/* ===================================
   Minecraft Day - Official Website
   =================================== */

/* CSS Variables */
:root {
  --mc-green: #5D8C3E;
  --mc-dark-green: #3E5C29;
  --mc-brown: #8B5A2B;
  --mc-dark-brown: #5C3A1D;
  --mc-stone: #7F7F7F;
  --mc-dark-stone: #4A4A4A;
  --mc-sky: #87CEEB;
  --mc-dirt: #966F33;
  --mc-text: #3D3D3D;
  --mc-light: #F5F5F5;
  --mc-white: #FFFFFF;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Meiryo', sans-serif;
  line-height: 1.8;
  color: var(--mc-text);
  background-color: var(--mc-light);
}

a {
  color: var(--mc-green);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--mc-dark-green);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background: linear-gradient(135deg, var(--mc-green) 0%, var(--mc-dark-green) 100%);
  color: var(--mc-white);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--mc-brown);
  border: 3px solid var(--mc-dark-brown);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--mc-white);
}

.logo-text:hover {
  color: var(--mc-white);
}

/* Navigation */
.nav {
  display: flex;
  gap: 0.5rem;
}

.nav-link {
  color: var(--mc-white);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--mc-white);
}

.nav-link.active {
  background-color: rgba(255, 255, 255, 0.3);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--mc-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--mc-dark-green);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
  }

  .nav.active {
    display: flex;
  }

  .nav-link {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
              url('../images/hero-bg.jpg') center center / cover no-repeat;
  padding: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to right, var(--mc-green) 0%, var(--mc-dark-green) 50%, var(--mc-green) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-bottom: 2rem;
}

.hero h1 {
  font-size: 3rem;
  color: var(--mc-white);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--mc-white);
  max-width: 600px;
  margin: 0 auto 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero .btn-primary {
  background: var(--mc-white);
  color: var(--mc-dark-green);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.2);
}

.hero .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  color: var(--mc-dark-green);
}

.hero .btn-outline {
  background: transparent;
  color: var(--mc-white);
  border: 2px solid var(--mc-white);
}

.hero .btn-outline:hover {
  background: var(--mc-white);
  color: var(--mc-dark-green);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--mc-green);
  color: var(--mc-white);
  box-shadow: 0 4px 0 var(--mc-dark-green);
}

.btn-primary:hover {
  background: var(--mc-dark-green);
  color: var(--mc-white);
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--mc-dark-green);
}

.btn-secondary {
  background: var(--mc-brown);
  color: var(--mc-white);
  box-shadow: 0 4px 0 var(--mc-dark-brown);
}

.btn-secondary:hover {
  background: var(--mc-dark-brown);
  color: var(--mc-white);
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--mc-dark-brown);
}

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

.btn-outline:hover {
  background: var(--mc-green);
  color: var(--mc-white);
}

.btn-discord {
  background: #5865F2;
  color: var(--mc-white);
  box-shadow: 0 4px 0 #4752C4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-discord:hover {
  background: #4752C4;
  color: var(--mc-white);
  transform: translateY(2px);
  box-shadow: 0 2px 0 #4752C4;
}

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

.section-alt {
  background: var(--mc-white);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--mc-dark-green);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--mc-green);
  margin: 1rem auto 0;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--mc-white);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 4px solid var(--mc-green);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.card h3 {
  color: var(--mc-dark-green);
}

/* Features */
.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--mc-green);
  font-weight: bold;
}

/* Table */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background: var(--mc-green);
  color: var(--mc-white);
}

tr:hover {
  background: rgba(93, 140, 62, 0.05);
}

/* Form Embed */
.form-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--mc-white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-container iframe {
  width: 100%;
  border: none;
  min-height: 600px;
}

/* Alert Box */
.alert {
  padding: 1rem 1.5rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.alert-info {
  background: #E3F2FD;
  border-left: 4px solid #2196F3;
  color: #1565C0;
}

.alert-warning {
  background: #FFF3E0;
  border-left: 4px solid #FF9800;
  color: #E65100;
}

.alert-success {
  background: #E8F5E9;
  border-left: 4px solid #4CAF50;
  color: #2E7D32;
}

/* Footer */
.footer {
  background: var(--mc-dark-stone);
  color: var(--mc-white);
  padding: 3rem 0 1.5rem;
}

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

.footer h4 {
  color: var(--mc-white);
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover {
  color: var(--mc-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 1rem;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--mc-green) 0%, var(--mc-dark-green) 100%);
  color: var(--mc-white);
  padding: 3rem 0;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  opacity: 0.9;
  margin-bottom: 0;
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--mc-stone);
}

.breadcrumb span {
  color: var(--mc-text);
}

/* Content */
.content {
  max-width: 800px;
  margin: 0 auto;
}

.content h2 {
  color: var(--mc-dark-green);
  margin-top: 2.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--mc-green);
}

.content h3 {
  color: var(--mc-green);
  margin-top: 2rem;
}

.content ul, .content ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

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

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--mc-green);
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--mc-white);
  border: 4px solid var(--mc-green);
  border-radius: 50%;
  transform: translateX(-6px);
}

.timeline-date {
  font-weight: 600;
  color: var(--mc-green);
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* Discord Section */
.discord-section {
  background: linear-gradient(135deg, #5865F2 0%, #4752C4 100%);
}

.discord-section .section-title {
  color: var(--mc-white);
}

.discord-section .section-title::after {
  background: rgba(255, 255, 255, 0.5);
}

.discord-card {
  background: var(--mc-white);
  border-radius: 16px;
  padding: 3rem;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.discord-icon {
  width: 80px;
  height: 80px;
  background: #5865F2;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.discord-icon svg {
  width: 48px;
  height: 48px;
  color: var(--mc-white);
}

.discord-card h3 {
  color: #5865F2;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.discord-card p {
  color: var(--mc-text);
  margin-bottom: 1.5rem;
}

/* Calendar Container */
.calendar-container {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

/* Hero Buttons */
.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }

  .logo-text {
    font-size: 1rem;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    padding: 0 0.5rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  .section {
    padding: 2.5rem 0;
  }

  .card {
    padding: 1.5rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .calendar-container iframe {
    height: 350px;
  }

  .discord-card {
    padding: 1.5rem;
    margin: 0 0.5rem;
  }

  .discord-card h3 {
    font-size: 1.25rem;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .logo-text {
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.875rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .card h3 {
    font-size: 1.1rem;
  }

  .card h3 span {
    display: block;
    margin-left: 0 !important;
    margin-top: 0.25rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
  }

  .calendar-container iframe {
    height: 300px;
  }

  .table-responsive {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.75rem 0.5rem;
  }

  .page-header {
    padding: 2rem 0;
  }

  .page-header h1 {
    font-size: 1.5rem;
  }
}