:root {
      --primary: #e60012;
      --black: #111111;
      --deep-navy: #0a0e14;
      --text-sub: #666666;
      --line: #e1e1e1;
      --bg-light: #f9f9f9;
      --transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }
    html { scroll-behavior: smooth; }
    
    body { 
      font-family: 'Pretendard', sans-serif; 
      color: var(--black); 

      letter-spacing: -0.01em; 
      overflow-x: clip; 
    }

    .inner { width: 100%; max-width: 1600px; margin: 0 auto; padding: 0 60px; position: relative; }
    .reveal { opacity: 0; transform: translateY(30px); transition: var(--transition); }
    .reveal.active { opacity: 1; transform: none; }

    section { width: 100%; padding: 140px 0;}
    section.dark-section { background-color: var(--deep-navy); color: #fff; border-bottom: none; }

    /* ==============================
        COMMON
    ============================== */
    .sec-label {  color: var(--primary); display: block; margin-bottom: 15px; letter-spacing: 2px; text-transform: uppercase; font-weight: 600;  }
    .sec-title { font-size: clamp(2.5rem, 3.5vw, 3.5rem); line-height: 1.15; letter-spacing: -1px; color: var(--black); margin-bottom: 60px; }
    .dark-section .sec-title { color: #fff; }
    
    .btn-line {
      display: inline-flex; align-items: center; gap: 12px;
      padding: 16px 42px; border: 1px solid var(--black);
      font-weight: 700; font-size: 1.05rem; color: var(--black);
      background: transparent; transition: var(--transition);
      cursor: pointer; text-decoration: none; position: relative;
    }
    .btn-line i { transition: transform 0.3s; }
    .btn-line:hover { color: var(--primary); border-color: var(--primary); }
    .btn-line:hover i { transform: translateX(5px); }
    
    .btn-line.white { border-color: rgba(255,255,255,0.4); color: #fff; }
    .btn-line.white:hover { border-color: var(--primary); color: var(--primary); }


    /* ==============================
       HERO
    ============================== */
    .hero {
      position: relative; height: 100vh; background: #050505; color: #fff;
      display: flex; flex-direction: column; justify-content: center; align-items: center;
      padding: 0; border: none;
    }
    .hero-video-mock { position: absolute; inset: 0; background: url('/britestone/img/vi1.png') center/cover; opacity: 0.4; mix-blend-mode: luminosity; }
    .hero .inner { display: flex; flex-direction: column; align-items: center; text-align: center; z-index: 2; }
    .hero h1 { font-size: 7em; font-weight: 800; line-height: 1; letter-spacing: -2px; margin-bottom: 20px; opacity: .8;}
    .hero p { font-size: 1.8em; font-weight: 300; opacity: 0.7; margin-bottom: 70px; }
    
    .search-minimal { 
      display: flex; align-items: center; justify-content: center;
      border-bottom: 1px solid rgba(255,255,255,0.6); width: 100%; max-width: 500px; 
      transition: border-color 0.3s; padding: 0;     margin: 0 auto;
    }
    .search-minimal:focus-within { border-color: var(--primary); }
    .search-minimal input { flex: 1; background: transparent; border: none; color: #fff; font-size: 1.2rem; padding: 15px 10px; outline: none; }
    .search-minimal button { 
      background: transparent; border: none; color: #fff; width: 60px; height: 50px; 
      display: flex; align-items: center; justify-content: center; cursor: pointer; transition: 0.3s;
    }
    .search-minimal button i { font-size: 1.4rem; pointer-events: none; }
    .search-minimal button:hover { color: var(--primary); }

    /* ==============================
       TRUST 
    ============================== */
    .stats { background: #fff; padding: 0; border-bottom: 1px solid var(--line); }
    .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
    .stat-card { padding: 100px 40px; border-right: 1px solid var(--line); text-align: center; transition: var(--transition); }
    .stat-card:last-child { border-right: none; }
    .stat-card .stat-icon { font-size: 2.8rem; color: #eee; margin-bottom: 10px; transition: var(--transition); }
    .stat-card .num { font-size: 5.5rem; font-weight: 700; line-height: 1; margin-bottom: 15px; color: var(--black); letter-spacing: -2px; }
    .stat-card p { font-size: 1.1rem; color: var(--text-sub); text-transform: uppercase; letter-spacing: 1px; }
    .stat-card:hover .stat-icon { color: var(--primary); transform: translateY(-5px); }

    /* ==============================
       � VENDORS
    ============================== */
    .vendor-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
    
    .vendor-box {
      position: relative; height: 260px; padding: 30px; display: flex; flex-direction: column; align-items: center; justify-content: center; 
      background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
      cursor: pointer; transition: 0.4s;
    }
    

    .vendor-box::before {
      content: ''; position: absolute; inset: -1px; border: 1px solid var(--black);
      opacity: 0; transition: 0.3s; z-index: 10; pointer-events: none;
    }
    .vendor-box:hover { z-index: 5; background: #fff; } 
    .vendor-box:hover::before { opacity: 1; }

    .v-logo-wrap { height: 55px; width: 100%; display: flex; align-items: center; justify-content: center; transition: 0.4s; }
    .v-logo-wrap img { max-height: 100%; max-width: 85%; object-fit: contain; filter: grayscale(1) opacity(0.4); transition: 0.4s; }
    

    .vendor-box p { 
      position: absolute; bottom: 35px; left: 30px; right: 50px; font-size: 1.2em; color: var(--black); 
      opacity: 0; transform: translateY(10px); transition: 0.4s; margin: 0; text-align: left; 
      font-weight: 500; line-height: 1.5; word-break: keep-all; 
    }
    

    .vendor-box .v-arrow {
      position: absolute; bottom: 35px; right: 30px; font-size: 1.6em; color: var(--primary);
      opacity: 0; transform: translateX(-10px); transition: 0.4s;
    }

    .vendor-box:hover .v-logo-wrap { transform: translateY(-15px); }
    .vendor-box:hover .v-logo-wrap img { filter: grayscale(0) opacity(1); }
    .vendor-box:hover p { opacity: 1; transform: translateY(0); }
    .vendor-box:hover .v-arrow { opacity: 1; transform: translateX(0); }

/* ==============================
    CLIENT MARQUEE
   ============================== */
.section-clients { 
  padding: 100px 0; 
  background: #fff; 
}

.marquee-title { text-align: center; margin-bottom: 60px; }
.marquee-title h3 { 
   
  font-size: 1.1rem; 
  font-weight: 800; 
  color: #ccc; 
  letter-spacing: 5px; 
  text-transform: uppercase; 
  margin-bottom: 10px; 
}
.marquee-title p { font-size: 1.6rem; font-weight: 700; color: var(--black); }

.slider-wrap { 
  overflow: hidden; 
  white-space: nowrap; 
  mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
}

.slider-track { 
  display: inline-flex; 
  align-items: center; 
  gap: 120px;         
  padding: 20px 0;
  animation: scroll 40s linear infinite; 
}

.c-logo { 
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;       
  height: 60px;       
  cursor: pointer;
}

.c-logo img { 
  max-width: 100%; 
  max-height: 100%;   
  object-fit: contain;
  filter: grayscale(1) opacity(0.4); 
  transition: var(--transition); 
}

.c-logo:hover img { 
  filter: grayscale(0) opacity(1); 
  transform: scale(1.05);    
}

@keyframes scroll { 
  0% { transform: translateX(0); } 
  100% { transform: translateX(calc(-50% - 60px)); } 
}
    /* ==============================
       CORE SERVICES
    ============================== */
	#services .sec-title{margin-bottom:0;}
    .service-pintel { padding: 0; height: 100vh; min-height: 800px; background: var(--deep-navy); border: none; }
    .service-flex { display: flex; width: 100%; height: 100%; }
    .service-visual { flex: 0 0 50%; position: relative; border-right: 1px solid rgba(255,255,255,0.05); overflow: hidden; }
    .s-img { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: var(--transition); transform: scale(1.1); filter: grayscale(0.5); }
    .s-img.is-active { opacity: 0.8; transform: scale(1); filter: grayscale(0); }
    
    .service-list { flex: 0 0 50%; padding: 0; display: flex; flex-direction: column; height: 100%; justify-content: end; }
    .service-list-header { padding: 0 10% 40px 80px; }
    .service-grid-wrap { display: flex; flex-direction: column; flex: 1; justify-content: end; max-height: 76vh; }
    
    .service-item { display: flex; flex-direction: column; justify-content: center; flex: 1; padding: 0 10% 0 80px; border-bottom: 1px solid rgba(255,255,255,0.08); position: relative; cursor: pointer; transition: 0.4s; }
    .service-item:first-of-type { border-top: 1px solid rgba(255,255,255,0.08); }
    .service-item::after { content: ''; position: absolute; left: 0; bottom: -1px; width: 0; height: 2px; background: var(--primary); transition: 0.5s cubic-bezier(0.19, 1, 0.22, 1); }
    .service-item:hover::after { width: 100%; }
    .service-item:hover { background: rgba(255,255,255,0.03); }

    .service-item .no {  color: var(--primary); font-weight: 900; margin-bottom: 5px; font-size: 1.1em; opacity:.7;}
    .service-item h3 { font-size:2em; font-weight: 700; margin-bottom: 5px; color: rgba(255,255,255,0.4); transition: 0.3s; }
    .service-item p { font-size: 1.2em; color: rgba(255,255,255,0.3); transition: 0.3s; line-height: 1.5; max-width: 500px; word-break: keep-all; }
    .service-item:hover .no{opacity:1;}
    .service-item:hover h3 { color: #fff; padding-left: 10px; }
    .service-item:hover p { color: #bbb; padding-left: 10px; }
    .service-item i.arrow { position: absolute; right: 10%; top: 50%; transform: translateY(-50%) translateX(-15px); opacity: 0; transition: 0.4s; font-size: 1.5rem; color: var(--primary); }
    .service-item:hover i.arrow { opacity: 1; transform: translateY(-50%) translateX(0); }




    .why-pintel { display: flex; gap: 80px; align-items: flex-start;  }
    .why-tit-area { flex: 0 0 42%; position: sticky; top: 180px; }
    .why-pintel .sec-title {margin-bottom:20px;}
    .why-tit-desc { color: var(--text-sub); line-height: 1.8; font-size: 1.15rem; max-width: 400px; font-weight: 400; margin-top: 20px; }

    .why-list-area { flex: 1; display: flex; flex-direction: column; gap: 40px; }
    
    .why-card-pintel { 
      position: relative; padding: 80px 60px; 
      background: #fff; border: 1px solid var(--line);
      cursor: pointer; transition: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
      overflow: hidden;
    }

    .why-card-pintel .bg-num { 
      content: var(--num); position: absolute; right: -20px; bottom: -40px; 
       font-size: 15rem; font-weight: 900; 
      color: rgba(0,0,0,0.03); 
      line-height: 1; z-index: 0; transition: 0.5s;
    }
    
    .why-card-pintel:hover { 
      transform: translateY(-10px); 
      border-color: transparent; 
      background: #000; 
      box-shadow: 0 30px 60px rgba(0,0,0,0.18); 
    }

    .why-card-pintel::after {
      content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 4px; 
      background: var(--primary); transition: 0.6s cubic-bezier(0.19, 1, 0.22, 1); z-index: 10;
    }
    .why-card-pintel:hover::after { width: 100%; }

    .why-card-pintel::before { 
      content: ''; position: absolute; inset: 0; 
      background-image: var(--bg-img); background-size: cover; background-position: center; 
      opacity: 0; transition: 0.6s; z-index: 1; 
    }

    .why-card-pintel:hover::before { opacity: 0.9; transform: scale(1.05); }
    .why-card-pintel:hover .bg-num { color: rgba(255,255,255,0.08); transform: scale(1.1); z-index: 1; }
    
    .why-card-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,14,20,0.5) 0%, rgba(10,14,20,0.4) 100%); opacity: 0; transition: 0.4s; z-index: 2; }
    .why-card-pintel:hover .why-card-overlay { opacity: 1; }

    .why-card-content { position: relative; z-index: 3; }
    
    .why-card-pintel h4 { font-size: 2.2rem; font-weight: 800; margin-bottom: 20px; color: var(--black); transition: 0.3s; }
    .why-card-pintel p { font-size: 1.15rem; color: var(--text-sub); transition: 0.3s; line-height: 1.8; word-break: keep-all; font-weight: 500; }
    .why-icon { font-size: 3rem; color: #e1e1e1; margin-bottom: 30px; display: block; transition: 0.3s; }
    
    .why-card-pintel:hover h4 { color: #fff; }
    .why-card-pintel:hover p { color: #fff; } 
    .why-card-pintel:hover .why-icon { color: var(--primary); transform: translateY(-5px); }




    .section-pintel-cta { 
        background: var(--black); 
        padding: 0; 
        border-top: 1px solid rgba(255,255,255,0.1); 
        border-bottom: 1px solid rgba(255,255,255,0.1); 
        overflow: hidden; 
    } 
    
    .cta-inner { 
        display: flex; width: 100%; 
        background: transparent; 
        position: relative; 
    }
    

    .cta-left { 
        width: 60%; 
        padding: 80px 40px 80px 0;
        border-right: 1px solid rgba(255,255,255,0.15); 
        position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; 
    }
    
    .cta-left > * { position: relative; z-index: 2; }
    
    .cta-label { color: var(--primary); letter-spacing: 2px; margin-bottom: 5px; display: block; }
    .cta-left h2 { font-size: clamp(2rem, 3vw, 2.8rem); font-weight: 700; color: #fff; letter-spacing: 1px; margin-bottom: 15px; line-height: 1.2; }
    .cta-left p { margin-bottom: 35px; color: #888; line-height: 1.6; font-size: 1.1em; }

    .cta-right { 
        width: 40%; 
        display: grid; grid-template-rows: repeat(3, 1fr); position: relative; z-index: 2; 
    }
    
    .cta-feature { 
        display: flex; align-items: center; gap: 20px; 
        padding: 0 0 0 50px; 
        border-bottom: 1px solid rgba(255,255,255,0.15); 
        position: relative; 
        transition: 0.3s;
    }
    
    .cta-feature:last-child { border-bottom: none; }
    

    .cta-feature:not(:last-child)::after {
        content: '';
        position: absolute;
        bottom: -1px; 
        left: 100%; 
        width: 50vw; 
        height: 1px;
        background: rgba(255,255,255,0.15);
    }
    
    .cta-feature i { font-size: 1.6rem; color: var(--primary); width: 30px; text-align: center; transition: 0.3s; }
    .cta-feature .f-txt .tit { font-size: 1.4em; font-weight: 700; color: #fff; display: block; margin-bottom:5px;}
    .cta-feature .f-txt .desc { font-size: 1.2em; color: #888; }
    
    .cta-left .btn-line { border-color: rgba(255,255,255,0.4); color: #fff; padding: 16px 30px; font-weight:400;}
    .cta-left .btn-line:hover { border-color: var(--primary); color: var(--primary); }

    .cta-feature:hover { background: rgba(255,255,255,0.02); }
    .cta-feature:hover i { transform: scale(1.1); }


    @media (max-width: 900px) {
        .cta-inner { flex-direction: column; }
        .cta-left { width: 100%; padding: 60px 0; border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
        .cta-right { width: 100%; }
        .cta-feature:not(:last-child)::after { display: none; }
    }


    .section-bottom-wide { display: flex; width: 100%;  }
    

    .p-box { 
      flex: 1; 

      padding: 120px 8vw 120px max(60px, calc(50vw - 740px)); 
      background: #fff; 
      border-right: 1px solid var(--line); 
    }
    
	#insights .sec-title{font-size:3em; margin-bottom: 20px; line-height:1.3;}
    .news-item { display: flex; justify-content: space-between; align-items: center; padding: 25px 0; border-bottom: 1px solid var(--line); transition: 0.3s; cursor: pointer; }
    .news-item:hover { padding-left: 10px; color: var(--primary); border-bottom-color: var(--black); }
    .news-tit { font-size: 1.3em; font-weight: 600; transition: 0.3s; color: var(--black); }
    .news-item:hover .news-tit { color: var(--primary); }
    .news-date { color: #bbb; font-size: 1em; font-weight:400;}
    

    .career-pintel-box { 
      flex: 1; position: relative; overflow: hidden; 

      padding: 120px max(60px, calc(50vw - 740px)) 120px 8vw; 
      background: url('/britestone/img/sp4.png') center / cover; 
      display: flex; flex-direction: column; justify-content: center; color: #fff; 
    }
    .career-pintel-box::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.5); z-index: 1; }
    .career-content { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; }
	.career-content .sec-title{font-size:3em; }
	.career-content p{font-size:1.2em; }


    @media (max-width: 1024px) {
      .section-bottom-wide { flex-direction: column; }
      .p-box { padding: 100px 60px; border-right: none; }
      .career-pintel-box { padding: 100px 60px; }
    }
    @media (max-width: 768px) {
      .p-box, .career-pintel-box { padding: 80px 30px; }
    }