/* ========================================
   ALBAWORK Landing Page - Mobile First CSS
   ======================================== */

/* Reset & Base */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #333;
  line-height: 1.7;
  font-size: 16px;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  background: linear-gradient(135deg, #0F2B5B 0%, #1E50A2 50%, #3A7BD5 100%);
  color: #fff;
  padding: 80px 0 60px;
  text-align: center;
}

.hero-logo {
  font-family: 'Poppins', sans-serif;
  font-size: 48px;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.hero-tagline {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  opacity: 0.95;
}

.hero-description {
  font-size: 16px;
  opacity: 0.85;
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.store-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: background 0.3s, transform 0.2s;
  backdrop-filter: blur(4px);
}

.store-badge:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ========================================
   Section Common
   ======================================== */
.section-title {
  font-size: 28px;
  font-weight: 900;
  text-align: center;
  margin-bottom: 8px;
  color: #111827;
}

.section-subtitle {
  font-size: 16px;
  text-align: center;
  color: #6B7280;
  margin-bottom: 48px;
}

/* ========================================
   Features Section
   ======================================== */
.features {
  padding: 80px 0;
  background: #F8FAFF;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.feature-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #E8EEF7, #F0F4FA);
  border-radius: 14px;
  margin-bottom: 16px;
  color: #1E50A2;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #111827;
}

.feature-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

/* ========================================
   How It Works
   ======================================== */
.how-it-works {
  padding: 80px 0;
  background: #fff;
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.step {
  text-align: center;
  max-width: 300px;
}

.step-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #1E50A2, #3A7BD5);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #111827;
}

.step p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

.step-connector {
  width: 2px;
  height: 32px;
  background: linear-gradient(to bottom, #1E50A2, #3A7BD5);
  margin: 12px 0;
}

/* ========================================
   For Companies
   ======================================== */
.for-companies {
  padding: 80px 0;
  background: linear-gradient(135deg, #F8FAFF 0%, #EEF2FF 100%);
}

.company-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.company-feature {
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border-left: 4px solid #1E50A2;
}

.company-feature h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1E50A2;
}

.company-feature p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: #0F2B5B;
  color: #fff;
  padding: 60px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-logo {
  font-family: 'Poppins', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 13px;
  opacity: 0.7;
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  opacity: 0.9;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-stores h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
  opacity: 0.9;
}

.store-badges-footer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.store-badge-small {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.3s;
}

.store-badge-small:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  opacity: 0.6;
}

/* ========================================
   Tablet (min-width: 640px)
   ======================================== */
@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .company-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    flex-direction: row;
    justify-content: center;
    gap: 0;
  }

  .step-connector {
    width: 48px;
    height: 2px;
    margin: 24px 0 0;
    align-self: flex-start;
    margin-top: 24px;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ========================================
   Desktop (min-width: 960px)
   ======================================== */
@media (min-width: 960px) {
  .hero {
    padding: 120px 0 80px;
  }

  .hero-logo {
    font-size: 64px;
  }

  .hero-tagline {
    font-size: 28px;
  }

  .hero-description {
    font-size: 18px;
  }

  .section-title {
    font-size: 36px;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .company-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .step-connector {
    width: 80px;
  }

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