/**
 * SEITech Solutions — European Engineering Corporate Design System
 * Developed with Agency UI Designer & UX Architect principles
 */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Foundations — Deep European Engineering Palette */
  --site-navy-950: #060D1A;
  --site-navy-900: #0A192F;
  --site-navy-850: #0E223D;
  --site-navy-800: #132C4F;
  --site-navy-700: #1C3D69;
  
  /* Precision & Automotive Accents */
  --site-blue-500: #0284C7;
  --site-blue-400: #38BDF8;
  --site-cyan-500: #06B6D4;
  --site-cyan-400: #22D3EE;
  --site-purple-500: #7C3AED;
  --site-purple-400: #A855F7;
  
  /* Human Warmth Accents — Brand Purple Identity from SEITech Logo */
  --site-warm-500: #8755A0;
  --site-warm-600: #713E89;
  --site-warm-400: #A26EB8;
  --site-warm-100: rgba(135, 85, 160, 0.10);
  --site-warm-glow: rgba(135, 85, 160, 0.25);
  
  /* Surfaces & Canvas */
  --site-bg-dark: #0A192F;
  --site-bg-card-dark: #0E223D;
  --site-bg-light: #F8FAFC;
  --site-bg-card-light: #FFFFFF;
  --site-surface: #F8FAFC;
  --site-surface-alt: #F1F5F9;
  --site-surface-warm: #FAF8FC;
  
  /* Typography Colors */
  --site-text-dark: #0F172A;
  --site-text-body: #334155;
  --site-text-muted: #5E6977;
  --site-text-light: #F8FAFC;
  --site-text-light-muted: #94A3B8;
  
  /* Technical Borders & Lines */
  --site-border-dark: rgba(255, 255, 255, 0.08);
  --site-border-dark-hover: rgba(56, 189, 248, 0.3);
  --site-border-light: #E2E8F0;
  --site-border-light-hover: rgba(2, 132, 199, 0.25);
  --site-border-warm: rgba(135, 85, 160, 0.30);
  
  /* Precision Grid Lines */
  --site-grid-line: rgba(56, 189, 248, 0.05);
  --site-grid-dot: rgba(56, 189, 248, 0.15);
  
  /* Typography Families */
  --font-display: 'Manrope', 'Cairo', sans-serif;
  --font-sans: 'Inter', 'Cairo', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-arabic: 'Cairo', sans-serif;
  
  /* Spacing Scale */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  
  /* Section Rhythm Spacing */
  --section-space-tight: 4rem;   /* 64px */
  --section-space-normal: 5.5rem; /* 88px */
  --section-space-roomy: 6.5rem;  /* 104px */
  
  /* Organic Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 9999px;
  
  /* Elevation Shadows */
  --shadow-subtle: 0 4px 20px -2px rgba(10, 25, 47, 0.05);
  --shadow-elevated: 0 12px 32px -4px rgba(10, 25, 47, 0.09);
  --shadow-tech: 0 0 25px rgba(56, 189, 248, 0.12);
  --shadow-glow: 0 0 35px rgba(124, 58, 237, 0.18);
  --shadow-warm-glow: 0 8px 30px rgba(135, 85, 160, 0.25);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 300ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset & Typography Baseline */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--site-text-body);
  background-color: #FFFFFF;
  line-height: 1.65;
  overflow-x: hidden;
}

[dir="rtl"] body {
  font-family: var(--font-arabic), var(--font-sans), sans-serif;
}

[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3,
[dir="rtl"] h4,
[dir="rtl"] h5,
[dir="rtl"] h6,
[dir="rtl"] p,
[dir="rtl"] a,
[dir="rtl"] span:not([class*="fa"]):not([class*="icon"]):not(.fa):not(.fas):not(.far):not(.fab):not(.fa-solid):not(.fa-regular):not(.fa-brands),
[dir="rtl"] button,
[dir="rtl"] input,
[dir="rtl"] textarea,
[dir="rtl"] select,
[dir="rtl"] label {
  font-family: var(--font-arabic), var(--font-sans), sans-serif;
}

/* Explicitly preserve Font Awesome 6 & 5 icon families in RTL */
[dir="rtl"] .fa,
[dir="rtl"] .fas,
[dir="rtl"] .far,
[dir="rtl"] .fal,
[dir="rtl"] .fab,
[dir="rtl"] .fa-solid,
[dir="rtl"] .fa-regular,
[dir="rtl"] .fa-brands,
[dir="rtl"] [class*="fa-"] {
  font-family: "Font Awesome 6 Free", "Font Awesome 6 Brands", "Font Awesome 5 Free", "FontAwesome" !important;
}

[dir="rtl"] .fa-brands,
[dir="rtl"] .fab {
  font-family: "Font Awesome 6 Brands" !important;
}

h1, h2, h3, h4, h5, h6,
.font-display {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--site-text-dark);
  letter-spacing: -0.025em;
  line-height: 1.25;
}

/* High contrast overrides for dark themes & dark backgrounds */
.text-white,
.text-white h1,
.text-white h2,
.text-white h3,
.text-white h4,
.text-white h5,
.text-white h6,
h1.text-white,
h2.text-white,
h3.text-white,
h4.text-white,
h5.text-white,
h6.text-white,
.hero-engineering-wrapper h1,
.hero-engineering-wrapper h2,
.hero-engineering-wrapper h3,
.page-header-engineering h1,
.page-header-engineering h2,
.page-header-engineering h3,
.cta-engineering-banner h1,
.cta-engineering-banner h2,
.cta-engineering-banner h3,
.site-footer h1,
.site-footer h2,
.site-footer h3,
.site-footer h4,
.site-footer h5,
.site-footer h6 {
  color: #FFFFFF !important;
}


.text-tech-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--site-blue-500);
}

/* Engineering Blueprint Pattern */
.bg-blueprint {
  background-color: var(--site-navy-900);
  background-image: 
    linear-gradient(to right, var(--site-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--site-grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
}

.bg-blueprint-light {
  background-color: var(--site-bg-light);
  background-image: 
    linear-gradient(to right, rgba(2, 132, 199, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(2, 132, 199, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Technical Coordinate Marker */
.tech-coordinate {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--site-blue-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Section Title Engineering Structure */
.tech-section-header {
  margin-bottom: var(--space-10);
}

.tech-section-header .section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--site-blue-500);
  margin-bottom: var(--space-2);
}

.tech-section-header h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-3);
}

.tech-section-header.text-white h2 {
  color: #FFFFFF;
}

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

.tech-section-header.text-white p {
  color: var(--site-text-light-muted);
}

/* ==========================================================================
   Varied Humanized Section Kickers (Editorial Diversity)
   ========================================================================== */

/* 1. Bar Kicker: Sleek vertical or dash accent line */
.kicker-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--site-blue-500);
  margin-bottom: var(--space-3);
}

.kicker-bar::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--site-blue-500), var(--site-cyan-400));
  border-radius: 2px;
}

[dir="rtl"] .kicker-bar::before {
  background: linear-gradient(270deg, var(--site-blue-500), var(--site-cyan-400));
}

.kicker-bar.warm-accent {
  color: var(--site-warm-600);
}

.kicker-bar.warm-accent::before {
  background: linear-gradient(90deg, var(--site-warm-500), var(--site-warm-400));
}

[dir="rtl"] .kicker-bar.warm-accent::before {
  background: linear-gradient(270deg, var(--site-warm-500), var(--site-warm-400));
}

/* 2. Numbered Kicker: Editorial section index */
.kicker-numbered {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #38BDF8;
  margin-bottom: var(--space-2);
}

.kicker-numbered .kicker-index {
  color: var(--site-cyan-400);
  background: rgba(6, 182, 212, 0.14);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  letter-spacing: 0;
}

/* 3. Pill Badge Kicker: Soft pill with status dot */
.kicker-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background: rgba(2, 132, 199, 0.08);
  border: 1px solid rgba(2, 132, 199, 0.22);
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--site-blue-500);
  margin-bottom: var(--space-3);
  letter-spacing: 0.02em;
}

.kicker-pill .kicker-dot {
  width: 7px;
  height: 7px;
  background: var(--site-blue-500);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--site-blue-400);
}

.kicker-pill.dark-mode {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.25);
  color: #E0F2FE;
}

.kicker-pill.dark-mode .kicker-dot {
  background: #38BDF8;
  box-shadow: 0 0 10px #38BDF8;
}

.kicker-pill.warm-mode {
  background: var(--site-warm-100);
  border-color: var(--site-border-warm);
  color: var(--site-warm-600);
}

.kicker-pill.warm-mode .kicker-dot {
  background: var(--site-warm-500);
  box-shadow: 0 0 8px var(--site-warm-glow);
}

/* 4. Editorial Underline Marker */
.title-editorial-underline {
  position: relative;
  display: inline-block;
}

.title-editorial-underline::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 52px;
  height: 3px;
  background: linear-gradient(90deg, var(--site-blue-500), transparent);
  border-radius: 2px;
}

[dir="rtl"] .title-editorial-underline::after {
  left: auto;
  right: 0;
  background: linear-gradient(270deg, var(--site-blue-500), transparent);
}

/* Subtle organic card highlight */
.card-organic-accent {
  position: relative;
}

.card-organic-accent::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 90px;
  height: 90px;
  background: radial-gradient(circle at 100% 0%, var(--site-warm-glow) 0%, transparent 70%);
  pointer-events: none;
  border-top-right-radius: inherit;
}

[dir="rtl"] .card-organic-accent::after {
  right: auto;
  left: 0;
  background: radial-gradient(circle at 0% 0%, var(--site-warm-glow) 0%, transparent 70%);
  border-top-left-radius: inherit;
  border-top-right-radius: 0;
}

/* Buttons — High Precision Automotive Feel */
.btn-tech-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.75rem 1.75rem;
  background: linear-gradient(135deg, var(--site-blue-500) 0%, #1D4ED8 100%);
  color: #FFFFFF !important;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 6px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.25);
  transition: all var(--transition-smooth);
  text-decoration: none;
  cursor: pointer;
}

.btn-tech-primary:hover {
  background: linear-gradient(135deg, #0284C7 0%, var(--site-purple-500) 100%);
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 6px 25px rgba(124, 58, 237, 0.35);
  transform: translateY(-2px) scale(1.015);
}

/* Warm Accent Button — Premium Human Touch for Key CTAs */
.btn-tech-warm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.8rem 2rem;
  background: linear-gradient(135deg, var(--site-warm-500) 0%, var(--site-warm-600) 100%);
  color: #FFFFFF !important;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 20px rgba(135, 85, 160, 0.32);
  transition: all var(--transition-smooth);
  text-decoration: none;
  cursor: pointer;
}

.btn-tech-warm:hover {
  background: linear-gradient(135deg, var(--site-warm-400) 0%, var(--site-warm-600) 100%);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 30px rgba(135, 85, 160, 0.45);
  transform: translateY(-2px) scale(1.02);
}

.btn-tech-outline,
.btn-tech-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.75rem 1.75rem;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF !important;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-smooth);
  text-decoration: none;
  cursor: pointer;
}

.btn-tech-outline:hover,
.btn-tech-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #FFFFFF !important;
  border-color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
  transform: translateY(-2px) scale(1.015);
}

.btn-tech-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.75rem 1.75rem;
  background: #FFFFFF;
  color: var(--site-navy-900) !important;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 6px;
  border: 1px solid var(--site-border-light);
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-smooth);
  text-decoration: none;
}

.btn-tech-outline-dark:hover {
  border-color: var(--site-blue-500);
  color: var(--site-blue-500) !important;
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px) scale(1.015);
}

/* Stagger Animation Helpers */
.stagger-1 { transition-delay: 0.06s !important; }
.stagger-2 { transition-delay: 0.14s !important; }
.stagger-3 { transition-delay: 0.22s !important; }
.stagger-4 { transition-delay: 0.30s !important; }

/* Badges & Tags */
.tech-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: var(--site-surface-alt);
  color: var(--site-navy-700);
  border: 1px solid var(--site-border-light);
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(2, 132, 199, 0.3);
  color: var(--site-blue-500);
}

.tech-tag-dark {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--site-text-light-muted);
  border: 1px solid var(--site-border-dark);
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tech-tag-dark:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.35);
  color: var(--site-blue-400);
}

/* RTL Helpers */
[dir="rtl"] .rtl-flip {
  transform: scaleX(-1);
  display: inline-block;
}

[dir="rtl"] .rtl-ms-auto {
  margin-right: auto !important;
  margin-left: 0 !important;
}

[dir="rtl"] .rtl-me-auto {
  margin-left: auto !important;
  margin-right: 0 !important;
}