/* ==========================================================================
   ÇEVİKÖZ KALIP - PREMIUM DESIGN SYSTEM & STYLESHEET
   Based on skill_pro_web.md directives
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS & VARIABLE SYSTEM
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette - Industrial Amber & Deep Slate (No Purple-Blue Slop) */
  --primary: #0F172A;          /* Deep Slate / Dark Navy */
  --primary-light: #1E293B;    /* Lighter Slate for Cards */
  --primary-dark: #070C18;     /* Extra Dark Background */
  
  --accent: #E5A910;           /* Industrial Gold / Amber */
  --accent-hover: #D97706;     /* Deep Amber */
  --accent-glow: rgba(229, 169, 16, 0.25);
  --accent-soft: rgba(229, 169, 16, 0.1);
  
  --surface-light: #FFFFFF;    /* Pure White Surface */
  --surface-off: #F8FAFC;      /* Off-White Section BG */
  --surface-card: #FFFFFF;     /* White Card BG */
  
  --text-main: #0F172A;        /* High Contrast Main Text */
  --text-muted: #64748B;       /* Secondary Text */
  --text-light: #94A3B8;       /* Muted Technical Labels */
  --text-white: #FFFFFF;       /* Inverted Text */
  
  --border-light: #E2E8F0;     /* Subtle Light Border */
  --border-dark: rgba(255, 255, 255, 0.12); /* Dark Mode Border */
  
  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* 8px Spatial Grid System */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --space-12: 96px;
  --space-16: 128px;
  
  /* Border Radius & Shadows */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-accent: 0 8px 24px rgba(229, 169, 16, 0.25);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   2. BASE & RESET STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--surface-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* --------------------------------------------------------------------------
   3. LAYOUT & CONTAINER UTILITIES
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.section-padding {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section-header {
  margin-bottom: var(--space-8);
}

.section-header.center {
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 14px;
  background-color: var(--accent-soft);
  color: var(--accent-hover);
  border: 1px solid rgba(229, 169, 16, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.section-title.white {
  color: var(--text-white);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
}

.section-header.center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   4. SVG BACKGROUND ANIMATIONS & DECORATION
   -------------------------------------------------------------------------- */
.svg-bg-wrapper {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.gear-svg-bg {
  position: absolute;
  right: -5%;
  top: -10%;
  width: 500px;
  height: 500px;
  opacity: 0.15;
  color: var(--accent);
  animation: spin-slow 60s linear infinite;
}

.blueprint-grid-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(15, 23, 42, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.7;
}

.dark .blueprint-grid-bg {
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

.dot-matrix-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(229, 169, 16, 0.25) 1.5px, transparent 1.5px);
  background-size: 32px 32px;
  opacity: 0.4;
  animation: pulse-dot 4s ease-in-out infinite alternate;
}

.radial-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   5. HEADER & SINGLE-LINE GLASSMOPRHIC NAVBAR
   -------------------------------------------------------------------------- */
.header-wrapper {
  position: fixed;
  top: var(--space-2);
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--space-3);
  transition: var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-full);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-white);
}

.brand-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: var(--shadow-accent);
  flex-shrink: 0;
}

.brand-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.938rem;
  color: var(--text-white);
  letter-spacing: 0.04em;
}

.brand-sub {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.16em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.nav-link {
  font-size: 0.938rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  transition: var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-white);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.btn-header-phone:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.938rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-accent);
  transition: var(--transition-bounce);
  cursor: pointer;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(229, 169, 16, 0.4);
}

.mobile-toggle {
  display: none;
  background: transparent;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   6. HERO SECTION - BROKEN SYMMETRY
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: 140px;
  padding-bottom: var(--space-12);
  background: radial-gradient(circle at 80% 20%, #1E293B 0%, #0F172A 70%);
  color: var(--text-white);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: stretch;
  position: relative;
  z-index: 1;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(229, 169, 16, 0.12);
  border: 1px solid rgba(229, 169, 16, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.hero-badge-pill .pulse-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse-ring 1.8s infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-white);
  margin-bottom: var(--space-3);
}

.hero-title span {
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.btn-secondary-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  font-weight: 600;
  font-size: 0.938rem;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}

.btn-secondary-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--text-white);
}

.hero-metrics-row {
  display: flex;
  gap: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
}

.metric-label {
  font-size: 0.813rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Broken Symmetry Right Visual Card */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid var(--border-dark);
  padding: var(--space-4);
  backdrop-filter: blur(20px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: center;
}

.cad-preview-box {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-md);
  background: #0B1120;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.floating-badge {
  position: absolute;
  padding: 12px 18px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: float 6s ease-in-out infinite;
}

.floating-badge.top-left {
  top: -20px;
  left: -20px;
}

.floating-badge.bottom-right {
  bottom: -20px;
  right: -20px;
  animation-delay: -3s;
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(229, 169, 16, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-text strong {
  display: block;
  font-size: 0.938rem;
  color: var(--text-white);
}

.badge-text span {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* --------------------------------------------------------------------------
   7. INFINITE MARQUEE STRIP
   -------------------------------------------------------------------------- */
.marquee-wrapper {
  background-color: #0B1120;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 0;
  overflow: hidden;
  position: relative;
  white-space: nowrap;
}

.marquee-track {
  display: flex;
  gap: var(--space-6);
  width: max-content;
  animation: marquee-scroll 35s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 0.938rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.marquee-item svg {
  color: var(--accent);
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   8. BENTO GRID - CAPABILITIES & SERVICES
   -------------------------------------------------------------------------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.bento-card {
  background-color: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  position: relative;
  overflow: hidden;
  transition: var(--transition-bounce);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(229, 169, 16, 0.5);
}

/* Bento Spans */
.bento-span-8 { grid-column: span 8; }
.bento-span-4 { grid-column: span 4; }
.bento-span-6 { grid-column: span 6; }
.bento-span-12 { grid-column: span 12; }

/* Bento Hero Card 2x2 */
.bento-card.hero-bento {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: var(--text-white);
  border: 1px solid var(--border-dark);
}

.bento-card.hero-bento .bento-title {
  color: var(--text-white);
}

.bento-card.hero-bento .bento-desc {
  color: var(--text-light);
}

.bento-card-header {
  margin-bottom: var(--space-3);
}

.bento-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.hero-bento .bento-icon {
  background: rgba(229, 169, 16, 0.15);
  color: var(--accent);
}

.bento-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.bento-desc {
  font-size: 0.938rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.bento-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.bento-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--surface-off);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

.hero-bento .bento-tag {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.12);
}

.bento-stat-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.bento-stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   9. STICKY PROCESS TIMELINE - CAD/CAM STEP VIEW
   -------------------------------------------------------------------------- */
.process-section {
  background-color: var(--surface-off);
  position: relative;
}

.process-steps-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.step-card {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  position: relative;
  transition: var(--transition-fast);
}

.step-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.step-number {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(15, 23, 42, 0.08);
}

.step-icon {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.step-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-1);
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   10. GALLERY & FILTERABLE MASONRY WITH LIGHTBOX
   -------------------------------------------------------------------------- */
.gallery-filter-nav {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: var(--surface-off);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: var(--accent);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--primary-light);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-card-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.gallery-card:hover .gallery-card-bg {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-3);
  opacity: 0;
  transition: var(--transition-fast);
}

.gallery-card:hover .gallery-overlay {
  opacity: 1;
}

.gallery-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gallery-item-title {
  font-size: 1.1rem;
  color: var(--text-white);
  font-weight: 700;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(7, 12, 24, 0.95);
  backdrop-filter: blur(20px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.lightbox-modal.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  background: var(--primary-light);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
  color: var(--text-white);
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--accent);
  color: var(--primary);
}

.lightbox-body {
  padding: var(--space-4);
}

/* --------------------------------------------------------------------------
   11. INTERACTIVE MOLD QUOTE & RFQ CALCULATOR
   -------------------------------------------------------------------------- */
.rfq-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.rfq-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.rfq-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

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

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
}

.form-control {
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 0.938rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control option {
  background: var(--primary);
  color: var(--text-white);
}

.range-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.range-val-badge {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}

.rfq-summary-box {
  background: rgba(15, 23, 42, 0.9);
  border: 1px dashed var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   12. CONTACT & MAP SECTION
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.contact-info-card {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.contact-item {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.contact-details p {
  color: var(--text-muted);
  font-size: 0.938rem;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  height: 100%;
  min-height: 400px;
  box-shadow: var(--shadow-sm);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding-top: var(--space-12);
  padding-bottom: var(--space-4);
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.footer-brand p {
  margin-top: var(--space-2);
  font-size: 0.938rem;
  color: var(--text-light);
  line-height: 1.7;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--space-3);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.938rem;
  color: var(--text-light);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   14. KEYFRAME ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(229, 169, 16, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(229, 169, 16, 0); }
  100% { box-shadow: 0 0 0 0 rgba(229, 169, 16, 0); }
}

@keyframes pulse-dot {
  0% { opacity: 0.2; }
  100% { opacity: 0.6; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

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

/* --------------------------------------------------------------------------
   15. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  
  .hero-visual-card {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .bento-span-8, .bento-span-6 {
    grid-column: span 12;
  }
  
  .bento-span-4 {
    grid-column: span 6;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu, .btn-header-phone {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px;
    left: 16px;
    right: 16px;
    background: var(--primary);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    gap: var(--space-3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  }
  
  .bento-span-4 {
    grid-column: span 12;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .rfq-summary-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* --------------------------------------------------------------------------
   NEW WEBP SECTION VISUALS & ENHANCEMENTS
   -------------------------------------------------------------------------- */
.hero-image-box {
  width: 100%;
  height: 100%;
  min-height: 480px;
  flex: 1;
  border-radius: var(--radius-md);
  background: #0B1120;
  border: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6);
}

.hero-img-responsive {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-visual-card:hover .hero-img-responsive {
  transform: scale(1.04);
}

/* Corporate Profile Bento Image Card */
.bento-img-card {
  padding: 0 !important;
  min-height: 240px;
}

.bento-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.bento-img-card:hover .bento-bg-img {
  transform: scale(1.06);
}

.bento-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-4);
  z-index: 2;
}

/* Engineering Methodology Process Hero Visual */
.process-hero-visual {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-dark);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  background: #0B1120;
}

.process-visual-img-wrap {
  position: relative;
  width: 100%;
  height: 320px;
  overflow: hidden;
}

.process-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  transition: transform 0.6s ease;
}

.process-hero-visual:hover .process-visual-img {
  transform: scale(1.03);
}

.process-visual-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(229, 169, 16, 0.4);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-white);
}

.process-visual-badge .badge-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-accent);
}

.process-visual-badge strong {
  display: block;
  font-size: 1rem;
  font-family: var(--font-heading);
  color: var(--text-white);
}

.process-visual-badge span {
  font-size: 0.813rem;
  color: var(--accent);
}

@media (max-width: 768px) {
  .hero-image-box {
    min-height: 320px;
    height: 350px;
  }
  .process-visual-img-wrap {
    height: 220px;
  }
  .process-visual-badge {
    position: relative;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 0;
    border-top: 1px solid rgba(229, 169, 16, 0.3);
  }
}