/*
Theme Name: Salem Construction Theme Foundation
Theme URI: https://salemconstruction.com
Author: Salem Construction Engineering Team
Author URI: https://salemconstruction.com
Description: Custom WordPress & Elementor Flexbox Container compatible Theme Foundation for Salem Interlocking Brick Construction. Features high contrast bold dark theme, `#fdd835` brand accent, and WhatsApp integration.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: salem-construction
*/

/* ==========================================================================
   Salem Interlocking Brick Construction - Design System & Stylesheet
   Color Palette:
     Primary Accent: #fdd835
     Background Dark: #000000
     Background Dark Alt: #111111
     Surface Card: #ffffff
     Text Light: #ffffff
     Text Muted: #999999 / #cccccc
     Text Dark Card: #333333
     WhatsApp Green: #25D366
   ========================================================================== */

:root {
  /* Colors */
  --color-primary: #fdd835;
  --color-primary-hover: #e5c100;
  --color-primary-rgb: 253, 216, 53;
  --color-bg-dark: #000000;
  --color-bg-dark-alt: #111111;
  --color-surface-card: #ffffff;
  --color-text-light: #ffffff;
  --color-text-muted: #999999;
  --color-text-subtle: #cccccc;
  --color-text-dark: #333333;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1eb956;
  --color-border-dark: #222222;
  --color-border-card: #e5e5e5;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & Radius */
  --container-max-width: 1280px;
  --radius-btn: 5px;
  --radius-card: 10px;
  --radius-pill: 50px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* Typography Utilities */
.text-accent {
  color: var(--color-primary) !important;
}

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

.badge-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  background: rgba(253, 216, 53, 0.1);
  padding: 6px 14px;
  border-radius: 4px;
  border-left: 3px solid var(--color-primary);
  margin-bottom: 15px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text-light);
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-bottom: 40px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-dark);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 85px;
}

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

.brand-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--color-primary);
  color: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  font-size: 1.3rem;
  font-weight: 900;
}

.brand-logo .logo-text {
  display: flex;
  flex-direction: column;
}

.brand-logo .logo-main {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-light);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.brand-logo .logo-sub {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-light);
  position: relative;
  padding: 8px 0;
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 5px;
}

/* Button Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg-dark);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(253, 216, 53, 0.25);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-light);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #ffffff;
  border-radius: var(--radius-pill);
  border-color: var(--color-whatsapp);
  padding: 12px 24px;
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  border-color: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 120px 0 100px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.95) 100%),
              url('https://images.unsplash.com/photo-1541888946425-d0fbb186a5b7?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  border-bottom: 1px solid var(--color-border-dark);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 820px;
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-text-light);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-subtext {
  font-size: 1.2rem;
  color: var(--color-text-subtle);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 720px;
}

.hero-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Stats Counter Band */
.stats-band {
  background-color: var(--color-bg-dark-alt);
  padding: 60px 0;
  border-bottom: 1px solid var(--color-border-dark);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item {
  padding: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 10px;
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Services Grid Section */
.section-services {
  padding: 100px 0;
  background-color: var(--color-bg-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background-color: var(--color-surface-card);
  border-radius: var(--radius-card);
  padding: 40px 30px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 30px rgba(253, 216, 53, 0.15);
}

.service-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(253, 216, 53, 0.15);
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1.8rem;
  margin-bottom: 24px;
}

.service-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: 14px;
}

.service-desc {
  font-size: 1rem;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: #000000;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.service-link:hover {
  color: var(--color-primary-hover);
}

/* About / Feature Split Section */
.section-about {
  padding: 100px 0;
  background-color: var(--color-bg-dark-alt);
  border-top: 1px solid var(--color-border-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.about-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: 25px;
  right: 25px;
  background: var(--color-primary);
  color: var(--color-bg-dark);
  padding: 20px 25px;
  border-radius: var(--radius-card);
  text-align: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.about-badge .badge-num {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
}

.about-badge .badge-txt {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

.feature-list {
  list-style: none;
  margin: 30px 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 18px;
  font-size: 1.05rem;
  color: var(--color-text-subtle);
}

.feature-item i {
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-top: 4px;
}

/* Portfolio Section */
.section-portfolio {
  padding: 100px 0;
  background-color: var(--color-bg-dark);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-light);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-bg-dark);
  border-color: var(--color-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.portfolio-card {
  background: var(--color-bg-dark-alt);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform var(--transition-normal);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primary);
}

.portfolio-img {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-img img {
  transform: scale(1.08);
}

.portfolio-tag {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--color-primary);
  color: var(--color-bg-dark);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
}

.portfolio-body {
  padding: 24px;
}

.portfolio-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.portfolio-meta {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Call to Action Band */
.cta-band {
  background: linear-gradient(135deg, #111111 0%, #000000 100%);
  border-top: 3px solid var(--color-primary);
  border-bottom: 1px solid var(--color-border-dark);
  padding: 80px 0;
  text-align: center;
}

.cta-box {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.cta-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
}

/* Page Header Banner (Subpages) */
.page-banner {
  padding: 90px 0 60px;
  background: linear-gradient(180deg, #111111 0%, #000000 100%);
  border-bottom: 1px solid var(--color-border-dark);
  text-align: center;
}

.page-title {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

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

/* Contact Page Components */
.contact-section {
  padding: 90px 0;
  background-color: var(--color-bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
}

.contact-info-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-tile {
  background-color: var(--color-bg-dark-alt);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-card);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-tile-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(253, 216, 53, 0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-tile-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact-tile-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.contact-form-wrapper {
  background-color: var(--color-surface-card);
  border-radius: var(--radius-card);
  padding: 40px;
  color: var(--color-text-dark);
}

.contact-form-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-text-dark);
  margin-bottom: 10px;
}

.contact-form-subtitle {
  font-size: 0.95rem;
  color: #666666;
  margin-bottom: 25px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: #333333;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  font-size: 0.98rem;
  font-family: var(--font-main);
  border: 1px solid var(--color-border-card);
  border-radius: var(--radius-btn);
  background-color: #f9f9f9;
  color: #333333;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: #000000;
  background-color: #ffffff;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

/* Footer Component */
.site-footer {
  background-color: #050505;
  border-top: 1px solid var(--color-border-dark);
  padding: 80px 0 30px;
  color: var(--color-text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 24px;
}

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

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

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

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

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.footer-contact-item i {
  color: var(--color-primary);
  margin-top: 4px;
}

.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: 0.88rem;
  color: #777777;
}

/* Floating Sticky WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  animation: pulse-green 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: var(--color-whatsapp-hover);
  color: #ffffff;
}

@keyframes pulse-green {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: 2.8rem;
  }
  .services-grid,
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-bottom: none;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 75px;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 75px);
    background-color: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    justify-content: center;
    gap: 25px;
    transition: left var(--transition-normal);
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-link {
    font-size: 1.3rem;
  }
  .hero-section {
    padding: 80px 0 60px;
  }
  .hero-headline {
    font-size: 2.2rem;
  }
  .services-grid,
  .portfolio-grid,
  .stats-grid,
  .about-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .about-image-wrapper img {
    height: 320px;
  }
  .cta-title {
    font-size: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
}