/* ============================================================
   Renavant Inc. — Corporate Website
   ============================================================ */
:root{
  --ink:#0b1a33;
  --ink-soft:#3b4a63;
  --navy:#0e2247;
  --navy-deep:#081630;
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --line:#e4e9f2;
  --accent:#2f6bff;
  --accent-deep:#12306b;
  --gold:#c9a24b;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,26,51,.08);
  --shadow-lg:0 24px 60px rgba(11,26,51,.16);
  --font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans KR","Noto Sans JP","Noto Sans SC","Noto Sans Arabic","Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{width:min(1180px,92%);margin-inline:auto}

/* ---------- Topbar ---------- */
.topbar{
  position:fixed;inset-inline:0;top:0;z-index:100;
  background:rgba(8,22,48,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s;
}
.topbar.scrolled{background:rgba(8,22,48,.92)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:.14em;font-size:17px}
.brand .mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#6ea8ff);display:grid;place-items:center;color:#fff;font-weight:900;font-size:16px;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:rgba(255,255,255,.82);font-size:14.5px;font-weight:600;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:#fff}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang-select{
  appearance:none;-webkit-appearance:none;
  background:rgba(255,255,255,.1) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23fff' fill='none' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 10px center;
  border:1px solid rgba(255,255,255,.25);color:#fff;
  padding:7px 28px 7px 12px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;font-family:var(--font);
}
[dir="rtl"] .lang-select{background-position:left 10px center;padding:7px 12px 7px 28px}
.lang-select option{color:#111}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:6px}
.menu-btn span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  background:linear-gradient(115deg,rgba(8,22,48,.92) 0%,rgba(8,22,48,.72) 45%,rgba(8,22,48,.35) 100%),url("../img/hero.jpg") center/cover no-repeat;
  color:#fff;padding:140px 0 100px;
}
.hero .container{position:relative}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.35);border-radius:999px;
  padding:7px 16px;font-size:13px;font-weight:600;letter-spacing:.06em;
  background:rgba(255,255,255,.08);margin-bottom:26px;
}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}
.hero h1{font-size:clamp(34px,5.2vw,62px);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-bottom:22px;white-space:pre-line}
.hero .sub{max-width:640px;font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.85);margin-bottom:38px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:10px;font-weight:700;font-size:15px;
  transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;border:0;font-family:var(--font);
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(47,107,255,.35)}
.btn-primary:hover{background:#1f57e6}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section.soft{background:var(--bg-soft)}
.eyebrow{
  display:block;font-size:13px;font-weight:800;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);margin-bottom:14px;
}
.sec-title{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:-.02em;line-height:1.25;margin-bottom:16px}
.sec-sub{color:var(--ink-soft);font-size:16.5px;max-width:640px}

/* about */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-grid p{color:var(--ink-soft);font-size:16px;margin-bottom:16px}
.about-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.about-img img{aspect-ratio:4/3;object-fit:cover;width:100%}

/* stats */
.stats{background:var(--navy-deep);color:#fff;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat b{display:block;font-size:clamp(30px,3.6vw,46px);font-weight:800;letter-spacing:-.02em;color:#fff}
.stat span{color:rgba(255,255,255,.65);font-size:14px;font-weight:600;letter-spacing:.05em}

/* business cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:26px;margin-top:52px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card .thumb{aspect-ratio:16/10;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:19px;font-weight:800;margin-bottom:10px;letter-spacing:-.01em}
.card p{color:var(--ink-soft);font-size:14.5px;flex:1}
.card .more{margin-top:18px;font-weight:700;font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.card .more::after{content:"→";transition:transform .2s}
[dir="rtl"] .card .more::after{content:"←"}
.card:hover .more::after{transform:translateX(4px)}
[dir="rtl"] .card:hover .more::after{transform:translateX(-4px)}

/* why */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:52px}
.why-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;box-shadow:var(--shadow);
}
.why-item .num{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#6ea8ff);color:#fff;
  font-weight:800;font-size:18px;margin-bottom:20px;
}
.why-item h3{font-size:18px;font-weight:800;margin-bottom:10px}
.why-item p{color:var(--ink-soft);font-size:14.5px}

/* cta band */
.cta-band{
  position:relative;color:#fff;text-align:center;padding:110px 0;
  background:linear-gradient(rgba(8,22,48,.88),rgba(8,22,48,.88)),url("../img/cta.jpg") center/cover no-repeat;
}
.cta-band h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;margin-bottom:14px;letter-spacing:-.02em}
.cta-band p{color:rgba(255,255,255,.8);max-width:560px;margin:0 auto 34px;font-size:16px}

/* contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin-top:48px}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);
}
.contact-card .ic{font-size:22px;margin-bottom:14px}
.contact-card h3{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:8px}
.contact-card p,.contact-card a{font-size:15.5px;font-weight:600;color:var(--ink);word-break:break-word}
.contact-card a:hover{color:var(--accent)}

/* ---------- Page hero (subpages) ---------- */
.page-hero{
  position:relative;color:#fff;padding:170px 0 90px;
  background:linear-gradient(115deg,rgba(8,22,48,.93),rgba(8,22,48,.6)),var(--ph-img,url("../img/cta.jpg")) center/cover no-repeat;
}
.crumb{font-size:13.5px;color:rgba(255,255,255,.65);margin-bottom:18px;display:flex;gap:8px;align-items:center}
.crumb a:hover{color:#fff}
.page-hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.page-hero .sub{max-width:620px;color:rgba(255,255,255,.85);font-size:16.5px}

.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:24px;margin-top:52px}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;
}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.svc .tag{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--gold);margin-bottom:14px;display:block}
.svc h3{font-size:17.5px;font-weight:800;margin-bottom:10px}
.svc p{color:var(--ink-soft);font-size:14.5px}

/* ---------- Legal ---------- */
.legal-body{padding:150px 0 90px;max-width:820px;margin-inline:auto;width:92%}
.legal-body h1{font-size:clamp(26px,3.4vw,38px);font-weight:800;margin-bottom:12px;letter-spacing:-.02em}
.legal-note{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-size:13.5px;color:var(--ink-soft);margin-bottom:38px}
.legal-body h2{font-size:19px;font-weight:800;margin:38px 0 12px}
.legal-body p,.legal-body li{font-size:15px;color:var(--ink-soft);margin-bottom:10px}
.legal-body ul{padding-inline-start:20px;list-style:disc}
.legal-body table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
.legal-body th,.legal-body td{border:1px solid var(--line);padding:10px 12px;text-align:start;color:var(--ink-soft)}
.legal-body th{background:var(--bg-soft);color:var(--ink);font-weight:700}
.lang-ko,.lang-en{display:none}
.show-ko .lang-ko{display:block}
.show-en .lang-en{display:block}

/* ---------- Footer ---------- */
footer{background:var(--navy-deep);color:rgba(255,255,255,.72);padding:64px 0 40px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;margin-bottom:40px}
.foot-brand{color:#fff;font-weight:800;letter-spacing:.14em;font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.foot-brand .mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--accent),#6ea8ff);display:grid;place-items:center;font-size:14px;letter-spacing:0}
.foot-desc{max-width:420px;color:rgba(255,255,255,.6);margin-bottom:20px}
.foot-info li{margin-bottom:7px;line-height:1.55}
.foot-info b{color:rgba(255,255,255,.9);font-weight:700}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:26px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.foot-legal{display:flex;gap:22px}
.foot-legal a{color:rgba(255,255,255,.8);font-weight:700}
.foot-legal a:hover{color:#fff}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Mobile ---------- */
@media (max-width:920px){
  .nav-links{
    position:fixed;top:68px;inset-inline:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,22,48,.98);padding:10px 6vw 24px;display:none;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .menu-btn{display:block}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:36px 16px}
  .why-grid{grid-template-columns:1fr;gap:20px}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .section{padding:72px 0}
  .hero{min-height:86vh}
}