:root {
  --black: #0a0a0a;
  --white: #f5f5f0;
  --accent: #c8ff00;
  --accent2: #ff4d00;
  --gray: #141414;
  --gray2: #222;
  
  /* [개선] 서브 글씨 색상을 #666에서 #a0a0a0(더 밝은 은회색)으로 변경하여 가독성 확보 */
  --muted: #a0a0a0; 
  
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Noto Sans KR', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
  -webkit-font-smoothing: antialiased; /* 글자를 더 선명하게 렌더링 */
}

/* CURSOR */
.cursor {
  width: 8px; height: 8px;
  background: var(--accent); border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 99999;
  mix-blend-mode: difference;
}
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid rgba(200,255,0,0.5); border-radius: 50%;
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 99998;
  transition: width 0.2s, height 0.2s;
  mix-blend-mode: difference;
}



/* HERO */
.hero {
  min-height: 100vh;
  display: flex; 
  flex-direction: column; 
  justify-content: flex-end;
  
  /* 1. 상단 내비게이션 바(약 80px~90px) 높이만큼 확실하게 여백을 주어 글자 잘림 방지 */
  padding: 120px 48px 100px; 
  
  position: relative; 
  overflow: hidden;
}
.hero-noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; opacity: 0.6;
}
.hero-bg-text {
  position: absolute; 
    top: 55%; /* 50% -> 55%로 살짝 내려 거대 타이틀과 싱크를 맞춤 */
    left: -10px;
    transform: translateY(-50%);
    font-family: var(--font-display);
    font-size: clamp(200px, 24vw, 380px);
    color: transparent;
    -webkit-text-stroke: 1px rgba(255,255,255,0.035);
    pointer-events: none; 
    user-select: none;
    letter-spacing: -10px; 
    line-height: 1;
}
.hero-q {
  font-family: var(--font-body); /* 한글 가독성을 위해 디스플레이용에서 바디용으로 수정 */
  font-weight: 500;
  font-size: clamp(20px, 2.5vw, 32px); /* 더 시원하게 확대 */
  letter-spacing: 2px;
  color: #b5b5b5; /* 서브 타이틀 컬러 명도 업 */
  opacity: 0;
  animation: fadeUp 0.7s ease 0.2s forwards;
}
.hero-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(72px, 12vw, 180px);
  line-height: 1.15; /* [개선] 한글 자모음 겹침 현상 완벽 해결 */
  letter-spacing: -3px;
  color: var(--white);
  opacity: 0; animation: fadeUp 0.9s ease 0.38s forwards;
  position: relative;
}
.line-where {
  display: block; color: var(--white);

}
.line-odd {
  display: block; color: var(--accent);
}
.line-odd::after {
  content: '';
  position: absolute; bottom: -16px; left: 0;
  width: 100%; height: 6px;
  background: var(--accent2);
  transform: scaleX(0); transform-origin: left;
  animation: lineIn 0.65s cubic-bezier(.22,1,.36,1) 1.15s forwards;
}
.dot-acc { color: var(--accent2); }

/* HERO BOTTOM & DESCRIPTION */
.hero-bottom {
  display: flex; align-items: flex-end;
  justify-content: space-between;
  margin-top: 60px;
  opacity: 0; animation: fadeUp 0.8s ease 0.62s forwards;
}
.hero-desc {
  font-size: 20px; font-weight: 300; /* 15px -> 17px */
  line-height: 1.5; color: #9d9d9d; max-width: 700px;
}
.hero-desc strong { 
  color: var(--white); font-weight: 700; 
  font-size: 20px; display: block; margin-bottom: 6px;
}
.hero-oh {
  display: table; /* 아랫줄로 튕겨내어 레이아웃 틀 유지 */
  margin-top: 24px;
  font-size: 13px; font-weight: 700;
  letter-spacing: 2px; color: var(--black);
  background: var(--accent);
  padding: 10px 22px; border-radius: 2px;
}
.hero-scroll {
  display: flex; flex-direction: column;
  align-items: center; gap: 10px;
  font-size: 11px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--muted);
}
.hero-scroll-bar {
  width: 1px; height: 64px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  animation: pulse 2s ease-in-out infinite;
}

/* MARQUEE */
.marquee-wrap {
  overflow: hidden; padding: 20px 0;
  background: var(--gray);
  border-top: 1px solid var(--gray2); border-bottom: 1px solid var(--gray2);
}
.marquee-track {
  display: flex; gap: 0;
  animation: marquee 20s linear infinite; width: max-content;
}
.marquee-item {
  font-family: var(--font-display); font-size: 18px; /* 13px -> 16px */
  letter-spacing: 5px; color:#e3e3e3;
  padding: 0 48px; white-space: nowrap; text-transform: uppercase;
}
.marquee-item span { color: var(--accent); margin-right: 10px; }

/* SERVICES */
.services { padding: 140px 48px; }
.s-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  border-bottom: 1px solid var(--gray2); padding-bottom: 28px;
}
.s-label {
  font-size: 12px; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent);
}
.s-title {
  font-family: var(--font-display);
  font-size: clamp(54px, 8vw, 106px); /* 좀 더 크고 웅장하게 고침 */
  line-height: 1; letter-spacing: -1px; color: var(--white); margin-top: 12px;
}
.s-count {
  font-family: var(--font-display); font-size: 100px;
  color: transparent; -webkit-text-stroke: 1px var(--gray2);
  line-height: 1; user-select: none;
}
.svc-list { display: flex; flex-direction: column; }
.svc-item {
  display: grid; grid-template-columns: 64px 1fr auto 40px;
  align-items: center; gap: 28px;
  padding: 44px 0; border-bottom: 1px solid var(--gray2);
  text-decoration: none; color: inherit;
  position: relative; overflow: hidden;
  transition: padding-left 0.3s ease; cursor: none;
}
.svc-item::before {
  content: ''; position: absolute;
  left: 0; top: 0; bottom: 0; width: 0;
  background: var(--gray); transition: width 0.35s ease; z-index: 0;
}
.svc-item:hover::before { width: 100%; }
.svc-item:hover { padding-left: 24px; }
.svc-item > * { position: relative; z-index: 1; }
.svc-num {
  font-family: var(--font-display); font-size: 20px;
  color: var(--muted); letter-spacing: 1px; transition: color 0.2s;
}
.svc-item:hover .svc-num { color: var(--accent); }
.svc-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(24px, 3.5vw, 42px); /* 너무 비대했던 서브 타이틀 크기 최적화 및 굵기 업 */
  letter-spacing: 0px; color: var(--white); line-height: 1.2; transition: color 0.2s;
}
.svc-item:hover .svc-name { color: var(--accent); }
.svc-sub { font-size: 18px; color: #b5b5b5; margin-top: 8px; font-weight: 400; line-height: 1.6; } /* 12px -> 15px */
.svc-badge {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; padding: 8px 16px; border-radius: 2px;
  white-space: nowrap; align-self: center;
}
.svc-badge.premium { background: var(--accent2); color: #fff; }
.svc-badge.free    { background: var(--accent); color: var(--black); }
.svc-badge.contact { border: 1px solid var(--gray2); color: var(--muted); }
.svc-arrow {
  font-size: 32px; color: var(--muted);
  transition: transform 0.3s, color 0.2s;
}
.svc-item:hover .svc-arrow { transform: translate(5px,-5px); color: var(--accent); }

/* WHY ODD */
.why {
  padding: 140px 48px;
  background: var(--gray); position: relative; overflow: hidden;
}
.why::after {
  content: 'ODD';
  position: absolute; right: -30px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display); font-size: 300px;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,0.03);
  pointer-events: none; user-select: none; line-height: 1;
}
.why-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: start; }
.why-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 68px); line-height: 1.25; color: var(--white); margin-top: 16px;
}
.why-title .acc { color: var(--accent); }
.why-desc { font-size: 22px; line-height: 1.5; color: var(--muted); margin-top: 23px; font-weight: 400; } /* 14px -> 16px */
.why-points { display: flex; flex-direction: column;}
.why-point {
  display: grid; grid-template-columns: 40px 1fr;
  gap: 24px; align-items: flex-start;
  padding: 32px 0; border-top: 1px solid var(--gray2);
}
.why-point:last-child { border-bottom: 1px solid var(--gray2); }
.why-num { font-family: var(--font-display); font-size: 22px; color: var(--accent); padding-top: 2px; }
.why-h { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 8px; } /* 15px -> 18px */
.why-p { font-size: 18px; color: var(--muted); line-height: 1.8; font-weight: 400; } /* 13px -> 15px */

/* PROCESS */
.process { padding: 140px 48px; }
.proc-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--gray2); margin-top: 60px;
}
.proc-step {
  padding: 48px 36px; border-right: 1px solid var(--gray2);
  position: relative; transition: background 0.3s;
}
.proc-step:last-child { border-right: none; }
.proc-step:hover { background: var(--gray); }
.proc-n {
  font-family: var(--font-display); font-size: 64px;
  color: transparent; -webkit-text-stroke: 1px var(--gray2);
  line-height: 1; margin-bottom: 24px;
  transition: -webkit-text-stroke-color 0.3s;
}
.proc-step:hover .proc-n { -webkit-text-stroke-color: var(--accent); }
.proc-step h4 { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 12px; } /* 14px -> 16px */
.proc-step p { font-size: 18px; color: var(--muted); line-height: 1.8; font-weight: 400; } /* 12px -> 14px */
.proc-arr { position: absolute; right: 18px; top: 48px; font-size: 20px; color: var(--gray2); }

/* CTA BAND */
.cta-band {
  margin: 0 48px; background: var(--accent);
  padding: 80px 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: '어디야?';
  position: absolute; right: -10px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display); font-size: 140px;
  color: rgba(0,0,0,0.07); pointer-events: none; line-height: 1;
  white-space: nowrap;
}
.cta-band h3 {
  font-family: var(--font-body); font-weight: 700;
  font-size: clamp(36px, 4.5vw, 56px); color: var(--black); line-height: 1.2;
}
.cta-band h3 em { color: var(--accent2); font-style: normal; }
.cta-band p { font-size: 18px; color: rgba(0,0,0,0.65); margin-top: 12px; font-weight: 500; } /* 13px -> 15px */
.btn-cta {
  flex-shrink: 0;
  display: inline-block; background: var(--black); color: var(--accent);
  font-size: 14px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  padding: 20px 42px; border-radius: 2px;
  text-decoration: none; transition: opacity 0.2s; white-space: nowrap; cursor: none;
}
.btn-cta:hover { opacity: 0.85; }

/* FOOTER */
footer {
  padding: 80px 48px 40px; border-top: 1px solid var(--gray2);
  display: grid; grid-template-columns: 1fr auto;
  align-items: end; gap: 40px; margin-top: 100px;
}
.f-brand { font-family: var(--font-display); font-size: 42px; letter-spacing: 6px; color: var(--white); }
.f-brand span { color: var(--accent); }
.f-tagline { font-family: var(--font-body); font-weight: 500; font-size: 18px; color: var(--muted); margin-top: 8px; letter-spacing: 1px; }
.f-tagline em { color: var(--accent); font-style: normal; }
.f-desc { font-size: 14px; color: var(--muted); margin-top: 14px; line-height: 1.8; font-weight: 400; }
.f-right { text-align: right; font-size: 13px; color: var(--muted); line-height: 1.8; font-weight: 400; }

/* KAKAO FLOAT */
#kakao-float { position: fixed; bottom: 28px; right: 28px; z-index: 9999; text-decoration: none; cursor: none; }
.kk-inner {
  display: flex; align-items: center; gap: 10px;
  background: #FAE100; color: #3C1E1E;
  padding: 14px 24px 14px 18px; border-radius: 50px;
  box-shadow: 0 4px 24px rgba(250,225,0,0.38), 0 2px 8px rgba(0,0,0,0.18);
  font-size: 14px; font-weight: 700;
  position: relative; z-index: 2; white-space: nowrap;
  transition: transform 0.22s cubic-bezier(.34,1.56,.64,1), box-shadow 0.22s ease;
}
#kakao-float:hover .kk-inner { transform: translateY(-3px) scale(1.04); box-shadow: 0 8px 32px rgba(250,225,0,0.5); }
.kk-pulse {
  position: absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:100%; height:100%; border-radius:50px;
  background:#FAE100; opacity:0; z-index:1;
  animation: kkPulse 2.4s ease-out infinite;
}

/* REVEAL */
.reveal { opacity:0; transform:translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity:1; transform:none; }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(32px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes lineIn { to { transform:scaleX(1); } }
@keyframes marquee { from { transform:translateX(0); } to { transform:translateX(-50%); } }
@keyframes pulse { 0%,100%{opacity:0.4;} 50%{opacity:1;} }
@keyframes kkPulse {
  0%   { opacity:0.5; transform:translate(-50%,-50%) scale(1); }
  70%  { opacity:0;   transform:translate(-50%,-50%) scale(1.32); }
  100% { opacity:0;   transform:translate(-50%,-50%) scale(1.32); }
}

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

  .hero { padding: 80px 20px 64px; min-height: 100vh; }
  .hero-q { font-size: 18px; }
  .services, .why, .process { padding: 80px 20px; }
  .s-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .s-count { display: none; }
  .svc-item { grid-template-columns: 40px 1fr 28px; }
  .svc-badge { display: none; }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .proc-grid { grid-template-columns: 1fr 1fr; }
  .proc-step { border-bottom: 1px solid var(--gray2); padding: 32px 20px; }
  .cta-band { margin: 0 20px; flex-direction: column; padding: 48px 28px; text-align: center; }
  footer { grid-template-columns: 1fr; gap: 20px; padding: 48px 20px 32px; }
  .f-right { text-align: left; }
  #kakao-float { bottom: 20px; right: 16px; }

}