/* ===== About Page Styles ===== */
/* Auto-extracted from src/about.html */

/* Section Standards */
    .section {
      height: 100vh;
      min-height: 750px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
      overflow: hidden;
      padding: 0;
    }

    /* 1. Mission Section */
    .about-hero {
      background: #000;
      text-align: center;
      perspective: 1000px;
    }
    .about-hero-bg {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 110%;
      background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.85)), url('../img/bg/hero-play.png');
      background-size: cover;
      background-position: center;
      z-index: 1;
      transform: scale(1.1);
      animation: slowMotion 20s infinite alternate linear;
      will-change: transform;
    }
    .about-hero-content {
      position: relative;
      z-index: 10;
      max-width: 1000px;
      margin: 0 auto;
      padding: 0 20px;
      animation: fadeInUp 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    .about-hero h1 {
      font-size: clamp(2.6rem, 4.5vw, 4.2rem);
      font-weight: 950;
      line-height: 1.2;
      margin-bottom: 30px;
      background: linear-gradient(to bottom, #fff 0%, #aaa 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -1px;
    }
    .about-hero p {
      font-size: 1.5rem;
      line-height: 1.8;
      color: rgba(255,255,255,0.9);
      font-weight: 400;
      max-width: 850px;
      margin: 0 auto;
    }

    /* 2. Scenario Section - 50/50 Split */
    .scenario-section { background: #fff; }
    .split-container { display: flex; height: 100%; width: 100%; align-items: stretch; }
    .split-visual { 
      width: 50vw;
      flex: 0 0 50vw;
      position: relative;
      overflow: hidden;
    }
    .slider-inner-about {
      display: flex;
      width: 300%;
      height: 100%;
      animation: sideSliderAbout 15s infinite ease-in-out;
    }
    .slider-img-about {
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
    }
    .split-content { 
      width: 50vw;
      flex: 0 0 50vw;
      padding: 100px 8%; 
      display: flex; 
      flex-direction: column; 
      justify-content: center; 
    }
    .split-content h2 { font-size: 2.8rem; font-weight: 800; color: #000; margin-bottom: 40px; line-height: 1.4; }
    .scenario-wish {
      font-size: 1.6rem;
      font-weight: 700;
      color: #fff;
      text-transform: uppercase;
      letter-spacing: 3px;
      margin-bottom: 20px;
      display: inline-block;
      background: linear-gradient(135deg, #0066ff, #0052CC);
      padding: 12px 36px;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0,102,255,0.3);
    }
    .scenario-item { margin-bottom: 50px; transition: 0.4s; }
    .scenario-item:hover { transform: translateX(10px); }
    .scenario-item h4 { font-size: 1.5rem; font-weight: 700; color: #0066ff; margin-bottom: 15px; }
    .scenario-item p { font-size: 1.15rem; line-height: 1.8; color: #555; }
    html.lang-en .scenario-item { margin-bottom: 32px; }
    html.lang-en .scenario-item h4 { font-size: 1.25rem; }
    html.lang-en .scenario-item p { font-size: 1rem; line-height: 1.6; }

    /* 3. Origin Section - Tech Foundation */
    .origin-section {
      background: #000;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .origin-slider {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      z-index: 1;
    }
    .slider-inner-origin {
      display: flex;
      width: 300%;
      height: 100%;
      animation: originSlider 18s infinite ease-in-out;
    }
    .slider-img-origin {
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      filter: brightness(0.3);
    }
    .origin-content { position: relative; z-index: 10; max-width: 900px; margin: 0 auto; text-align: center; }
    .origin-content h2 { font-size: clamp(2.5rem, 6vw, 3.8rem); font-weight: 900; margin-bottom: 30px; line-height: 1.2; letter-spacing: -1px; }
    .origin-content p { font-size: 1.25rem; line-height: 1.8; color: rgba(255,255,255,0.9); margin-bottom: 60px; }
    .origin-content p a { color: #fff; text-decoration: underline; text-underline-offset: 4px; transition: 0.3s; }
    .origin-content p a:hover { color: #00D4AA; }
    .asource-badge {
      display: inline-block;
      padding: 15px 40px;
      border: 1px solid rgba(255,255,255,0.3);
      border-radius: 10px;
      background: linear-gradient(45deg, rgba(0,102,255,0.2), rgba(0,212,170,0.2));
      backdrop-filter: blur(10px);
      font-weight: 700;
      font-size: 1.1rem;
      animation: float 4s ease-in-out infinite;
      cursor: pointer;
      transition: 0.3s;
    }
    .asource-badge:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
    .asource-badge a { color: #fff; text-decoration: none; }

    /* 4. Culture Section - Recruitment Focus */
    .culture-section { background: #fff; position: relative; padding: 0; }
    .culture-bg-light {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background: radial-gradient(circle at 10% 20%, rgba(0,102,255,0.03) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(0,212,170,0.03) 0%, transparent 40%);
      pointer-events: none;
    }
    .culture-intro { max-width: 800px; margin: 0 auto 30px; text-align: center; }
    .culture-intro h2 { font-size: 2.8rem; font-weight: 800; color: #000; margin-bottom: 16px; line-height: 1.3; }
    .culture-intro p { font-size: 1.15rem; color: #666; line-height: 1.8; }
    
    .culture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; z-index: 2; min-height: 0; }
    .culture-card {
      background: #fff;
      border: 1px solid #eee;
      border-radius: 20px;
      overflow: hidden;
      transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
      display: flex;
      flex-direction: column;
    }
    .culture-card:hover { transform: translateY(-12px); border-color: #0066ff; box-shadow: 0 20px 40px rgba(0,102,255,0.08); }
    
    .card-visual { height: 240px; background-size: cover; background-position: center; position: relative; }
    .card-visual::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.4)); }
    .card-tag { 
      position: absolute; top: 15px; left: 15px; 
      padding: 5px 12px; background: rgba(0,102,255,0.9); color: #fff; 
      border-radius: 50px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
      z-index: 2;
    }
    
    .card-body { padding: 28px 24px; flex-grow: 1; display: flex; flex-direction: column; justify-content: center; }
    .card-body h4 { font-size: 1.4rem; font-weight: 800; color: #000; margin-bottom: 15px; position: relative; }
    .card-body h4::after { content: ''; position: absolute; left: 0; bottom: -6px; width: 25px; height: 3px; background: #0066ff; border-radius: 2px; }
    .card-body p { color: #555; line-height: 1.6; font-size: 1.05rem; }

    @keyframes slowMotion {
      0% { transform: scale(1.1) translate(0, 0); }
      100% { transform: scale(1.2) translate(-2%, -1%); }
    }
    @keyframes sideSliderAbout {
      0%, 30% { transform: translateX(0); }
      33%, 63% { transform: translateX(-33.33%); }
      66%, 96% { transform: translateX(-66.66%); }
      100% { transform: translateX(0); }
    }
    @keyframes originSlider {
      0%, 30% { transform: translateX(0); }
      33%, 63% { transform: translateX(-33.33%); }
      66%, 96% { transform: translateX(-66.66%); }
      100% { transform: translateX(0); }
    }
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
    }

    .section-header { margin-bottom: 60px; }
    .section-header h2 { font-size: 3rem; font-weight: 800; }
    
    @media (max-width: 1024px) {
      .split-container { flex-direction: column; }
      .split-visual { width: 100%; flex: 0 0 auto; height: 50vh; }
      .culture-grid { grid-template-columns: 1fr; }
      .about-hero h1 { font-size: 2.8rem; }
    }
    @media (max-width: 768px) {
      .about-hero { height: 100vh; min-height: auto; padding-top: var(--nav-height, 80px); }
      .about-hero-bg { height: 100%; }
      .about-hero h1 { font-size: 3.6rem; }
      html.lang-en .about-hero h1 { font-size: 2.8rem; }
      .about-hero p { font-size: 1rem; }
      .split-visual { width: 100%; flex: 0 0 auto; height: 35vh; order: 2; }
      .split-content { width: 100%; flex: 0 0 auto; padding: 40px 24px; order: 1; }
      .split-container::after {
        content: '';
        display: block;
        width: 60px;
        height: 6px;
        background: #fff;
        border-radius: 3px;
        margin: 16px auto;
        order: 3;
      }
      .split-content h2 { font-size: 2.5rem; }
      html.lang-en .split-content h2 { font-size: 2rem; }
      .scenario-section { height: auto; overflow: visible; }
      .scenario-wish { font-size: 1.4rem; padding: 10px 24px; display: block; text-align: center; }
      .scenario-item { margin-bottom: 30px; }
      html.lang-en .scenario-item { margin-bottom: 30px; }
      html.lang-en .scenario-item h4 { font-size: 1.1rem; }
      html.lang-en .scenario-item p { font-size: 0.9rem; }
      .scenario-item h4 { font-size: 1.25rem; }
      .scenario-item p { font-size: 1rem; }
      .origin-section { height: auto; min-height: 100vh; }
      .origin-content { padding: 60px 24px; }
      .origin-content h2 { font-size: 2.5rem !important; }
      .origin-content p { font-size: 1rem; }
      .asource-badge { padding: 12px 24px; font-size: 0.95rem; }
      .culture-section { padding: 60px 0; height: auto; min-height: auto; overflow: visible; }
      .culture-intro h2 { font-size: 3.5rem !important; }
      .culture-card { max-width: 400px; margin: 0 auto; }
      .culture-grid { gap: 20px; }
      .card-visual { height: 180px; }
      .card-body { padding: 20px; }
      .card-body h4 { font-size: 1.2rem; }
      .card-body p { font-size: 0.95rem; }
    }
    @media (max-width: 480px) {
      .about-hero h1 { font-size: 2.5rem; letter-spacing: 0; }
      html.lang-en .about-hero h1 { font-size: 2rem; }
      .about-hero p { font-size: 1rem; }
      .split-content h2 { font-size: 1.8rem; }
      html.lang-en .split-content h2 { font-size: 1.5rem; }
      .origin-content h2 { font-size: 2rem !important; }
      .origin-content p { font-size: 0.9rem; }
      .culture-intro h2 { font-size: 2.1rem !important; }
      .card-body h4 { font-size: 1.1rem; }
      .card-body p { font-size: 0.85rem; }
    }