/* EM&EX Marketing Website - Styles */

:root {
  --primary-color: #18E2A9;
  --primary-dark: #14C896;
  --primary-light: #4FE8C1;
  --bg-dark: #0A0E1A;
  --bg-darker: #050810;
  --bg-card: #111827;
  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --border-color: #1F2937;
  --shadow-neon: 0 0 20px rgba(24, 226, 169, 0.3);
  --shadow-card: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header */
header {
  background-color: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-container img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.95rem;
}

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

.cta-button {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--bg-dark);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-neon);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(24, 226, 169, 0.5);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(24, 226, 169, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(24, 226, 169, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-neon);
  object-fit: cover;
}

/* Sections */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-neon);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* How It Works */
.how-it-works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--bg-dark);
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-neon);
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.step p {
  color: var(--text-secondary);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1.5rem;
  font-size: 4rem;
  color: var(--primary-color);
  opacity: 0.3;
  font-family: serif;
}

.testimonial-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--bg-dark);
}

.author-info h4 {
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.author-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-darker));
  border-radius: 24px;
  padding: 4rem 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(24, 226, 169, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-section p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--bg-dark);
  box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(24, 226, 169, 0.6);
}

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

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

/* Footer */
footer {
  background-color: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem 1.5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Content Pages */
.content-page {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  min-height: 70vh;
}

.content-page h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.content-page h2 {
  font-size: 1.8rem;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.content-page h3 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.content-page p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.content-page ul,
.content-page ol {
  color: var(--text-secondary);
  margin-left: 2rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.content-page li {
  margin-bottom: 0.5rem;
}

.content-page a {
  color: var(--primary-color);
  text-decoration: none;
}

.content-page a:hover {
  text-decoration: underline;
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(24, 226, 169, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Download Page */
.download-hero {
  text-align: center;
  padding: 4rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.download-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 3rem 0;
}

.download-btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s ease;
  min-width: 200px;
}

.download-btn:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-neon);
  transform: translateY(-3px);
}

.download-btn img {
  height: 50px;
  width: auto;
  margin-bottom: 0.5rem;
}

.qr-code {
  text-align: center;
  margin: 3rem 0;
}

.qr-code img {
  width: 200px;
  height: 200px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  padding: 1rem;
  background: white;
}

/* Responsive */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

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

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

  .how-it-works {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Image Styles */
.content-image {
  width: 100%;
  height: auto;
  border-radius: 16px;
  margin: 2rem 0;
  box-shadow: var(--shadow-card);
}

.image-container {
  position: relative;
  margin: 2rem 0;
  border-radius: 16px;
  overflow: hidden;
}

.image-container img {
  width: 100%;
  height: auto;
  display: block;
}