/*
 * BSmart website styles
 * A modern, luxurious palette of dark blue and mustard/lime green colours.
 */

/* CSS Variables for easy palette changes */
:root {
  --color-primary: #0b2a45; /* deep blue background */
  --color-secondary: #f5b400; /* mustard accent */
  --color-accent: #88c23b; /* lime green accent */
  --color-light: #f5f5f5;
  --color-dark: #0b2a45;
  --color-text: #183a5a;
  --color-background: #ffffff;
  --transition-speed: 0.4s;
}

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

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  scroll-behavior: smooth;
}

/* Container */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(11, 42, 69, 0.9);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: transform var(--transition-speed) ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  width: 40px;
  height: 40px;
  margin-right: 0.5rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-secondary);
}

nav ul {
  display: flex;
  gap: 1.2rem;
  list-style: none;
}

nav a {
  text-decoration: none;
  color: var(--color-light);
  font-weight: 600;
  padding: 0.5rem 0;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--color-secondary);
  transition: width var(--transition-speed) ease;
}

nav a:hover::after,
nav a:focus::after {
  width: 100%;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  background-color: transparent;
  border: 1px solid var(--color-secondary);
  color: var(--color-secondary);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
}

.lang-btn.active,
.lang-btn:hover {
  background-color: var(--color-secondary);
  color: var(--color-dark);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding-top: 100px; /* offset for fixed header */
  background-color: var(--color-primary);
  color: var(--color-light);
}

.network-overlay {
  position: absolute;
  inset: 0;
  color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
  opacity: 0.5;
}

.network-overlay svg {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 3rem 0;
}

.hero-content .text-area {
  flex: 1 1 50%;
  padding-right: 2rem;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

.hero-content .subtitle {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.primary-btn {
  display: inline-block;
  background-color: var(--color-secondary);
  color: var(--color-dark);
  padding: 0.8rem 1.5rem;
  border-radius: 4px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

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

.hero-content .image-area {
  flex: 1 1 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-content .image-area img {
  max-width: 100%;
  height: auto;
  transform: scale(1);
  transition: transform var(--transition-speed) ease;
}

.hero-content .image-area img:hover {
  transform: scale(1.05);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--color-primary);
}

.section-text {
  max-width: 800px;
  margin: 0 auto 2rem;
  font-size: 1rem;
  line-height: 1.8;
  text-align: center;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background-color: #f9fafb;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.service-card i {
  font-size: 2rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* CRM Section */
.crm-section {
  background-color: #f0f4f8;
}

.crm-content {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.crm-text {
  flex: 1 1 50%;
}

.crm-image {
  flex: 1 1 50%;
  text-align: center;
}

.crm-image img {
  max-width: 100%;
  height: auto;
}

.crm-features {
  margin-top: 1rem;
  list-style: none;
}

.crm-features li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.crm-features li::before {
  content: '\f058'; /* Font Awesome check-circle */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-secondary);
}

/* Chatbots Section */
.chatbots-section {
  background-color: var(--color-primary);
  color: var(--color-light);
}

.chatbots-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
}

.chatbots-image {
  flex: 1 1 40%;
  text-align: center;
}

.chatbots-image img {
  max-width: 100%;
  height: auto;
}

.chatbots-text {
  flex: 1 1 60%;
}

.extra-services {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.extra-card {
  flex: 1 1 30%;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 8px;
  color: var(--color-light);
  text-align: center;
  transition: background-color var(--transition-speed) ease;
}

.extra-card:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.extra-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--color-secondary);
}

.extra-card p {
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Contact Section */
.contact-section {
  background-color: #f9fafb;
}

.contact-form {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-row input,
.contact-form textarea {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
}

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

.contact-form .btn {
  align-self: flex-start;
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: 1rem 0;
}

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

.footer a {
  color: var(--color-secondary);
  margin-left: 1rem;
  font-size: 1.2rem;
  transition: color var(--transition-speed) ease;
}

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

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive rules */
@media (max-width: 768px) {
  nav ul {
    display: none; /* hide nav on small screens for simplicity */
  }
  .lang-switcher {
    display: none;
  }
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  .hero-content .text-area {
    padding-right: 0;
    margin-bottom: 2rem;
  }
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
  .crm-content,
  .chatbots-content {
    flex-direction: column;
  }
  .form-row {
    flex-direction: column;
  }
}