/* =========================================================
   Global Stylesheet for EasyGo Business App
   File: /frontend/css/style.css
   Author: RDSoft (www.easygo.services)
   Inspired by Apple-style design: clean, minimal, modern
   ========================================================= */

/* ------------------------------
   Root Variables
   ------------------------------ */
:root {
  --primary-color: #0a84ff;   /* Apple blue */
  --secondary-color: #34c759; /* Apple green */
  --accent-color: #ff9500;    /* Apple orange */
  --dark-bg: #1c1c1e;
  --light-bg: #f5f5f7;
  --text-color: #1d1d1f;
  --muted-text: #6e6e73;
  --max-width: 1200px;
  --spacing: 1rem;
  --border-radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------
   Accessibility
   ------------------------------ */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: #fff;
  padding: 8px 16px;
  z-index: 100;
  border-radius: var(--border-radius);
  transition: var(--transition);
}
.skip-link:focus {
  top: 10px;
}

/* ------------------------------
   Header and Navigation
   ------------------------------ */
.site-header {
  background: #fff;
  border-bottom: 1px solid #e5e5e7;
  position: sticky;
  top: 0;
  z-index: 1000;
}
.site-header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin: auto;
  padding: 0.8rem var(--spacing);
}
.logo a {
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text-color);
  text-decoration: none;
}
.nav-links a {
  margin-left: 1.5rem;
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a:focus {
  color: var(--primary-color);
}

/* ------------------------------
   Hero Section
   ------------------------------ */
.hero-section {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 120px var(--spacing);
  text-align: center;
}
.hero-section h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.hero-section p {
  font-size: 1.2rem;
  color: #f0f0f0;
  max-width: 600px;
  margin: auto;
}

/* ------------------------------
   Services Section
   ------------------------------ */
.services {
  max-width: var(--max-width);
  margin: auto;
  padding: 80px var(--spacing);
  text-align: center;
}
.services h2 {
  font-size: 2rem;
  margin-bottom: 2.5rem;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.service-card {
  background: #fff;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-5px);
}
.service-card h3 {
  color: var(--primary-color);
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}
.service-card p {
  font-size: 0.95rem;
  color: var(--muted-text);
}

/* ------------------------------
   Features Section
   ------------------------------ */
.app-features {
  background: #fff;
  padding: 80px var(--spacing);
  text-align: center;
}
.app-features h2 {
  font-size: 2rem;
  margin-bottom: 2.5rem;
}
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.app-card {
  background: var(--light-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.app-card:hover {
  transform: translateY(-5px);
}
.app-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}
.app-card p {
  color: var(--muted-text);
  font-size: 0.95rem;
}

/* ------------------------------
   Web Apps Section
   ------------------------------ */
.web-apps {
  background: var(--light-bg);
  padding: 80px var(--spacing);
  text-align: center;
}
.web-apps h2 {
  font-size: 2rem;
  margin-bottom: 2.5rem;
}
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.app-card button {
  margin-top: 1rem;
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}
.app-card button:hover {
  background: var(--secondary-color);
}

/* Learn More Container */
.learn-more-message {
  margin-top: 2rem;
  padding: 1.5rem;
  background: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  text-align: left;
}

/* ------------------------------
   Contact Section
   ------------------------------ */
.contact {
  background: #fff;
  padding: 80px var(--spacing);
}
.contact h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2.5rem;
}
.contact form {
  max-width: 600px;
  margin: auto;
}
.contact label {
  display: block;
  margin: 1rem 0 0.5rem;
  font-weight: 500;
}
.contact input,
.contact textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}
.contact input:focus,
.contact textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.2);
}
.contact button {
  margin-top: 1rem;
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
}
.contact button:hover {
  background: var(--secondary-color);
}
#contact-status {
  margin-top: 1rem;
  text-align: center;
  font-size: 0.95rem;
  color: var(--muted-text);
}

/* ------------------------------
   Footer
   ------------------------------ */
.site-footer {
  background: var(--dark-bg);
  color: #f5f5f7;
  padding: 2rem var(--spacing);
  text-align: center;
}
.site-footer nav {
  margin-bottom: 1rem;
}
.site-footer nav a {
  color: #f5f5f7;
  margin: 0 1rem;
  text-decoration: none;
  transition: var(--transition);
}
.site-footer nav a:hover {
  color: var(--primary-color);
}
.site-footer p {
  font-size: 0.85rem;
  color: var(--muted-text);
}

/* ------------------------------
   Responsive Design
   ------------------------------ */
@media (max-width: 768px) {
  .site-header nav {
    flex-direction: column;
  }
  .nav-links {
    margin-top: 0.5rem;
  }
  .apps-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .apps-grid {
    grid-template-columns: 1fr;
  }
  .hero-section h1 {
    font-size: 2.2rem;
  }
}