/**
 * Pak Turk Global - International Corporate Design System
 * Visual Identity: Sovereign Navy, Maritime Steel & Burnished Amber
 * Formal, Reliable, Human, Established B2B Workforce Architecture
 */

:root {
  /* Primary Brand: Sovereign Navy (Institutional Stability & Gravitas) */
  --color-brand-primary:        #0C1E3C;
  --color-brand-primary-hover:  #071328;
  --color-brand-primary-light:  #F0F4FA;
  --color-brand-primary-border: #D0DCF0;

  /* Secondary Brand: Maritime Steel Blue (Bilateral Cross-Border Precision) */
  --color-brand-secondary:        #234166;
  --color-brand-secondary-hover:  #182F4D;
  --color-brand-secondary-light:  #EEF4FA;
  --color-brand-secondary-border: #CFDEEE;

  /* Subtle Warm Accent: Burnished Amber / Warm Ochre (Human Warmth, Dignity & High-Value Focus) */
  --color-accent-warm:        #B47D28;
  --color-accent-warm-hover:  #96651A;
  --color-accent-warm-light:  #FAF5EB;
  --color-accent-warm-border: #EEDFC2;

  /* Brand Aliases for Universal Compatibility */
  --color-brand:        #0C1E3C;
  --color-brand-hover:  #1A3563;
  --color-brand-active: #071328;
  --color-brand-light:  #F0F4FA;
  --color-brand-border: #D0DCF0;

  /* Slate & Neutral Scales (WCAG AAA High Legibility) */
  --color-slate-950: #070F1E;
  --color-slate-900: #0C1A2E;
  --color-slate-800: #192A42;
  --color-slate-700: #2C3E55;
  --color-slate-600: #485A72;
  --color-slate-500: #64768E;
  --color-slate-400: #93A2B5;
  --color-slate-300: #C7D2E0;
  --color-slate-200: #E2E8F0;
  --color-slate-100: #F1F4F9;
  --color-slate-50:  #F8FAFC;
  --color-white:     #FFFFFF;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows (Diffuse, Soft, Luxury) */
  --shadow-subtle: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-card:   0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.02);
  --shadow-hover:  0 12px 32px -4px rgba(37, 99, 235, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg:     0 20px 40px -8px rgba(15, 23, 42, 0.12);

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Sizing */
  --container-width: 1240px;
  --container-narrow: 860px;
  --nav-height: 70px;

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s var(--ease-spring);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-slate-700);
  background-color: var(--color-slate-50);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Skip link */
.skip-to-content {
  position: absolute;
  top: -80px;
  left: 20px;
  background: var(--color-brand);
  color: #FFFFFF;
  padding: 10px 18px;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: 10000;
  transition: top 0.2s ease;
}
.skip-to-content:focus {
  top: 16px;
}

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

a {
  color: var(--color-brand);
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:hover, a:focus-visible {
  color: var(--color-brand-hover);
}

ul, ol {
  list-style: none;
}

/* Typography Hierarchy - Clean Senior Corporate Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-slate-900);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.35rem, 1.8vw + 0.4rem, 1.85rem);
  letter-spacing: -0.025em;
  line-height: 1.25;
}

h3 {
  font-size: clamp(1.1rem, 1.2vw + 0.25rem, 1.35rem);
  font-weight: 700;
  line-height: 1.3;
}

h4 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

p {
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  text-align: left;
  text-justify: none;
  hyphens: none;
  -webkit-hyphens: none;
  word-spacing: normal;
}

p.lead,
.lead,
.hero-lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-slate-600);
  margin-bottom: 1rem;
  text-align: left;
  text-justify: none;
  hyphens: none;
  -webkit-hyphens: none;
  word-spacing: normal;
}

.text-muted {
  color: var(--color-slate-500);
}

.text-white {
  color: #FFFFFF !important;
}

.text-brand {
  color: var(--color-brand) !important;
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  position: relative;
}

.section-sm {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

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

.section-slate {
  background-color: var(--color-slate-100);
}

.section-dark {
  background-color: var(--color-slate-950);
  color: #F1F5F9;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #FFFFFF;
}

.section-dark p {
  color: var(--color-slate-300);
}

/* ==========================================================================
   Text & Utility Classes
   ========================================================================== */
.text-center,
.text-center p,
p.text-center {
  text-align: center !important;
}

.text-left,
.text-left p,
p.text-left {
  text-align: left !important;
}

.text-right,
.text-right p,
p.text-right {
  text-align: right !important;
}

.text-justify,
.text-justify p,
p.text-justify {
  text-align: left !important;
  text-justify: none !important;
  hyphens: none !important;
  -webkit-hyphens: none !important;
  word-spacing: normal !important;
}

.mx-auto {
  margin-left: auto !important;
  margin-right: auto !important;
}

.mobile-only-action {
  display: none;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.25rem auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
  align-items: flex-start;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background-color: var(--color-accent-warm-light);
  color: var(--color-accent-warm-hover);
  border: 1px solid var(--color-accent-warm-border);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
  width: fit-content;
  max-width: fit-content;
  align-self: flex-start;
}

.section-header .section-badge {
  align-self: center;
}

.section-header.text-left .section-badge {
  align-self: flex-start;
}

.section-badge.badge-gold {
  background-color: var(--color-accent-warm-light);
  color: var(--color-accent-warm);
  border-color: var(--color-accent-warm-border);
}

.section-badge.badge-blue,
.section-badge.badge-steel {
  background-color: var(--color-brand-secondary-light);
  color: var(--color-brand-secondary);
  border-color: var(--color-brand-secondary-border);
}

.section-badge.badge-navy {
  background-color: var(--color-brand-primary-light);
  color: var(--color-brand-primary);
  border-color: var(--color-brand-primary-border);
}

.section-header h2 {
  margin-bottom: 0.6rem;
}

.section-header p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-slate-500);
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  hyphens: none !important;
  -webkit-hyphens: none !important;
  text-wrap: balance;
}

.section-header.text-left p {
  text-align: left;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-bar {
  background-color: var(--color-slate-900);
  color: var(--color-slate-400);
  font-size: 0.825rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-links a {
  color: var(--color-slate-300);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.825rem;
}

.top-bar-links a:hover {
  color: #FFFFFF;
}

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-slate-200);
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo img {
  height: 44px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}

/* Navigation Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-slate-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-item.active .nav-link {
  color: var(--color-brand);
  background-color: var(--color-brand-light);
}

.nav-link svg.chevron {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
  color: var(--color-slate-400);
}

.nav-item:hover .nav-link svg.chevron,
.nav-item.is-open .nav-link svg.chevron {
  transform: rotate(180deg);
  color: var(--color-brand);
}

/* Dropdown Menu */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 230px;
  width: max-content;
  max-width: 320px;
  background: #FFFFFF;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 36px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-normal);
  z-index: 100;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  color: var(--color-slate-900);
  font-size: 0.925rem;
  transition: all var(--transition-fast);
}

.dropdown-link:hover,
.dropdown-link:focus-visible {
  background-color: var(--color-brand-light);
  color: var(--color-brand);
  padding-left: 18px;
}

.dropdown-link .dropdown-title {
  font-weight: 600;
  display: block;
  margin-bottom: 0;
}

.dropdown-link .dropdown-desc {
  display: none !important;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--color-slate-800);
}

.mobile-nav-toggle:focus-visible {
  outline: 2px solid var(--color-brand);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-slate-950);
  color: var(--color-slate-400);
  padding-top: 5.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr 1.4fr;
  gap: 40px;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--color-slate-400);
  font-size: 0.925rem;
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  text-align: left;
  hyphens: none;
  -webkit-hyphens: none;
  word-spacing: normal;
}

.footer-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--color-slate-200);
}

.footer-trust-badge svg {
  color: #34D399;
  stroke: #34D399;
  flex-shrink: 0;
}

.footer-col h3, .footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--color-slate-400);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #FFFFFF;
  transform: translateX(4px);
}

.footer-contact-list li {
  margin-bottom: 1.15rem;
  font-size: 0.88rem;
  color: var(--color-slate-300);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.5;
}

.footer-contact-list svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  color: #38BDF8 !important;
  stroke: #38BDF8 !important;
  filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.45));
}

.footer-contact-list a {
  color: var(--color-slate-300);
}

.footer-contact-list a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-slate-500);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--color-slate-400);
}

.footer-bottom-links a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.whatsapp-floating {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  min-width: 60px;
  min-height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.42), 0 2px 6px rgba(0, 0, 0, 0.12);
  padding: 0;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  touch-action: manipulation;
}

.whatsapp-floating:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 8px 26px rgba(37, 211, 102, 0.55), 0 4px 10px rgba(0, 0, 0, 0.18);
  color: #FFFFFF;
}

.whatsapp-floating svg {
  width: 32px;
  height: 32px;
  fill: #FFFFFF;
  display: block;
  flex-shrink: 0;
  margin: 0;
}

.whatsapp-floating span,
.whatsapp-floating .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}