/* ==========================================================================
   ARAS MEDIA — Design Tokens
   Palette   : Navy #0B1C33 / #142844, Brass #C79A56, Paper #F5F6F8, Ink #1B2430
   Type      : Pretendard (KR body/display) + IBM Plex Mono (channel labels)
   Signature : "채널 스트립" 모티프 — 오디오 믹서 채널처럼 섹션을 CH.01, CH.02로 표기하고
               레벨미터 형태의 바(bar)를 구분선으로 사용
   ========================================================================== */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --navy-900:#120F35;
  --navy-800:#1B1750;
  --navy-700:#2A2270;
  --accent:#9B4FE0;
  --accent-dim:#7226B8;
  --accent-2:#E14FD6;
  --grad-signal: linear-gradient(135deg, #2E1A8C 0%, #9B4FE0 55%, #E14FD6 100%);
  --paper:#F5F6F8;
  --paper-dim:#ECEEF1;
  --white:#FFFFFF;
  --ink:#1B2430;
  --muted:#5B6779;
  --border:#DFE3E8;
  --success:#3E7A5C;

  --font-kr: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  --container: 1120px;
  --radius: 2px;
  --shadow-card: 0 1px 2px rgba(11,28,51,.04), 0 8px 24px -12px rgba(11,28,51,.18);
  --ease: cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  font-family:var(--font-kr);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ margin:0; font-weight:800; letter-spacing:-.02em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

/* ---------- 채널 라벨 (시그니처 모티프) ---------- */
.ch-label{
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-transform:uppercase;
  margin-bottom:14px;
}
.ch-label::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--accent);
}

/* 레벨미터 바 구분선 */
.meter-rule{
  display:flex;
  align-items:flex-end;
  gap:3px;
  height:14px;
  margin:0 0 0 0;
}
.meter-rule span{
  width:3px;
  background:var(--border);
  animation:meter 2.6s ease-in-out infinite;
}
.meter-rule span:nth-child(1){height:40%; animation-delay:0s;}
.meter-rule span:nth-child(2){height:80%; animation-delay:.15s; background:var(--accent);}
.meter-rule span:nth-child(3){height:55%; animation-delay:.3s;}
.meter-rule span:nth-child(4){height:100%; animation-delay:.45s; background:var(--navy-700);}
.meter-rule span:nth-child(5){height:30%; animation-delay:.6s;}
.meter-rule span:nth-child(6){height:65%; animation-delay:.75s; background:var(--accent);}
.meter-rule span:nth-child(7){height:45%; animation-delay:.9s;}
@keyframes meter{
  0%,100%{ transform:scaleY(.5); opacity:.7; }
  50%{ transform:scaleY(1); opacity:1; }
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(245,246,248,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:800; font-size:19px; letter-spacing:-.01em; color:var(--navy-900);
}
.brand img{ height:32px; width:auto; }
.brand .brand-en{
  font-family:var(--font-mono); font-size:10px; font-weight:600;
  letter-spacing:.16em; color:var(--muted); display:block; margin-top:2px;
}
.main-nav{ display:flex; align-items:center; gap:36px; }
.main-nav a{
  font-size:14.5px; font-weight:600; color:var(--ink);
  padding:6px 0; position:relative;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background:var(--accent); transform:scaleX(0); transform-origin:right;
  transition:transform .25s var(--ease);
}
.main-nav a:hover::after,
.main-nav a.active::after{ transform:scaleX(1); transform-origin:left; }
.main-nav a.active{ color:var(--navy-900); }

.nav-cta{
  background:var(--navy-900); color:var(--white) !important;
  padding:10px 20px; border-radius:var(--radius); font-weight:700 !important;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{ background:var(--navy-700); }

.nav-toggle{
  display:none; background:none; border:0; width:32px; height:32px;
  flex-direction:column; justify-content:center; gap:5px;
}
.nav-toggle span{ display:block; height:2px; background:var(--navy-900); border-radius:2px; }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--navy-900);
  color:var(--white);
  overflow:hidden;
  padding:120px 0 100px;
}
.hero-bars{
  position:absolute; inset:0; display:flex; align-items:flex-end; gap:2px;
  opacity:.16; z-index:0;
}
.hero-bars span{
  flex:1; background:linear-gradient(to top, var(--accent-2), var(--accent) 45%, transparent);
  animation:heroMeter 3.4s ease-in-out infinite;
}
@keyframes heroMeter{
  0%,100%{ transform:scaleY(.25); }
  50%{ transform:scaleY(1); }
}
.hero .container{ position:relative; z-index:1; }
.hero-eyebrow{
  font-family:var(--font-mono); font-size:12.5px; font-weight:600;
  letter-spacing:.16em; color:var(--accent); text-transform:uppercase;
  margin-bottom:22px; display:flex; align-items:center; gap:12px;
}
.hero h1{
  font-size:clamp(32px,4.6vw,54px);
  line-height:1.25;
  max-width:820px;
  margin-bottom:22px;
}
.hero h1 em{ color:var(--accent); font-style:normal; }
.hero p.lead{
  font-size:17px; color:rgba(255,255,255,.72); max-width:560px;
  margin-bottom:40px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 26px; border-radius:var(--radius);
  font-weight:700; font-size:14.5px;
  border:1px solid transparent; transition:all .2s var(--ease);
}
.btn-brass{ background:var(--grad-signal); color:var(--white); }
.btn-brass:hover{ filter:brightness(1.1); transform:translateY(-1px); }
.btn-ghost{ border-color:rgba(255,255,255,.32); color:var(--white); }
.btn-ghost:hover{ background:rgba(255,255,255,.08); }
.btn-navy{ background:var(--navy-900); color:var(--white); }
.btn-navy:hover{ background:var(--navy-700); }

/* stat strip under hero */
.stat-strip{ background:var(--navy-800); border-top:1px solid rgba(255,255,255,.08); }
.stat-strip .container{
  display:grid; grid-template-columns:repeat(4,1fr);
  padding:26px 28px;
}
.stat-strip .stat{ padding:0 20px; border-left:1px solid rgba(255,255,255,.12); }
.stat-strip .stat:first-child{ border-left:0; padding-left:0; }
.stat-strip .stat b{
  display:block; font-size:26px; color:var(--white); font-weight:800; margin-bottom:4px;
}
.stat-strip .stat span{ font-size:13px; color:rgba(255,255,255,.6); }

/* trust strip under hero — qualitative, no raw counts */
.trust-strip{ background:var(--navy-800); border-top:1px solid rgba(255,255,255,.08); }
.trust-strip .container{
  display:grid; grid-template-columns:repeat(3,1fr); gap:0;
  padding:32px 28px;
}
.trust-item{
  display:flex; align-items:flex-start; gap:14px;
  padding:0 26px; border-left:1px solid rgba(255,255,255,.12);
}
.trust-item:first-child{ border-left:0; padding-left:0; }
.trust-item svg{ width:22px; height:22px; stroke:var(--accent); flex-shrink:0; margin-top:2px; }
.trust-item p{ font-size:14px; font-weight:600; line-height:1.55; color:rgba(255,255,255,.85); }

/* ---------- Sections generic ---------- */
section{ padding:96px 0; }
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(24px,3vw,34px); margin-bottom:14px; }
.section-head p{ color:var(--muted); font-size:15.5px; }
.section-alt{ background:var(--white); }

/* ---------- Category / tag pills ---------- */
.pill{
  display:inline-block; font-size:12.5px; font-weight:700;
  padding:4px 11px; border-radius:20px;
  background:var(--paper-dim); color:var(--navy-800);
  border:1px solid var(--border);
}
.pill-brass{ background:rgba(155,79,224,.12); color:var(--accent-dim); border-color:rgba(155,79,224,.32); }

/* ---------- Work cards (grid) ---------- */
.work-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:26px;
}
.work-card{
  background:var(--white); border:1px solid var(--border); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease), box-shadow .25s var(--ease);
  opacity:0; transform:translateY(16px);
}
.work-card.in{ opacity:1; transform:translateY(0); }
.work-card:hover{ transform:translateY(-4px); box-shadow:0 20px 40px -20px rgba(11,28,51,.3); }

.thumb{
  position:relative; aspect-ratio:4/3; width:100%;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  display:flex; align-items:center; justify-content:center; overflow:hidden;
}
.thumb img{ width:100%; height:100%; object-fit:cover; position:absolute; inset:0; }
.thumb .thumb-fallback{
  position:relative; z-index:1; text-align:center; color:rgba(255,255,255,.85);
}
.thumb .thumb-fallback svg{ width:34px; height:34px; margin:0 auto 10px; opacity:.85; }
.thumb .thumb-fallback span{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:.1em;
  text-transform:uppercase; color:rgba(255,255,255,.55);
}
.thumb .thumb-bars{
  position:absolute; inset:0; display:flex; align-items:flex-end; gap:3px;
  padding:0 0; opacity:.18;
}
.thumb .thumb-bars span{ flex:1; background:var(--accent); animation:meter 2.8s ease-in-out infinite; }

.work-body{ padding:22px 22px 24px; }
.work-tags{ display:flex; gap:6px; flex-wrap:wrap; margin-bottom:12px; }
.work-body h3{ font-size:17px; margin-bottom:8px; }
.work-body p{ font-size:14px; color:var(--muted); margin-bottom:14px; }
.work-spec{ font-size:13px; color:var(--navy-800); border-top:1px dashed var(--border); padding-top:12px; }
.work-spec span{ display:block; color:var(--muted); font-size:12px; margin-bottom:4px; }

/* ---------- Filter bar ---------- */
.filter-bar{
  display:flex; flex-wrap:wrap; gap:10px; align-items:center;
  padding:18px 0 34px; border-bottom:1px solid var(--border); margin-bottom:40px;
}
.filter-group{ display:flex; gap:8px; flex-wrap:wrap; }
.filter-btn{
  font-size:13.5px; font-weight:600; padding:8px 16px;
  border:1px solid var(--border); background:var(--white); color:var(--muted);
  border-radius:20px; transition:all .18s var(--ease);
}
.filter-btn:hover{ border-color:var(--accent); color:var(--navy-900); }
.filter-btn.active{ background:var(--navy-900); border-color:var(--navy-900); color:var(--white); }
.filter-divider{ width:1px; height:20px; background:var(--border); margin:0 4px; }

.empty-state{
  text-align:center; padding:70px 20px; color:var(--muted);
  border:1px dashed var(--border); border-radius:var(--radius); background:var(--white);
}
.empty-state h3{ color:var(--navy-900); margin-bottom:10px; font-size:18px; }
.empty-state p{ font-size:14px; max-width:420px; margin:0 auto 20px; }

/* ---------- Value / service blocks ---------- */
.service-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--border); border:1px solid var(--border);
}
.service-card{
  background:var(--white); padding:34px 26px; transition:background .2s var(--ease);
}
.service-card:hover{ background:var(--paper-dim); }
.service-num{ font-family:var(--font-mono); font-size:12px; color:var(--accent); font-weight:600; margin-bottom:18px; }
.service-card h3{ font-size:18px; margin-bottom:10px; }
.service-card p{ font-size:13.5px; color:var(--muted); }

/* ---------- Two column (about intro) ---------- */
.split{ display:grid; grid-template-columns:.9fr 1.1fr; gap:64px; align-items:start; }
.split h2{ font-size:clamp(24px,3vw,32px); margin-bottom:20px; }
.split p{ color:var(--muted); font-size:15.5px; margin-bottom:16px; }

.strength-list{ display:flex; flex-direction:column; gap:22px; }
.strength-item{ display:flex; gap:18px; padding-bottom:22px; border-bottom:1px solid var(--border); }
.strength-item:last-child{ border-bottom:0; padding-bottom:0; }
.strength-item .idx{ font-family:var(--font-mono); font-size:13px; color:var(--accent); font-weight:600; min-width:44px; }
.strength-item h4{ font-size:16px; margin-bottom:6px; }
.strength-item p{ font-size:14px; color:var(--muted); }

/* ---------- Process ---------- */
.process-list{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; }
.process-list::before{
  content:""; position:absolute; top:22px; left:0; right:0; height:1px; background:var(--border);
}
.process-step{ position:relative; padding-right:20px; }
.process-dot{
  width:44px; height:44px; border-radius:50%; background:var(--navy-900); color:var(--white);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-mono);
  font-size:13px; font-weight:600; margin-bottom:20px; position:relative; z-index:1;
}
.process-step h4{ font-size:15.5px; margin-bottom:8px; }
.process-step p{ font-size:13.5px; color:var(--muted); }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--navy-900); color:var(--white); text-align:center; padding:90px 0;
}
.cta-band h2{ font-size:clamp(24px,3.4vw,36px); margin-bottom:16px; }
.cta-band p{ color:rgba(255,255,255,.66); margin-bottom:36px; }
.cta-band .btn-group{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- Contact page ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.contact-card{
  background:var(--white); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px; margin-bottom:16px; display:flex; gap:18px; align-items:flex-start;
}
.contact-card .icon{
  width:44px; height:44px; border-radius:50%; background:var(--navy-900);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.contact-card .icon svg{ width:20px; height:20px; stroke:var(--accent); }
.contact-card h4{ font-size:14.5px; color:var(--muted); font-weight:600; margin-bottom:6px; text-transform:uppercase; letter-spacing:.04em; font-family:var(--font-mono); font-size:11.5px;}
.contact-card p{ font-size:17px; font-weight:700; color:var(--navy-900); }
.contact-card a.link{ font-size:14px; font-weight:600; color:var(--accent-dim); }

.map-frame{
  border:1px solid var(--border); background:var(--paper-dim); border-radius:var(--radius);
  aspect-ratio:4/3; display:flex; align-items:center; justify-content:center;
  color:var(--muted); font-size:14px; text-align:center; padding:30px;
}

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-900); color:rgba(255,255,255,.55); padding:60px 0 34px; }
.footer-top{
  display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:40px;
  padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.1); margin-bottom:28px;
}
.footer-brand{ color:var(--white); font-weight:800; font-size:18px; margin-bottom:10px; }
.footer-brand span{ display:block; font-family:var(--font-mono); font-size:10.5px; color:var(--accent); letter-spacing:.14em; margin-top:6px; font-weight:600;}
.footer-nav{ display:flex; gap:34px; flex-wrap:wrap; }
.footer-nav a{ font-size:13.5px; }
.footer-nav a:hover{ color:var(--white); }
.footer-meta{ font-size:12.5px; line-height:2; }
.footer-bottom{ font-size:12px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }

/* ---------- Placeholder / TODO callout (editorial, not shown as broken) ---------- */
.todo-note{
  background:#F6EEFC; border:1px dashed var(--accent); color:var(--accent-dim);
  font-size:13px; padding:12px 16px; border-radius:var(--radius); margin-top:14px;
}

/* ---------- Contact form (Netlify Forms) ---------- */
.contact-form{
  background:var(--white); border:1px solid var(--border); border-radius:var(--radius);
  padding:34px 30px; box-shadow:var(--shadow-card);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
.form-field{ margin-bottom:18px; }
.form-field label{
  display:block; font-size:13px; font-weight:700; color:var(--navy-800); margin-bottom:8px;
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field select,
.form-field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--border); border-radius:var(--radius);
  font-family:var(--font-kr); font-size:14.5px; color:var(--ink); background:var(--paper);
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none; border-color:var(--accent); background:var(--white);
}
.form-field textarea{ resize:vertical; min-height:120px; }
.check-grid{ display:flex; flex-wrap:wrap; gap:10px; }
.check-item{
  display:flex; align-items:center; gap:7px; font-size:13.5px; font-weight:600;
  border:1px solid var(--border); border-radius:20px; padding:8px 14px; cursor:pointer;
  transition:all .18s var(--ease); background:var(--paper);
}
.check-item:has(input:checked){ border-color:var(--accent); background:rgba(155,79,224,.08); color:var(--accent-dim); }
.check-item input{ accent-color:var(--accent); }
.consent-row{
  display:flex; align-items:flex-start; gap:10px; font-size:12.5px; color:var(--muted);
  margin:22px 0; line-height:1.6;
}
.consent-row input{ margin-top:3px; accent-color:var(--accent); }
.form-submit{
  width:100%; justify-content:center; border:0; font-size:15px; padding:15px 26px;
}
.hidden-field{ position:absolute; left:-9999px; }

.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .main-nav{
    position:fixed; inset:76px 0 0 0; background:var(--paper); flex-direction:column;
    align-items:flex-start; padding:30px 28px; gap:22px; transform:translateX(100%);
    transition:transform .3s var(--ease); overflow-y:auto;
  }
  .main-nav.open{ transform:translateX(0); }
  .nav-toggle{ display:flex; }
  .nav-cta{ margin-top:10px; }
  .stat-strip .container{ grid-template-columns:repeat(2,1fr); gap:20px 0; }
  .stat-strip .stat{ border-left:0; padding-left:0; padding-bottom:14px; }
  .trust-strip .container{ grid-template-columns:1fr; gap:20px; }
  .trust-item{ border-left:0; padding-left:0; padding-top:18px; border-top:1px solid rgba(255,255,255,.12); }
  .trust-item:first-child{ border-top:0; padding-top:0; }
  .work-grid{ grid-template-columns:repeat(2,1fr); }
  .service-grid{ grid-template-columns:repeat(2,1fr); }
  .split{ grid-template-columns:1fr; gap:40px; }
  .process-list{ grid-template-columns:repeat(2,1fr); row-gap:36px; }
  .process-list::before{ display:none; }
  .contact-grid{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  .hero{ padding:90px 0 70px; }
  section{ padding:70px 0; }
  .work-grid{ grid-template-columns:1fr; }
  .service-grid{ grid-template-columns:1fr; }
  .footer-top{ flex-direction:column; }
}