/*
Theme Name: Terracem Global
Theme URI: https://terracem.net
Author: Terracem Team
Author URI: https://terracem.net
Description: Corporate theme for Terracem - Innovation in Construction Materials. A modern, professional theme designed for a global construction materials company specializing in polymer-modified cementitious products.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: terracem-global
Tags: corporate, business, construction, multilingual, responsive

This theme, like WordPress, is licensed under the GPL.
*/

/* ===================================
   CSS Variables - Terracem Brand Colors
   =================================== */
:root {
  /* Primary Brand Colors - From Terracem Logo */
  --color-primary: #C9A961;        /* Terracem Gold */
  --color-primary-dark: #B08F48;   /* Darker Gold */
  --color-primary-light: #E5D4AC;  /* Light Gold */

  /* Secondary Colors */
  --color-secondary: #2C3E50;      /* Professional Dark Blue-Gray */
  --color-secondary-light: #34495E;

  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-gray-light: #F8F9FA;
  --color-gray-medium: #6C757D;
  --color-gray-dark: #343A40;

  /* Accent Colors */
  --color-accent: #037FFF;         /* Modern Blue (from competitor analysis) */
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-danger: #DC3545;

  /* Typography */
  --font-primary: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Open Sans', 'Segoe UI', sans-serif;
  --font-heading: 'Roboto', sans-serif;

  /* Font Sizes */
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-h1: 2.5rem;
  --font-size-h2: 2rem;
  --font-size-h3: 1.75rem;
  --font-size-h4: 1.5rem;
  --font-size-h5: 1.25rem;
  --font-size-h6: 1rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Layout */
  --container-max-width: 1200px;
  --container-wide: 1400px;
  --header-height: 80px;
  --border-radius: 8px;
  --border-radius-large: 16px;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --box-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --box-shadow-large: 0 10px 40px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

  /* Modern gradients */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.9) 100%);
  --gradient-subtle: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(201, 169, 97, 0.05) 100%);
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  line-height: 1.6;
  color: var(--color-gray-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }
h5 { font-size: var(--font-size-h5); }
h6 { font-size: var(--font-size-h6); }

p {
  margin-bottom: var(--spacing-sm);
}

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

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

/* ===================================
   Layout Components
   =================================== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-light));
  margin: var(--spacing-md) auto 0;
}

/* ===================================
   Header
   =================================== */
.site-header {
  background-color: var(--color-white);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding-top: var(--spacing-sm);
}

.site-logo img {
  max-height: 50px;
  width: auto;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.main-navigation a {
  color: var(--color-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: var(--transition);
}

.main-navigation a:hover,
.main-navigation a.active {
  color: var(--color-primary);
}

.language-switcher {
  display: flex;
  gap: var(--spacing-sm);
}

.language-switcher a {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition);
}

.language-switcher a:hover,
.language-switcher a.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ===================================
   Hero Section
   =================================== */
.hero-section {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="2" fill="%23C9A961" opacity="0.3"/></svg>') repeat;
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--color-primary-light);
  margin-bottom: var(--spacing-lg);
}

.hero-tagline {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-primary);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(201, 169, 97, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-secondary);
}

/* ===================================
   Features/Products Section
   =================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-white);
}

.feature-title {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

/* ===================================
   About Section
   =================================== */
.about-section {
  background-color: var(--color-gray-light);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-text h2 {
  color: var(--color-secondary);
}

.about-text .highlight {
  color: var(--color-primary);
  font-weight: 700;
}

.about-image img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

/* ===================================
   Stats Section
   =================================== */
.stats-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
}

.stat-label {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===================================
   Footer
   =================================== */
.site-footer {
  background-color: #1a202c;
  color: var(--color-white);
}

/* Footer Main */
.footer-main {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

/* Footer About Column */
.footer-about {
  max-width: 350px;
}

.footer-logo img {
  max-height: 50px;
  margin-bottom: 1.5rem;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.footer-tagline {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Footer Titles */
.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Footer Menu */
.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-menu a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-menu a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* Footer Contact */
.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

.footer-contact-list a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-language {
  margin-top: 1.5rem;
}

/* Footer Bottom */
.footer-bottom {
  padding: 2rem 0;
  background: rgba(0, 0, 0, 0.2);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-links .separator {
  color: rgba(255, 255, 255, 0.3);
}

.footer-credit p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* Responsive Footer */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .footer-about {
    grid-column: 1 / -1;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .footer-main {
    padding: 3rem 0 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.75rem;
    --font-size-h3: 1.5rem;
  }

  .header-content {
    flex-direction: column;
    height: auto;
    padding: var(--spacing-sm) 0;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-title {
    font-size: 2rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

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

/* ===================================
   Utility Classes
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Screen reader only - for accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.pt-1 { padding-top: var(--spacing-xs); }
.pt-2 { padding-top: var(--spacing-sm); }
.pt-3 { padding-top: var(--spacing-md); }
.pt-4 { padding-top: var(--spacing-lg); }
.pt-5 { padding-top: var(--spacing-xl); }

.pb-1 { padding-bottom: var(--spacing-xs); }
.pb-2 { padding-bottom: var(--spacing-sm); }
.pb-3 { padding-bottom: var(--spacing-md); }
.pb-4 { padding-bottom: var(--spacing-lg); }
.pb-5 { padding-bottom: var(--spacing-xl); }