/* ===================================
   LiKO RISE - Design System
   =================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Zen+Maru+Gothic:wght@300;400;500;700;900&display=swap');

/* ===================================
   CSS Variables
   =================================== */
:root {
  /* Colors - Inspired by LiKO RISE brand materials */
  --primary-peach: #FFB5A7;
  --primary-salmon: #FFA07A;
  --primary-coral: #FF9B8E;
  --secondary-mint: #A8D8EA;
  --secondary-sky: #8EC5D6;
  --accent-gold: #D4AF37;
  --accent-gold-light: #E8C968;
  --neutral-cream: #FFF8F0;
  --neutral-beige: #F5EBE0;
  --neutral-white: #FFFFFF;
  --neutral-gray: #E5E5E5;
  --neutral-dark: #333333;
  --text-primary: #2C2C2C;
  --text-secondary: #666666;
  --text-light: #999999;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #FFB5A7 0%, #FFA07A 50%, #A8D8EA 100%);
  --gradient-section: linear-gradient(180deg, #FFF8F0 0%, #FFFFFF 100%);
  --gradient-card: linear-gradient(135deg, #FFFFFF 0%, #FFF8F0 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0) 100%);

  /* Typography */
  --font-primary: 'Noto Sans JP', sans-serif;
  --font-secondary: 'Zen Maru Gothic', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  line-height: 1.7;
  background-color: var(--neutral-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--transition-base);
}

/* ===================================
   Typography
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-sm);
}

/* ===================================
   Layout Components
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-hero);
  border-radius: var(--radius-full);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-link {
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
}

.nav-link:hover {
  background: var(--neutral-cream);
  color: var(--primary-salmon);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 24px;
  height: 3px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="lotus" x="0" y="0" width="200" height="200" patternUnits="userSpaceOnUse"><path d="M100,150 Q80,120 100,100 Q120,120 100,150 M100,100 Q80,80 100,60 Q120,80 100,100" fill="rgba(255,255,255,0.05)" /></pattern></defs><rect width="1200" height="800" fill="url(%23lotus)" /></svg>') center/cover;
  opacity: 0.3;
}

.hero-content {
  text-align: center;
  color: var(--neutral-white);
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease;
}

.hero-logo {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--spacing-md);
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-xl);
  animation: float 3s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  opacity: 0.95;
}

.hero-tagline {
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.hero-cta {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--neutral-white);
  color: var(--primary-salmon);
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
}

.hero-cta:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ===================================
   Cards
   =================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.card {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-hero);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.lesson-header {
  color: white;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lesson-header h3 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.3;
}

/* ===================================
   Mission & Vision
   =================================== */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.mission-item {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--neutral-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.mission-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.mission-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-hero);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.mission-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

/* ===================================
   Timeline
   =================================== */
.timeline {
  position: relative;
  max-width: 900px;
  margin: var(--spacing-lg) auto;
  padding: var(--spacing-md) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-hero);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content {
  flex: 1;
  padding: var(--spacing-md);
  background: var(--neutral-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 0 var(--spacing-md);
}

.timeline-marker {
  width: 24px;
  height: 24px;
  background: var(--accent-gold);
  border: 4px solid var(--neutral-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

/* ===================================
   Contact Section
   =================================== */
.contact-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.contact-info {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in-delay-1 {
  animation-delay: 0.1s;
}

.fade-in-delay-2 {
  animation-delay: 0.2s;
}

.fade-in-delay-3 {
  animation-delay: 0.3s;
}

.fade-in-delay-4 {
  animation-delay: 0.4s;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--neutral-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-base);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    /* Ensure clickable when active */
  }

  .nav-toggle {
    display: flex;
    /* Ensure it's visible on mobile */
    z-index: 1001;
    /* Ensure above menu */
    cursor: pointer;
  }

  /* Hamburger Animation */
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }

  /* Reset timeline positions for mobile */
  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
  }

  .timeline-marker {
    left: 20px;
  }

  .timeline-content {
    margin-left: 60px;
    margin-right: 0;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

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

@media (max-width: 480px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

/* ===================================
   Organization Chart
   =================================== */
.org-tree {
  display: block;
  padding: 20px;
}

.org-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

/* Common Node Style */
.org-node {
  padding: 12px 20px;
  border-radius: 4px;
  background: white;
  border: 1px solid #ccc;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  text-align: center;
  position: relative;
  z-index: 2;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
}

/* Colors */
.org-ceo {
  background: var(--primary-salmon);
  color: white;
  font-weight: bold;
  font-size: 1.1rem;
  width: 200px;
}

.org-coo {
  background: var(--primary-peach);
  color: white;
  font-weight: bold;
  width: 180px;
}

.org-dept {
  background: var(--secondary-mint);
  color: white;
  font-weight: 600;
  min-width: 140px;
}

.org-sub-node {
  font-size: 0.85rem;
  background: white;
  border: 1px solid #ccc;
  min-width: 100px;
}

/* CEO and COO rows are centered by flex layout */

/* External positioning */
.area-external {
  position: absolute;
  right: 0;
  top: 90px;
  /* Adjust based on actual layout */
  background: white;
  border: 1px solid #ccc;
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  color: #333;
  z-index: 2;
}

/* Main departments are positioned in horizontal flex row */

.area-admin-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  padding: 15px;
  border: 2px solid #ddd;
  border-radius: 8px;
  background: #fafafa;
  position: relative;
  z-index: 2;
}

/* Admin header styled by org-dept class */

.admin-subs {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* Instructors positioned in horizontal flex row */

/* Members */
.area-members {
  width: auto;
  min-width: 200px;
  background: var(--neutral-cream);
  border: 2px solid var(--primary-peach);
  padding: 15px;
  border-radius: 8px;
  z-index: 2;
  margin-top: 10px;
}

/* === SVG LINES CONTAINER === */
#org-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Responsive */
@media (max-width: 768px) {

  /* Allow horizontal scroll on mobile instead of stacking */
  .org-tree {
    padding: 10px;
    width: 900px;
    /* Force minimum width to keep structure */
  }

  /* Keep external positioned relative to the tree, not the screen */
  .area-external {
    right: 20px;
    top: 90px;
  }

  /* Text wrapping improvements */
  .org-node {
    word-break: auto-phrase;
    /* for Chrome 119+ / Japanese */
    overflow-wrap: break-word;
    /* standard fallback */
    white-space: normal;
    text-align: center;
    line-height: 1.4;
    padding: 8px 10px;
  }

  /* Reduce font size slightly for better fit */
  .org-ceo {
    font-size: 1rem;
    width: 180px;
  }

  .org-coo {
    width: 160px;
  }

  .org-dept {
    min-width: 120px;
    font-size: 0.9rem;
  }

  .org-sub-node {
    min-width: 80px;
    font-size: 0.8rem;
  }
}

/* ===================================
   Image Modal
   =================================== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s;
}

.modal-content {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 800px;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
  animation: zoomIn 0.3s;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
  cursor: pointer;
  z-index: 2001;
}

.modal-close:hover,
.modal-close:focus {
  color: var(--primary-salmon);
  text-decoration: none;
  cursor: pointer;
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0
  }

  to {
    transform: scale(1);
    opacity: 1
  }
}

@media only screen and (max-width: 700px) {
  .modal-content {
    width: 95%;
  }
}