  box-shadow: 0 0 0 3px rgba(233,69,96,0.12);
}

.field-error {
  font-size: 12px;
  color: var(--cta-red);
  min-height: 16px;
}

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 12px;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.form-group select option {
  background: #1a1a30;
  color: var(--text-primary);
}

.btn-submit {
  padding: 14px 32px;
}

.btn-arrow {
  font-size: 16px;
  transition: transform var(--transition);
}

.btn-submit:hover .btn-arrow { transform: translateX(4px); }

/* Success message */
.form-success {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(45,108,223,0.1);
  border: 1px solid rgba(45,108,223,0.3);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  color: var(--text-accent);
  font-size: 14px;
}

.form-success[hidden] { display: none; }

.success-icon {
  font-size: 18px;
  color: #4ade80;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: #060610;
  border-top: 1px solid var(--border-subtle);
}

.footer-top {
  padding: 72px 24px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
}

.footer-brand .logo {
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 320px;
}

.footer-contacts {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-contact-item:hover { color: var(--text-primary); }

.contact-icon {
  width: 24px; height: 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 12px;
  color: #ffffff;
  flex-shrink: 0;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-nav a:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

/* Social */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.social-link:hover { color: var(--text-primary); }

.social-icon {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 15px;
  color: #ffffff;
  transition: background var(--transition), border-color var(--transition);
}

.social-link:hover .social-icon {
  background: rgba(83,52,131,0.2);
  border-color: rgba(83,52,131,0.4);
}

.footer-cert {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cert-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-legal {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* =============================================
   FADE-IN ANIMATION
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays via data-delay attribute handled in JS */
.fade-in[data-delay="1"] { transition-delay: 0.1s; }
.fade-in[data-delay="2"] { transition-delay: 0.2s; }
.fade-in[data-delay="3"] { transition-delay: 0.3s; }
.fade-in[data-delay="4"] { transition-delay: 0.4s; }

/* Inside grids: stagger via nth-child for process/worker/industry cards */
.process-grid .fade-in[data-delay="0"] { transition-delay: 0.05s; }
.process-grid .fade-in[data-delay="1"] { transition-delay: 0.15s; }
.process-grid .fade-in[data-delay="2"] { transition-delay: 0.25s; }
.process-grid .fade-in[data-delay="3"] { transition-delay: 0.35s; }

.industries-grid .fade-in[data-delay="0"] { transition-delay: 0.05s; }
.industries-grid .fade-in[data-delay="1"] { transition-delay: 0.18s; }
.industries-grid .fade-in[data-delay="2"] { transition-delay: 0.31s; }

.workers-grid .fade-in[data-delay="0"] { transition-delay: 0.04s; }
.workers-grid .fade-in[data-delay="1"] { transition-delay: 0.1s; }
.workers-grid .fade-in[data-delay="2"] { transition-delay: 0.16s; }
.workers-grid .fade-in[data-delay="3"] { transition-delay: 0.22s; }
.workers-grid .fade-in[data-delay="4"] { transition-delay: 0.28s; }
.workers-grid .fade-in[data-delay="5"] { transition-delay: 0.34s; }
.workers-grid .fade-in[data-delay="6"] { transition-delay: 0.40s; }
.workers-grid .fade-in[data-delay="7"] { transition-delay: 0.46s; }

/* =============================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================= */
@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-card:first-child { border-radius: var(--radius-md) 0 0 0; }
  .process-card:nth-child(2) { border-radius: 0 var(--radius-md) 0 0; }
  .process-card:nth-child(3) { border-radius: 0 0 0 var(--radius-md); }
  .process-card:last-child  { border-radius: 0 0 var(--radius-md) 0; }

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

  .industries-grid {
    grid-template-columns: 1fr 1fr;
  }

  .industry-card:last-child {
    grid-column: 1 / -1;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .workers-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer-brand { grid-column: 1 / -1; }
}

/* =============================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================= */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .container { padding: 0 24px; }

  .logo-img { height: 32px; }
  .logo-img-wrap { padding: 5px 10px; border-radius: 10px; }

  /* Header: hide nav, show hamburger */
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(8,8,15,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 20px 24px 28px;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }

  .main-nav a {
    font-size: 16px;
    padding: 12px 16px;
    width: 100%;
  }

  .main-nav .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
    justify-content: center;
  }

  .hamburger { display: flex; }

  /* Hero */
  .hero-content {
    padding-top: 48px;
    padding-bottom: 80px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 16px;
  }

  .stat-divider { display: none; }
  .stat { padding-right: 0; min-width: 100px; }

  /* Process */
  .process-grid {
    grid-template-columns: 1fr;
  }

  .process-card { border-radius: var(--radius-md) !important; }

  /* Industries */
  .industries-grid {
    grid-template-columns: 1fr;
  }

  .industry-card:last-child { max-width: 100%; }

  /* Workers */
  .workers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Form */
  .contact-form {
    grid-template-columns: 1fr;
    padding: 28px 20px;
  }

  .form-group.full,
  .form-footer { grid-column: 1 / -1; }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 24px;
  }

  .footer-brand { grid-column: auto; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .workers-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}