/* ==========================================================================
   NAWAR TRADE — DESIGN SYSTEM
   Government-enlisted heavy construction & civil engineering contractor.
   Built on a strict 60 / 30 / 10 color rule:

     60% Primary   — Cool Light Gray  (#F1F3F5)  → backgrounds / whitespace
     30% Secondary — Iron Slate Gray  (#2B303A)  → nav, footer, steel blocks
     10% Accent    — Industrial Yellow(#FFD166)  → highlights, CTAs, badges
         Neutral   — Midnight Black  (#1A1C20)  → headings / high-contrast text

   Structure:
     1. Custom Properties (Design Tokens)
     2. Base Reset & Layout
     3. Typography
     4. Layout Primitives (container, section, grid)
     5. Header / Navbar
     6. Buttons
     7. Cards (Services / Projects)
     8. Badges & Callouts (Ongoing Tenders)
     9. Footer
    10. Micro-interactions & Utilities
   ========================================================================== */

/* ==========================================================================
   1. CUSTOM PROPERTIES — DESIGN TOKENS
   ========================================================================== */
:root {
  /* --- Core Palette (60-30-10) --- */
  --nt-primary: #F1F3F5;        /* Cool Light Gray — 60% */
  --nt-secondary: #2B303A;      /* Iron Slate Gray — 30% */
  --nt-accent: #FFD166;         /* Industrial Yellow — 10% */
  --nt-dark: #1A1C20;           /* Midnight Black — headings/text */

  /* --- Derived Tones (tints/shades computed for consistent depth) --- */
  --nt-primary-50: #FAFBFC;     /* near-white surface, cards on primary bg */
  --nt-primary-100: #E9ECEF;    /* subtle borders/dividers on primary */
  --nt-secondary-40: #3A4150;   /* lighter slate — hover surfaces */
  --nt-secondary-20: #20242C;   /* darker slate — footer / deep panels */
  --nt-accent-dark: #E6B84D;    /* pressed/active state of accent */
  --nt-accent-10: rgba(255, 209, 102, 0.1); /* accent tint background */
  --nt-accent-25: rgba(255, 209, 102, 0.25);

  /* --- Text --- */
  --nt-text-heading: var(--nt-dark);
  --nt-text-body: #454B57;
  --nt-text-muted: #6B7280;
  --nt-text-on-dark: #EDEFF2;
  --nt-text-on-dark-muted: #A7ADB8;

  /* --- Surfaces --- */
  --nt-surface: #FFFFFF;
  --nt-surface-alt: var(--nt-primary);
  --nt-border: #DDE1E6;
  --nt-border-strong: var(--nt-secondary);

  /* --- Typography Scale --- */
  --nt-font-base: 'Inter', 'Segoe UI', Roboto, Arial, sans-serif;
  --nt-font-heading: 'Barlow Condensed', 'Segoe UI', Arial, sans-serif;
  --nt-fs-xs: 0.75rem;
  --nt-fs-sm: 0.875rem;
  --nt-fs-base: 1rem;
  --nt-fs-md: 1.125rem;
  --nt-fs-lg: 1.5rem;
  --nt-fs-xl: 2rem;
  --nt-fs-2xl: 2.75rem;
  --nt-fs-3xl: 3.5rem;
  --nt-lh-tight: 1.2;
  --nt-lh-base: 1.6;

  /* --- Spacing Scale --- */
  --nt-space-1: 0.25rem;
  --nt-space-2: 0.5rem;
  --nt-space-3: 0.75rem;
  --nt-space-4: 1rem;
  --nt-space-5: 1.5rem;
  --nt-space-6: 2rem;
  --nt-space-8: 3rem;
  --nt-space-10: 4rem;
  --nt-space-12: 6rem;

  /* --- Radius --- */
  --nt-radius-sm: 4px;
  --nt-radius-md: 6px;
  --nt-radius-lg: 10px;
  --nt-radius-pill: 999px;

  /* --- Shadows (kept flat/industrial — no soft glows) --- */
  --nt-shadow-sm: 0 1px 2px rgba(26, 28, 32, 0.08);
  --nt-shadow-md: 0 4px 10px rgba(26, 28, 32, 0.10);
  --nt-shadow-lg: 0 12px 24px rgba(26, 28, 32, 0.14);
  --nt-shadow-accent: 0 6px 16px rgba(255, 209, 102, 0.35);

  /* --- Motion --- */
  --nt-transition-fast: 150ms ease;
  --nt-transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);
  --nt-transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* --- Layout --- */
  --nt-container-max: 1240px;
  --nt-header-height: 88px;
  --nt-header-height-mobile: 68px;
}

/* ==========================================================================
   2. BASE RESET & LAYOUT
   ========================================================================== */
.nt-scope,
.nt-scope * {
  box-sizing: border-box;
}

.nt-scope {
  background-color: var(--nt-primary);
  color: var(--nt-text-body);
  font-family: var(--nt-font-base);
  font-size: var(--nt-fs-base);
  line-height: var(--nt-lh-base);
  -webkit-font-smoothing: antialiased;
}

.nt-scope img {
  max-width: 100%;
  display: block;
}

.nt-scope a {
  text-decoration: none;
  color: inherit;
}

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */
.nt-scope h1,
.nt-scope h2,
.nt-scope h3,
.nt-scope h4,
.nt-scope h5,
.nt-scope h6,
.nt-heading {
  font-family: var(--nt-font-heading);
  color: var(--nt-text-heading);
  line-height: var(--nt-lh-tight);
  font-weight: 700;
  letter-spacing: 0.2px;
  margin: 0 0 var(--nt-space-4);
}

.nt-scope h1, .nt-h1 { font-size: var(--nt-fs-3xl); }
.nt-scope h2, .nt-h2 { font-size: var(--nt-fs-2xl); }
.nt-scope h3, .nt-h3 { font-size: var(--nt-fs-xl); }
.nt-scope h4, .nt-h4 { font-size: var(--nt-fs-lg); }

.nt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--nt-space-2);
  font-size: var(--nt-fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--nt-secondary);
  margin-bottom: var(--nt-space-2);
}

.nt-eyebrow::before {
  content: '';
  width: 24px;
  height: 3px;
  background-color: var(--nt-accent);
  border-radius: var(--nt-radius-pill);
}

.nt-section-title {
  max-width: 640px;
  margin-bottom: var(--nt-space-8);
}

.nt-section-title p {
  color: var(--nt-text-muted);
  font-size: var(--nt-fs-md);
  margin-top: var(--nt-space-2);
}

/* ==========================================================================
   4. LAYOUT PRIMITIVES
   ========================================================================== */
.nt-container {
  width: 100%;
  max-width: var(--nt-container-max);
  margin-inline: auto;
  padding-inline: var(--nt-space-5);
}

.nt-section {
  padding-block: var(--nt-space-10);
}

.nt-section--alt {
  background-color: var(--nt-surface);
}

.nt-section--dark {
  background-color: var(--nt-secondary);
  color: var(--nt-text-on-dark);
}

.nt-section--dark .nt-scope h1,
.nt-section--dark .nt-scope h2,
.nt-section--dark .nt-scope h3,
.nt-section--dark h1,
.nt-section--dark h2,
.nt-section--dark h3 {
  color: var(--nt-text-on-dark);
}

.nt-grid {
  display: grid;
  gap: var(--nt-space-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.nt-grid--2 { grid-template-columns: repeat(2, 1fr); }
.nt-grid--3 { grid-template-columns: repeat(3, 1fr); }
.nt-grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 991px) {
  .nt-grid--3, .nt-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575px) {
  .nt-grid--2, .nt-grid--3, .nt-grid--4 { grid-template-columns: 1fr; }
}

/* ==========================================================================
   5. HEADER / NAVBAR
   Commanding, industrial, high-authority. Slate background, light text,
   yellow accent reserved strictly for active/hover states (10% rule).
   ========================================================================== */
.nt-navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--nt-secondary);
  border-bottom: 1px solid var(--nt-secondary-20);
  transition: box-shadow var(--nt-transition-base), background-color var(--nt-transition-base);
}

.nt-navbar.is-scrolled {
  box-shadow: var(--nt-shadow-lg);
}

.nt-navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--nt-space-6);
  height: var(--nt-header-height);
}

.nt-navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--nt-space-3);
  flex-shrink: 0;
}

.nt-navbar__brand img {
  height: 42px;
  width: auto;
  transition: transform var(--nt-transition-base);
}

.nt-navbar__brand:hover img {
  transform: scale(1.03);
}

.nt-navbar__brand-text {
  font-family: var(--nt-font-heading);
  font-weight: 800;
  font-size: var(--nt-fs-md);
  color: var(--nt-text-on-dark);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  line-height: 1.1;
}

.nt-navbar__brand-text span {
  display: block;
  font-size: var(--nt-fs-xs);
  font-weight: 500;
  letter-spacing: 1.2px;
  color: var(--nt-accent);
  text-transform: uppercase;
}

.nt-navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--nt-space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nt-navbar__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--nt-space-1);
  padding: var(--nt-space-3) var(--nt-space-4);
  font-size: var(--nt-fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--nt-text-on-dark);
  border-radius: var(--nt-radius-sm);
  transition: color var(--nt-transition-fast), background-color var(--nt-transition-fast);
}

.nt-navbar__link::after {
  content: '';
  position: absolute;
  left: var(--nt-space-4);
  right: var(--nt-space-4);
  bottom: 6px;
  height: 2px;
  background-color: var(--nt-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--nt-transition-base);
}

.nt-navbar__link:hover,
.nt-navbar__link:focus-visible {
  color: var(--nt-accent);
  background-color: var(--nt-secondary-40);
}

.nt-navbar__link:hover::after,
.nt-navbar__link.is-active::after {
  transform: scaleX(1);
}

.nt-navbar__link.is-active {
  color: var(--nt-accent);
}

/* Dropdown */
.nt-navbar__item {
  position: relative;
}

.nt-navbar__dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 240px;
  background-color: var(--nt-surface);
  border-top: 3px solid var(--nt-accent);
  border-radius: var(--nt-radius-md);
  box-shadow: var(--nt-shadow-lg);
  padding: var(--nt-space-2);
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--nt-transition-base), transform var(--nt-transition-base), visibility var(--nt-transition-base);
}

.nt-navbar__item:hover .nt-navbar__dropdown,
.nt-navbar__item:focus-within .nt-navbar__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nt-navbar__dropdown-link {
  display: block;
  padding: var(--nt-space-3) var(--nt-space-4);
  font-size: var(--nt-fs-sm);
  font-weight: 600;
  color: var(--nt-secondary);
  border-radius: var(--nt-radius-sm);
  transition: background-color var(--nt-transition-fast), color var(--nt-transition-fast), padding-left var(--nt-transition-fast);
}

.nt-navbar__dropdown-link:hover {
  background-color: var(--nt-accent-10);
  color: var(--nt-dark);
  padding-left: calc(var(--nt-space-4) + 4px);
}

/* Quick-contact / CTA cluster */
.nt-navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--nt-space-4);
}

.nt-navbar__call {
  display: flex;
  align-items: center;
  gap: var(--nt-space-2);
  color: var(--nt-text-on-dark);
}

.nt-navbar__call-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--nt-accent);
  color: var(--nt-dark);
  font-size: var(--nt-fs-md);
}

.nt-navbar__call-text small {
  display: block;
  font-size: var(--nt-fs-xs);
  color: var(--nt-text-on-dark-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nt-navbar__call-text strong {
  font-size: var(--nt-fs-md);
  font-weight: 700;
}

/* Mobile toggler */
.nt-navbar__toggler {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--nt-secondary-40);
  border-radius: var(--nt-radius-sm);
  cursor: pointer;
}

.nt-navbar__toggler .nt-navbar__toggler-bar {
  height: 2px;
  background-color: var(--nt-text-on-dark);
  margin-inline: auto;
  width: 20px;
  border-radius: var(--nt-radius-pill);
  transition: transform var(--nt-transition-base), opacity var(--nt-transition-base), width var(--nt-transition-base);
}

.nt-navbar__toggler:hover .nt-navbar__toggler-bar {
  background-color: var(--nt-accent);
  width: 24px;
}

@media (max-width: 991px) {
  .nt-navbar__nav,
  .nt-navbar__actions {
    display: none;
  }

  .nt-navbar__toggler {
    display: flex;
  }

  .nt-navbar__inner {
    height: var(--nt-header-height-mobile);
  }
}

/* ==========================================================================
   6. BUTTONS
   ========================================================================== */
.nt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--nt-space-2);
  padding: var(--nt-space-3) var(--nt-space-6);
  font-size: var(--nt-fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-radius: var(--nt-radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--nt-transition-fast), box-shadow var(--nt-transition-base),
              background-color var(--nt-transition-base), color var(--nt-transition-base),
              border-color var(--nt-transition-base);
}

.nt-btn:active {
  transform: translateY(1px);
}

.nt-btn--primary {
  background-color: var(--nt-accent);
  color: var(--nt-dark);
}

.nt-btn--primary:hover {
  background-color: var(--nt-accent-dark);
  box-shadow: var(--nt-shadow-accent);
  transform: translateY(-2px);
}

.nt-btn--secondary {
  background-color: var(--nt-secondary);
  color: var(--nt-text-on-dark);
  border-color: var(--nt-secondary);
}

.nt-btn--secondary:hover {
  background-color: var(--nt-secondary-40);
  transform: translateY(-2px);
  box-shadow: var(--nt-shadow-md);
}

.nt-btn--outline {
  background-color: transparent;
  color: var(--nt-secondary);
  border-color: var(--nt-secondary);
}

.nt-btn--outline:hover {
  background-color: var(--nt-secondary);
  color: var(--nt-text-on-dark);
  transform: translateY(-2px);
}

.nt-btn--outline-light {
  background-color: transparent;
  color: var(--nt-text-on-dark);
  border-color: rgba(237, 239, 242, 0.4);
}

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

/* ==========================================================================
   7. CARDS — SERVICES / PROJECTS
   Solid, structural, blueprint-like. Iron Slate borders/accents define edges.
   ========================================================================== */
.nt-card {
  position: relative;
  background-color: var(--nt-surface);
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-md);
  overflow: hidden;
  transition: transform var(--nt-transition-base), box-shadow var(--nt-transition-base),
              border-color var(--nt-transition-base);
}

.nt-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--nt-shadow-lg);
  border-color: var(--nt-secondary);
}

.nt-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--nt-secondary-20);
}

.nt-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--nt-transition-slow);
}

.nt-card:hover .nt-card__media img {
  transform: scale(1.06);
}

.nt-card__index {
  position: absolute;
  top: var(--nt-space-3);
  left: var(--nt-space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background-color: var(--nt-secondary);
  color: var(--nt-accent);
  font-weight: 800;
  font-size: var(--nt-fs-sm);
  border-radius: var(--nt-radius-sm);
}

.nt-card__body {
  padding: var(--nt-space-5);
  border-top: 3px solid var(--nt-secondary);
}

.nt-card__category {
  font-size: var(--nt-fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--nt-text-muted);
  margin-bottom: var(--nt-space-2);
}

.nt-card__title {
  font-size: var(--nt-fs-md);
  font-weight: 700;
  color: var(--nt-text-heading);
  margin-bottom: var(--nt-space-2);
}

.nt-card__title a {
  transition: color var(--nt-transition-fast);
}

.nt-card:hover .nt-card__title a {
  color: var(--nt-secondary);
}

.nt-card__meta {
  display: flex;
  align-items: center;
  gap: var(--nt-space-4);
  padding-top: var(--nt-space-4);
  margin-top: var(--nt-space-4);
  border-top: 1px dashed var(--nt-border);
  font-size: var(--nt-fs-xs);
  color: var(--nt-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.nt-card__meta strong {
  color: var(--nt-text-heading);
}

/* Flat "blueprint" variant for Services on the primary gray background */
.nt-card--service {
  background-color: var(--nt-primary-50);
  text-align: left;
  padding: var(--nt-space-6);
  border-color: var(--nt-primary-100);
}

.nt-card--service .nt-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--nt-space-4);
  background-color: var(--nt-secondary);
  color: var(--nt-accent);
  border-radius: var(--nt-radius-md);
  font-size: var(--nt-fs-lg);
  transition: background-color var(--nt-transition-base), transform var(--nt-transition-base);
}

.nt-card--service:hover .nt-card__icon {
  background-color: var(--nt-accent);
  color: var(--nt-dark);
  transform: rotate(-6deg);
}

/* ==========================================================================
   8. BADGES & CALLOUTS — ONGOING TENDERS
   High-visibility use of the 10% Industrial Yellow accent.
   ========================================================================== */
.nt-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--nt-space-2);
  padding: var(--nt-space-1) var(--nt-space-3);
  font-size: var(--nt-fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-radius: var(--nt-radius-pill);
  line-height: 1.4;
}

.nt-badge--tender {
  background-color: var(--nt-accent);
  color: var(--nt-dark);
  box-shadow: var(--nt-shadow-accent);
}

.nt-badge--tender::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--nt-dark);
  animation: nt-pulse 1.8s infinite;
}

.nt-badge--outline {
  background-color: transparent;
  border: 1.5px solid var(--nt-secondary);
  color: var(--nt-secondary);
}

.nt-badge--muted {
  background-color: var(--nt-primary-100);
  color: var(--nt-text-muted);
}

/* Full callout banner — e.g. "Ongoing Tenders" strip on Projects page */
.nt-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--nt-space-4);
  padding: var(--nt-space-5) var(--nt-space-6);
  background-color: var(--nt-accent);
  border-left: 6px solid var(--nt-dark);
  border-radius: var(--nt-radius-md);
}

.nt-callout__text {
  display: flex;
  align-items: center;
  gap: var(--nt-space-3);
  color: var(--nt-dark);
  font-weight: 700;
}

.nt-callout__text .nt-callout__label {
  font-size: var(--nt-fs-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.75;
  display: block;
  font-weight: 600;
}

.nt-callout__text .nt-callout__title {
  font-size: var(--nt-fs-md);
}

@keyframes nt-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* ==========================================================================
   9. FOOTER
   ========================================================================== */
.nt-footer {
  background-color: var(--nt-secondary-20);
  color: var(--nt-text-on-dark-muted);
  padding-block: var(--nt-space-10) var(--nt-space-6);
}

.nt-footer a {
  color: var(--nt-text-on-dark-muted);
  transition: color var(--nt-transition-fast), padding-left var(--nt-transition-fast);
}

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

.nt-footer__heading {
  color: var(--nt-text-on-dark);
  font-size: var(--nt-fs-md);
  font-weight: 700;
  margin-bottom: var(--nt-space-4);
  position: relative;
  padding-bottom: var(--nt-space-3);
}

.nt-footer__heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background-color: var(--nt-accent);
}

.nt-footer__bottom {
  margin-top: var(--nt-space-8);
  padding-top: var(--nt-space-4);
  border-top: 1px solid rgba(237, 239, 242, 0.08);
  font-size: var(--nt-fs-xs);
  text-align: center;
}

/* ==========================================================================
   10. MICRO-INTERACTIONS & UTILITIES
   ========================================================================== */
.nt-hover-lift {
  transition: transform var(--nt-transition-base), box-shadow var(--nt-transition-base);
}

.nt-hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--nt-shadow-md);
}

.nt-focus-ring:focus-visible {
  outline: 2px solid var(--nt-accent);
  outline-offset: 2px;
}

.nt-divider {
  height: 1px;
  background-color: var(--nt-border);
  border: none;
  margin-block: var(--nt-space-6);
}

.nt-divider--accent {
  height: 3px;
  width: 60px;
  background-color: var(--nt-accent);
}

/* Text/background color utility hooks (used sparingly per 60/30/10 rule) */
.nt-bg-primary { background-color: var(--nt-primary); }
.nt-bg-secondary { background-color: var(--nt-secondary); color: var(--nt-text-on-dark); }
.nt-bg-accent { background-color: var(--nt-accent); color: var(--nt-dark); }
.nt-text-accent { color: var(--nt-accent); }
.nt-text-secondary { color: var(--nt-secondary); }
.nt-text-dark { color: var(--nt-dark); }

@media (prefers-reduced-motion: reduce) {
  .nt-scope * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}