/*
  S.S Traders - Core Design System & Styles
  Theme: Professional Industrial (Red, Black, Yellow)
*/

:root {
  /* Colors */
  --primary-red: #d32f2f;
  --primary-red-hover: #b71c1c;
  --accent-yellow: #fbc02d;
  --accent-yellow-hover: #f9a825;
  --dark-black: #121212;
  --dark-gray: #333333;
  --light-gray: #f5f5f5;
  --white: #ffffff;
  --text-dark: #212121;
  --text-light: #757575;

  /* Typography */
  --font-family-base: 'Roboto', 'Inter', sans-serif;
  --font-family-heading: 'Oswald', 'Outfit', sans-serif;
  
  /* Layout */
  --container-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  /* Other */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --transition-speed: 0.3s;
  --box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  --box-shadow-hover: 0 10px 15px rgba(0,0,0,0.15);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family-base);
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--dark-black);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

ul {
  list-style: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

.section-bg-dark {
  background-color: var(--dark-black);
  color: var(--white);
}

.section-bg-dark h1,
.section-bg-dark h2,
.section-bg-dark h3 {
  color: var(--white);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.col-half {
  flex: 1 1 calc(50% - var(--spacing-lg));
  min-width: 300px;
}

.col-third {
  flex: 1 1 calc(33.333% - var(--spacing-lg));
  min-width: 280px;
}

.text-center {
  text-align: center;
}

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

/* Typography Additions */
.section-title {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--primary-red);
}

.text-center .section-title::after {
  left: 50%;
}
.text-left .section-title::after {
  left: 0;
  transform: none;
}
.text-left { text-align: left; }

.section-subtitle {
  color: var(--primary-red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: block;
  margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family-heading);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-speed);
  text-align: center;
}

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

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

.btn-secondary {
  background-color: var(--accent-yellow);
  color: var(--dark-black);
}

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--primary-red);
  color: var(--primary-red);
}

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

/* Navigation */
.top-bar {
  background-color: var(--dark-black);
  color: var(--light-gray);
  padding: 8px 0;
  font-size: 0.9rem;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-info, .top-bar-social {
  display: flex;
  gap: var(--spacing-md);
}

.top-bar i {
  color: var(--accent-yellow);
  margin-right: 5px;
}

.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px var(--spacing-md);
}

.logo {
  font-family: var(--font-family-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark-black);
  display: flex;
  align-items: center;
}

.logo span {
  color: var(--primary-red);
}

.nav-links {
  display: flex;
  gap: 25px;
}

.nav-links li a {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.95rem;
  position: relative;
  padding: 5px 0;
}

.nav-links li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-red);
  transition: width var(--transition-speed);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
  width: 100%;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--primary-red);
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dark-black);
}

/* Footer */
.footer {
  background-color: var(--dark-black);
  color: var(--light-gray);
  padding: 60px 0 20px;
}

.footer-top {
  padding-bottom: 40px;
  border-bottom: 1px solid var(--dark-gray);
  margin-bottom: 20px;
}

.footer h3 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background-color: var(--primary-red);
}

.footer-about p {
  margin-bottom: 20px;
}

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

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

.footer-contact li {
  display: flex;
  margin-bottom: 15px;
  align-items: flex-start;
}

.footer-contact i {
  color: var(--primary-red);
  font-size: 1.2rem;
  margin-right: 15px;
  margin-top: 3px;
}

.footer-bottom {
  text-align: center;
  font-size: 0.9rem;
}

/* Floating Action Buttons */
.fab-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 999;
}

.fab {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--white);
  font-size: 1.8rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform var(--transition-speed);
}

.fab:hover {
  transform: scale(1.1);
  color: var(--white);
}

.fab-whatsapp {
  background-color: #25D366;
}

.fab-call {
  background-color: var(--primary-red);
}

/* Responsive */
@media (max-width: 992px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    padding: 20px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    align-items: center;
    gap: 15px;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }

  .top-bar {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .col-third, .col-half {
    flex: 1 1 100%;
  }
}