/* 특허그룹 신태양 — site styles */
:root{
  --ink:#0b1f3a;
  --ink-2:#12305a;
  --ink-3:#1d4677;
  --paper:#f5f8fc;
  --paper-2:#e7eef7;
  --white:#ffffff;
  --sun:#3d8fd1;
  --sun-2:#8ec5ee;
  --sun-deep:#1f5f9e;
  --text:#1c2430;
  --muted:#5d6878;
  --line:rgba(11,31,58,.12);
  --line-dark:rgba(255,255,255,.14);
  --radius:10px;
  --max:1200px;
  --serif:"Noto Serif KR","Noto Serif JP",Georgia,serif;
  --sans:"Pretendard","Noto Sans KR","Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
:lang(ja){--serif:"Noto Serif JP","Noto Serif KR",Georgia,serif;--sans:"Noto Sans JP","Noto Sans KR",-apple-system,sans-serif}
:lang(en){--serif:"Noto Serif","Noto Serif KR",Georgia,serif;--sans:"Inter","Noto Sans KR",-apple-system,sans-serif}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--sans);color:var(--text);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-x:hidden}
:lang(ja) body{word-break:normal;line-break:strict}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--sun-deep)}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.25}
h2{font-size:clamp(28px,4vw,44px);margin:14px 0 18px}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:720px}
section{padding:120px 0}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:.25s;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-sun{background:var(--sun);color:var(--ink)}
.btn-sun:hover{background:var(--sun-2);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-dark);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn svg{width:16px;height:16px}

/* Header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;transition:.3s}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.hdr.solid{background:rgba(11,31,58,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line-dark)}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-mark{width:38px;height:38px}
.brand-name{font-family:var(--serif);font-weight:700;font-size:19px;line-height:1.1}
.brand-name small{display:block;font-family:var(--sans);font-size:10.5px;letter-spacing:.2em;font-weight:500;opacity:.65;margin-top:3px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:rgba(255,255,255,.82);font-size:15px;font-weight:500;transition:.2s}
.nav a:hover{color:var(--sun-2)}
.lang{display:flex;border:1px solid var(--line-dark);border-radius:999px;padding:3px}
.lang a{padding:5px 11px;border-radius:999px;font-size:12.5px;font-weight:600;color:rgba(255,255,255,.7)}
.lang a.on{background:#fff;color:var(--ink)}
.menu-btn{display:none;background:none;border:0;color:#fff;cursor:pointer;width:40px;height:40px}

/* Hero */
.hero{position:relative;min-height:100vh;min-height:100svh;background:radial-gradient(120% 90% at 85% 15%,#17406e 0%,var(--ink) 55%,#06152b 100%);color:#fff;display:flex;align-items:center;overflow:hidden;padding:140px 0 100px}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero h1{font-size:clamp(38px,6.4vw,82px);margin:22px 0 26px;max-width:900px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--sun-2),var(--sun));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:rgba(255,255,255,.72);max-width:620px}
.hero .eyebrow{color:var(--sun-2)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:40px}
.sun{position:absolute;right:-12vw;top:50%;transform:translateY(-50%);width:min(78vw,900px);aspect-ratio:1;z-index:1;pointer-events:none}
.sun .core{fill:url(#sunGrad);filter:blur(.5px)}
.sun .ring{fill:none;stroke:rgba(142,197,238,.22);stroke-width:1}
.sun .rays{transform-origin:450px 450px;animation:spin 120s linear infinite}
.sun .rays line{stroke:rgba(142,197,238,.16);stroke-width:1}
.sun .orbit{transform-origin:450px 450px;animation:spin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:90px;border-top:1px solid var(--line-dark)}
.stat{padding:26px 24px 0 0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(28px,3.4vw,42px);color:#fff;font-weight:600}
.stat b sup{font-size:.5em;color:var(--sun-2);margin-left:2px}
.stat .lbl{font-size:14px;color:rgba(255,255,255,.6)}
.scroll-cue{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);width:22px;height:36px;border:1.5px solid rgba(255,255,255,.35);border-radius:12px;z-index:2}
.scroll-cue::after{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:var(--sun-2);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* About */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:80px;align-items:start}
.about-quote{font-family:var(--serif);font-size:clamp(20px,2.2vw,26px);line-height:1.6;color:var(--ink);border-left:3px solid var(--sun);padding-left:26px;margin:30px 0}
.lineage{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.lineage span{font-size:13px;padding:6px 12px;border-radius:999px;background:var(--paper-2);color:var(--muted)}
.offices{display:grid;gap:16px}
.office{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;display:grid;grid-template-columns:auto 1fr;gap:6px 20px;transition:.3s}
.office:hover{transform:translateY(-3px);box-shadow:0 18px 40px -20px rgba(11,31,58,.25)}
.office .city{grid-row:span 3;width:58px;height:58px;border-radius:14px;background:var(--ink);color:var(--sun-2);display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:15px;text-align:center;line-height:1.1}
.office h3{font-size:19px}
.office p{font-size:14px;color:var(--muted)}
.office .rep{font-size:13px;color:var(--sun-deep);font-weight:600}

/* Practice */
.practice{background:var(--ink);color:#fff}
.practice .lead{color:rgba(255,255,255,.65)}
.practice .eyebrow{color:var(--sun-2)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:60px}
.card{position:relative;padding:34px 30px 32px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid var(--line-dark);transition:.35s;overflow:hidden}
.card::after{content:"";position:absolute;right:-60px;top:-60px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(61,143,209,.35),transparent 70%);opacity:0;transition:.4s}
.card:hover{transform:translateY(-6px);border-color:rgba(142,197,238,.4)}
.card:hover::after{opacity:1}
.card .ico{width:48px;height:48px;border-radius:12px;background:rgba(61,143,209,.14);display:grid;place-items:center;color:var(--sun-2);margin-bottom:24px}
.card .ico svg{width:24px;height:24px}
.card h3{font-size:21px;margin-bottom:12px}
.card p{font-size:14.5px;color:rgba(255,255,255,.66)}
.card ul{list-style:none;margin-top:18px;display:flex;flex-wrap:wrap;gap:6px}
.card li{font-size:12.5px;padding:4px 10px;border-radius:999px;border:1px solid var(--line-dark);color:rgba(255,255,255,.75)}
.card.wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:60px;counter-reset:s}
.step{padding:0 26px 0 0;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--serif);font-size:15px;font-weight:700;color:var(--sun-deep);display:block;margin-bottom:18px}
.step .bar{height:2px;background:var(--line);margin-bottom:26px;position:relative}
.step .bar::after{content:"";position:absolute;left:0;top:-4px;width:10px;height:10px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 5px rgba(61,143,209,.18)}
.step h3{font-size:20px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted)}

/* People */
.people{background:var(--paper-2)}
.ppl{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:56px}
.person{background:#fff;border-radius:var(--radius);padding:28px;display:flex;gap:20px;align-items:center;border:1px solid var(--line);transition:.3s}
.person:hover{box-shadow:0 18px 40px -22px rgba(11,31,58,.3);transform:translateY(-3px)}
.avatar{flex:none;width:72px;height:72px;border-radius:50%;background:linear-gradient(140deg,var(--ink-3),var(--ink));color:var(--sun-2);display:grid;place-items:center;font-family:var(--serif);font-size:26px;font-weight:600;position:relative}
.avatar::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(61,143,209,.45)}
.person h3{font-size:19px}
.person .role{font-size:13px;color:var(--sun-deep);font-weight:600;margin:2px 0 6px}
.person a{font-size:13.5px;color:var(--muted)}
.person a:hover{color:var(--ink)}
.note{margin-top:26px;font-size:13px;color:var(--muted)}

/* Track record */
.track-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:80px}
.timeline{position:relative;padding-left:28px;border-left:1px solid var(--line)}
.tl{position:relative;padding-bottom:34px}
.tl:last-child{padding-bottom:0}
.tl::before{content:"";position:absolute;left:-34px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--paper);border:2px solid var(--sun)}
.tl b{font-family:var(--serif);font-size:20px;color:var(--ink)}
.tl p{font-size:14.5px;color:var(--muted);margin-top:4px}
.clients h3{font-size:15px;font-family:var(--sans);font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:34px}
.chips span{font-size:14px;padding:9px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--ink)}
.highlight{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.hl{padding:24px;border-radius:var(--radius);background:var(--ink);color:#fff}
.hl b{font-family:var(--serif);font-size:34px;color:var(--sun-2);font-weight:600}
.hl p{font-size:13.5px;color:rgba(255,255,255,.7);margin-top:4px}

/* FAQ */
.faq{background:#fff}
.faq-grid{display:grid;grid-template-columns:1fr 1.6fr;gap:80px}
details{border-bottom:1px solid var(--line);padding:22px 0}
details:first-child{border-top:1px solid var(--line)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;font-weight:600;font-size:17px;color:var(--ink)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--serif);font-size:24px;line-height:1;color:var(--sun-deep);transition:.25s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:12px;color:var(--muted);font-size:15px;max-width:640px}

/* Contact */
.contact{background:radial-gradient(100% 120% at 0% 100%,#17406e 0%,var(--ink) 60%);color:#fff}
.contact .eyebrow{color:var(--sun-2)}
.contact .lead{color:rgba(255,255,255,.68)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:20px}
form{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:22px;padding:34px;display:grid;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:grid;gap:7px;font-size:13px;color:rgba(255,255,255,.7);font-weight:500}
input,select,textarea{font:inherit;font-size:15px;color:#fff;background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:12px;padding:13px 15px;outline:none;transition:.2s;width:100%}
select option{color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--sun);background:rgba(255,255,255,.09)}
textarea{min-height:130px;resize:vertical}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5)}
.c-offices{display:grid;gap:14px}
.c-office{padding:22px 24px;border-radius:16px;border:1px solid var(--line-dark)}
.c-office h3{font-size:18px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.c-office h3 a{font-family:var(--sans);font-size:12.5px;font-weight:600;color:var(--sun-2);white-space:nowrap}
.c-office p{font-size:14px;color:rgba(255,255,255,.68);margin-top:6px}
.c-office dl{display:grid;grid-template-columns:auto 1fr;gap:3px 14px;font-size:14px;margin-top:10px}
.c-office dt{color:rgba(255,255,255,.45)}
.c-office dd a:hover{color:var(--sun-2)}

/* Footer */
footer{background:#06152b;color:rgba(255,255,255,.55);padding:50px 0;font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
footer .brand-name{font-size:16px;color:#fff}

/* Reveal */
.rv{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.sun .rays,.sun .orbit{animation:none}}

/* Responsive */
@media (max-width:1000px){
  .about-grid,.track-grid,.faq-grid,.contact-grid{grid-template-columns:1fr;gap:50px}
  .cards{grid-template-columns:1fr 1fr}
  .card.wide{grid-column:span 2}
  .ppl{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:40px 0}
}
@media (max-width:860px){
  .nav{position:fixed;inset:76px 0 auto 0;background:rgba(11,31,58,.98);flex-direction:column;align-items:flex-start;padding:24px;gap:18px;transform:translateY(-120%);transition:.35s;z-index:-1}
  .nav.open{transform:none}
  .nav a{font-size:17px}
  .menu-btn{display:block}
  .hdr{background:rgba(11,31,58,.92);backdrop-filter:blur(14px)}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  section{padding:84px 0}
  .stats{grid-template-columns:1fr 1fr;margin-top:60px}
  .stat{padding:20px 12px 0 0}
  .cards,.ppl,.highlight{grid-template-columns:1fr}
  .card.wide{grid-column:auto;grid-template-columns:1fr;gap:10px}
  .steps{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  form{padding:22px}
  .sun{right:-45vw;width:120vw;opacity:.75}
  .brand-name small{display:none}
}

/* Lead attorney + partners */
.lead-card{margin-top:56px;background:var(--ink);color:#fff;border-radius:24px;padding:40px;position:relative;overflow:hidden}
.lead-card::after{content:"";position:absolute;right:-120px;top:-120px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(61,143,209,.28),transparent 70%)}
.lead-head{display:flex;gap:24px;align-items:center;margin-bottom:30px;position:relative;z-index:1}
.avatar.big{width:96px;height:96px;font-size:34px}
.lead-head h3{font-size:30px;margin:2px 0 4px}
.lead-head .role{font-size:13px;color:var(--sun-2);font-weight:600;letter-spacing:.04em}
.lead-head a{font-size:14px;color:rgba(255,255,255,.65)}
.lead-cols{display:grid;grid-template-columns:1fr 1.2fr 1.4fr;gap:34px;position:relative;z-index:1}
.lead-cols h4{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--sun-2);margin-bottom:12px;font-weight:700}
.lead-cols ul{list-style:none;display:grid;gap:7px}
.lead-cols li{font-size:14px;color:rgba(255,255,255,.78);padding-left:14px;position:relative}
.lead-cols li::before{content:"";position:absolute;left:0;top:.75em;width:5px;height:1px;background:var(--sun)}
.sub-h{font-size:20px;margin:56px 0 0}
.person{align-items:flex-start}
.person p{font-size:13.5px;color:var(--muted);line-height:1.6}
.intl{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:0 18px;margin-bottom:34px;border-top:1px solid var(--line)}
.intl li{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink)}
.intl em{font-style:normal;font-size:11.5px;font-weight:700;color:var(--sun-deep);letter-spacing:.06em;white-space:nowrap}
@media (max-width:1000px){.lead-cols{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.lead-card{padding:26px 20px}.lead-cols,.intl{grid-template-columns:1fr}.lead-head{gap:16px}.avatar.big{width:72px;height:72px;font-size:26px}.lead-head h3{font-size:24px}}
#people .ppl{grid-template-columns:repeat(2,1fr)}
@media (max-width:640px){#people .ppl{grid-template-columns:1fr}}
.lead-card{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.lead-photo{margin:0;border-radius:18px;overflow:hidden;position:relative;z-index:1;aspect-ratio:3/4;box-shadow:0 0 0 1px rgba(142,197,238,.35),0 30px 60px -30px rgba(0,0,0,.6)}
.lead-photo img{width:100%;height:100%;object-fit:cover}
.lead-body{position:relative;z-index:1;min-width:0}
.lead-cols{grid-template-columns:1fr 1fr}
.lead-cols>div:last-child{grid-column:1/-1}
.lead-cols>div:last-child ul{grid-template-columns:1fr 1fr;column-gap:24px}
@media (max-width:1000px){.lead-card{grid-template-columns:220px 1fr}}
@media (max-width:760px){.lead-card{grid-template-columns:1fr}.lead-photo{max-width:260px}.lead-cols,.lead-cols>div:last-child ul{grid-template-columns:1fr}}

/* calmer, more formal finish */
.btn{border-radius:6px}
.btn-sun{color:#fff}
.btn-sun:hover{background:#2f7cbc;color:#fff;transform:none}
.hero h1 em{background:none;-webkit-background-clip:initial;background-clip:initial;color:var(--sun-2)}
.sun{opacity:.45}
.sun .rays,.sun .orbit{animation:none}
.card::after,.lead-card::after{display:none}
.card:hover,.office:hover,.person:hover{transform:none}
.office .city{border-radius:8px}
.lead-card{border-radius:14px}
.lead-photo{border-radius:10px}
.chips span{border-radius:6px}
form{border-radius:12px}
input,select,textarea{border-radius:6px}
.c-office{border-radius:10px}
.hero h1{font-size:clamp(34px,4.8vw,64px);max-width:980px}