/**
 * MegaMeister Design System (main.css)
 * Optimized for Mobile Responsiveness, Zero Layout Shift, and Blazing Load Speed
 * Industrial Modern Theme: Safety Yellow (#F5B800), Charcoal (#121417), Crisp Technical Accents
 */

:root {
  --color-primary: #F5B800;
  --color-primary-hover: #E0A600;
  --color-primary-light: rgba(245, 184, 0, 0.12);
  --color-primary-border: rgba(245, 184, 0, 0.35);

  --color-bg-darkest: #0B0D0F;
  --color-bg-dark: #121519;
  --color-bg-card: #181C22;
  --color-bg-card-hover: #20252D;
  --color-bg-glass: rgba(24, 28, 34, 0.92);

  --color-border: #2A303A;
  --color-border-subtle: #1F242C;

  --color-text-main: #FFFFFF;
  --color-text-muted: #9AA5B5;
  --color-text-dim: #64748B;

  --color-accent-green: #10B981;
  --color-accent-blue: #3B82F6;
  --color-accent-red: #EF4444;

  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 24px rgba(245, 184, 0, 0.25);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--color-bg-darkest);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text-main);
  line-height: 1.25;
  font-weight: 700;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(11, 13, 15, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 92px;
  position: relative;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 20px;
}

.brand-logo img {
  height: 60px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand-logo:hover img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  flex-shrink: 1;
  flex-wrap: nowrap;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 14.5px;
  font-weight: 600;
  color: #CBD5E1;
  text-decoration: none;
  padding: 8px 0;
  position: relative;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

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

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

.nav-emergency-link {
  color: #F87171 !important;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  margin-left: auto;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 16px;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: var(--transition);
  line-height: 1;
}

.lang-btn:hover {
  color: #FFF;
}

.lang-btn.active {
  background-color: var(--color-primary);
  color: #121417;
}

/* Mobile Menu Toggle */
.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  color: #FFF;
  font-size: 20px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  transition: var(--transition);
}

.mobile-toggle-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.nav-backdrop.active {
  display: block;
  opacity: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  min-height: 44px;
  touch-action: manipulation;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #121417;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #121417;
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: #FFF;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13.5px;
  min-height: 38px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* Flash Alerts */
.flash-container {
  max-width: 680px;
  margin: 24px auto 0;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.alert {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-bottom: 12px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34D399;
}

.alert-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #F87171;
}

/* Subpage Header Banner */
.page-header-banner {
  background: linear-gradient(180deg, #111418 0%, #0B0D0F 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 50px 0 35px;
}

.back-link {
  font-size: 14px;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
}

.page-main-title {
  font-size: 36px;
  margin-bottom: 10px;
  color: #FFF;
}

.page-main-subtitle {
  color: var(--color-text-muted);
  font-size: 16px;
  max-width: 800px;
  line-height: 1.6;
}

/* Service Detail View Layout */
.service-detail-container {
  padding: 50px 20px;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1.75fr 1.25fr;
  gap: 40px;
  align-items: start;
}

.service-detail-heading {
  font-size: 26px;
  margin-bottom: 18px;
  color: #FFF;
}

.service-detail-lead {
  color: var(--color-text-muted);
  font-size: 15.5px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-detail-subheading {
  font-size: 19px;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.service-work-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.service-work-list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: #E2E8F0;
  line-height: 1.5;
}

.service-work-list li i {
  color: var(--color-primary);
  margin-top: 4px;
  flex-shrink: 0;
}

.service-side-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
}

.service-side-card h3 {
  font-size: 20px;
  margin-bottom: 16px;
  color: #FFF;
}

.service-side-card p {
  color: var(--color-text-muted);
  font-size: 14.5px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-side-note {
  background: #111418;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 13.5px;
  color: var(--color-text-dim);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.service-side-note i {
  color: var(--color-primary);
  margin-top: 2px;
  flex-shrink: 0;
}

/* Hero Section */
.hero-section {
  padding: 70px 0 80px;
  background: radial-gradient(circle at 50% 0%, #1A202A 0%, var(--color-bg-darkest) 70%);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 44px;
  letter-spacing: -0.5px;
  margin-bottom: 18px;
  color: #FFF;
}

.hero-subtitle {
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.stat-item h3 {
  font-size: 20px;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 13px;
  color: var(--color-text-dim);
}

.hero-card-preview {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.tech-spec-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent-green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Services Catalog Grid */
.services-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-tag {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-primary);
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 32px;
  color: #FFF;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.service-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-border);
  background-color: var(--color-bg-card-hover);
  box-shadow: var(--shadow-md);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.service-title {
  font-size: 20px;
  margin-bottom: 12px;
  color: #FFF;
}

.service-desc {
  font-size: 14.5px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-primary);
  text-decoration: none;
}

.service-link:hover {
  gap: 12px;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: #E2E8F0;
  margin-bottom: 8px;
}

.form-label .req {
  color: #EF4444;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-size: 14.5px;
  font-family: var(--font-body);
  background-color: #111418;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: #FFF;
  outline: none;
  transition: var(--transition);
  min-height: 44px;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 184, 0, 0.15);
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #E2E8F0;
  cursor: pointer;
  user-select: none;
  min-height: 32px;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Footer */
.site-footer {
  background: #090B0D;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
  color: var(--color-text-muted);
  margin-top: auto;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 16px;
  color: #FFF;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
}

.footer-contact-item i {
  color: var(--color-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--color-text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 1240px) {
  .header-inner {
    height: 82px;
  }

  .nav-menu {
    gap: 14px;
  }

  .nav-link {
    font-size: 13.5px;
  }

  .brand-logo {
    margin-right: 12px;
  }

  .brand-logo img {
    height: 48px;
    max-width: 200px;
  }

  .header-actions {
    gap: 10px;
  }

  .header-portal-btn,
  .header-login-btn {
    padding: 7px 12px;
    font-size: 13px;
  }
}

@media (max-width: 1024px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    height: 74px;
  }

  .brand-logo img {
    height: 44px;
    max-width: 180px;
  }

  .mobile-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: rgba(14, 16, 19, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: stretch;
    padding: 24px 20px;
    gap: 12px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    z-index: 999;
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: 16px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(245, 184, 0, 0.1);
  }

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

  .hero-section {
    padding: 40px 0 50px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .page-main-title {
    font-size: 28px;
  }
}