/* ==========================================================================
   🌐 PERFECT GULF LIMITED (PGL) - GLOBAL DESIGN SYSTEM
   Premium Electromechanical & IT Services Website
   ========================================================================== */

/* 1. GOOGLE FONTS & IMPORTS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

/* 2. CUSTOM VARIABLES (DESIGN TOKENS) */
:root {
  /* Brand Colors */
  --primary-green: #73b52f;  /* Brand Identity - Gear Logo */
  --light-blue: #138adc;     /* Accents, CTAs */
  --dark-blue: #0165ae;      /* Headings, Deep Elements */
  --medium-blue: #0b79c4;    /* Secondary CTAs, Highlights */

  /* Neutral Tones */
  --white: #ffffff;
  --light-gray: #f9fbfd;
  --card-gray: #f5f5f5;
  --dark-gray: #333333;
  --light-text: #666666;
  --border-gray: #e0e0e0;
  --nav-bg: rgba(255, 255, 255, 0.9);
  --dark-gradient-start: #061e38;
  --dark-gradient-end: #020b15;

  /* Typography */
  --font-heading: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadow Depths */
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
  --shadow-glass: 0 8px 32px 0 rgba(1, 101, 174, 0.08);

  /* Borders & Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-btn: 30px;
  --border-glass: 1px solid rgba(255, 255, 255, 0.4);

  /* Spacing */
  --container-width: 1200px;
  --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-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 3. BASE RESET */
*, *::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);
  background-color: var(--white);
  color: var(--dark-gray);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 4. TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--dark-blue);
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3rem); /* 35px to 48px */
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.25rem); /* 28px to 36px */
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--light-blue));
  border-radius: 2px;
}

h2.center-align {
  display: block;
  text-align: center;
}

h2.center-align::after {
  left: 50%;
  transform: translateX(-50%);
}

h3 {
  font-size: clamp(1.4rem, 3vw, 1.75rem); /* 22px to 28px */
  font-weight: 600;
}

p {
  font-size: 1rem;
  color: var(--light-text);
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: var(--medium-blue);
  transition: var(--transition-fast);
}

a:hover {
  color: var(--light-blue);
}

ul {
  list-style: none;
}

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

/* 5. UTILITY CLASSES */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-bg {
  background-color: var(--light-gray);
}

.text-center { text-align: center; }
.text-white { color: var(--white) !important; }
.text-green { color: var(--primary-green) !important; }
.text-blue { color: var(--light-blue) !important; }

/* Grid Layouts */
.grid {
  display: grid;
  gap: 30px;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* Flex Utilities */
.flex { display: flex; gap: 15px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-column { display: flex; flex-direction: column; }

/* Glassmorphism Card Style */
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass);
  padding: 30px;
  transition: var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(19, 138, 220, 0.25);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-primary {
  background: linear-gradient(135deg, var(--light-blue), var(--dark-blue));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(19, 138, 220, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--medium-blue), var(--dark-blue));
  color: var(--white);
  transform: scale(1.02);
  box-shadow: 0 6px 20px rgba(1, 101, 174, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--primary-green), #5ba020);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(115, 181, 47, 0.3);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #64a125, #4f8b1b);
  color: var(--white);
  transform: scale(1.02);
  box-shadow: 0 6px 20px rgba(115, 181, 47, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--dark-blue);
  border: 2px solid var(--light-blue);
}

.btn-outline:hover {
  background: var(--light-blue);
  color: var(--white);
  transform: scale(1.02);
}

.btn-white {
  background: var(--white);
  color: var(--dark-blue);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  background: var(--light-gray);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 6. HEADER & NAV NAVIGATION */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
}

header.scrolled {
  background-color: var(--nav-bg);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border-gray);
  padding: 5px 0;
}

header.scrolled .nav-logo {
  padding: 4px 12px;
  box-shadow: var(--shadow-sm);
  border-color: var(--light-blue);
}

header.scrolled .nav-logo img {
  height: 42px;
}

header.scrolled .nav-link {
  color: var(--dark-gray);
}

header.scrolled .nav-link:hover,
header.scrolled .nav-link.active {
  color: var(--light-blue);
}

header.scrolled .hamburger span {
  background-color: var(--dark-gray);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  transition: var(--transition-normal);
  max-width: 94% !important; /* Shifter logo & tabs left/outward on wide screens */
}

.nav-navigation {
  display: flex;
  justify-content: center;
  flex-grow: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--white);
  padding: 6px 16px;
  border-radius: 50px; /* Pill shape to eliminate stamp feel */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
  border: 2px solid var(--primary-green);
  transition: var(--transition-normal);
  overflow: hidden;
}

.nav-logo:hover {
  transform: scale(1.04);
  border-color: var(--light-blue);
  box-shadow: 0 6px 20px rgba(19, 138, 220, 0.25);
}

.nav-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-normal);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 30px;
}

/* Visibility Helper Classes */
.mobile-only {
  display: none !important;
}

.desktop-only {
  display: flex !important;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--white);
  padding: 8px 0;
  transition: var(--transition-fast);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background-color: var(--light-blue);
  border-radius: 2px;
}

/* Mobile Navigation Hamburger Drawer */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  cursor: pointer;
}

.hamburger span {
  width: 100%;
  height: 2.5px;
  background-color: var(--white);
  border-radius: 2px;
  transition: var(--transition-normal);
}

/* 7. FOOTER SECTION */
footer {
  background: linear-gradient(185deg, var(--dark-gradient-start), var(--dark-gradient-end));
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px 0;
  font-family: var(--font-body);
  border-top: 5px solid var(--primary-green);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-logo img {
  height: 60px;
  margin-bottom: 20px;
}

.footer-about p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
  padding-right: 20px;
}

.footer-title {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 25px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  background-color: var(--light-blue);
  border-radius: 2px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: '→';
  color: var(--primary-green);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.footer-contact i {
  color: var(--light-blue);
  font-size: 1.1rem;
  margin-top: 3px;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact a:hover {
  color: var(--white);
}

.social-icons {
  display: flex;
  gap: 12px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--white);
  transition: var(--transition-normal);
}

.social-icon:hover {
  background-color: var(--light-blue);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* Floating WhatsApp Widget */
.whatsapp-widget {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: var(--white);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
  font-size: 1.8rem;
  z-index: 999;
  cursor: pointer;
  transition: var(--transition-normal);
}

.whatsapp-widget:hover {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* 8. COMMON PAGE HEADERS / HEROES */
.page-hero {
  height: 320px;
  position: relative;
  background: linear-gradient(135deg, var(--dark-gradient-start), var(--dark-gradient-end));
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
  border-bottom: 4px solid var(--light-blue);
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(19, 138, 220, 0.15) 0%, transparent 60%);
  z-index: 1;
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: 10px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.15rem;
  max-width: 600px;
  margin-bottom: 0;
}

/* Breadcrumbs */
.breadcrumbs {
  margin-top: 15px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumbs span.separator {
  margin: 0 8px;
}

.breadcrumbs span.current {
  color: var(--primary-green);
  font-weight: 500;
}

/* 9. SIDEBAR & UTILITIES OVERRIDES */
.sidebar-card .footer-links a {
  color: var(--light-text) !important;
  font-weight: 500;
  transition: var(--transition-normal);
}

.sidebar-card .footer-links a:hover {
  color: var(--light-blue) !important;
  padding-left: 5px;
}

/* 10. RESPONSIVE BREAKPOINTS & MOBILE DESIGN */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 25px;
  border: 1px solid var(--border-gray);
  border-radius: var(--radius-sm);
}

.table-responsive table {
  margin: 0 !important;
  min-width: 600px; /* Ensures detail table columns do not squash on narrow mobile screens */
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .mobile-only {
    display: block !important;
  }

  .desktop-only {
    display: none !important;
  }

  .nav-navigation {
    flex-grow: 0;
  }

  .section {
    padding: 50px 0;
  }

  .nav-logo {
    padding: 4px 12px !important;
    border-width: 1.5px !important;
  }

  .nav-logo img {
    height: 38px !important;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 30px 30px 30px;
    box-shadow: var(--shadow-lg);
    gap: 25px;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 999;
    border-right: 1px solid rgba(0, 0, 0, 0.05);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-link {
    color: var(--dark-gray);
    font-size: 1.05rem;
    font-weight: 600;
    display: block;
    width: 100%;
    padding: 10px 0;
  }

  .nav-link.active::after {
    display: none;
  }

  header.scrolled .nav-link.active,
  .nav-link.active {
    color: var(--light-blue);
    border-left: 4px solid var(--light-blue);
    padding-left: 12px;
  }

  .hamburger {
    display: flex;
    z-index: 1000;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  header:not(.scrolled) .hamburger span {
    background-color: var(--white);
  }

  header.scrolled .hamburger span {
    background-color: var(--dark-gray);
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .whatsapp-widget {
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 1.8rem !important;
  }

  h2 {
    font-size: 1.45rem !important;
  }

  h3 {
    font-size: 1.25rem !important;
  }

  .section {
    padding: 40px 0 !important;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .glass-card {
    padding: 20px !important;
  }

  .btn {
    padding: 12px 24px !important;
    font-size: 0.9rem !important;
    width: 100%; /* Force buttons to span full width on small phones for ease of tapping */
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    gap: 12px !important;
  }

  .footer-about p {
    padding-right: 0 !important;
  }
}