/* ==========================================================
   PARA · 플랫폼 공용 스타일 (본문 전용)
   파일: para-platform.css  ·  배포: /www/para-platform.css
   사용: 공용 헤더/푸터(site-header.js)와 함께, 본문 디자인에 사용.
   클래스 접두사 .pp- (site-header .mkh-/.mkft- 와 충돌 방지)
   ========================================================== */

:root{
  --pp-ink:#16130F; --pp-ink2:#5E574C; --pp-ink3:#938A7C;
  --pp-paper:#FCFBF8; --pp-surface:#FFFFFF; --pp-surface2:#F5F2EB;
  --pp-hero:#100E0B; --pp-hero2:#1B1712;
  --pp-line:rgba(22,19,15,.12); --pp-line2:rgba(22,19,15,.06);
  --pp-para:#DA3B22; --pp-para-deep:#B22C16;
  --pp-vol:#1E9E63; --pp-edu:#2C7DD6; --pp-prj:#7C54E0; --pp-str:#E89A1C; --pp-mkt:#DA3B22; --pp-glb:#3B5BC4;
  --pp-disp:"Unbounded",-apple-system,system-ui,sans-serif;
  --pp-sans:"IBM Plex Sans KR","Unbounded",-apple-system,system-ui,"Malgun Gothic",sans-serif;
  --pp-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --pp-shadow:0 30px 60px -34px rgba(22,19,15,.4);
  --pp-shadow-sm:0 14px 30px -20px rgba(22,19,15,.34);
}

/* 본문 컨테이너 (헤더/푸터는 site-header.js) */
.pp{background:var(--pp-paper);color:var(--pp-ink);font-family:var(--pp-sans);line-height:1.7;-webkit-font-smoothing:antialiased}
.pp *{box-sizing:border-box}
.pp .wrap{max-width:1160px;margin:0 auto;padding:0 26px}
.pp a{color:inherit;text-decoration:none}
.pp ::selection{background:var(--pp-para);color:#fff}
@media (prefers-reduced-motion: reduce){.pp *{animation:none!important;transition-duration:.01ms!important}}

/* ---------- hero (stage-tinted) ---------- */
.pp-hero{position:relative;background:var(--pp-hero);color:#fff;padding:74px 0 66px;overflow:hidden}
.pp-hero::before{content:"";position:absolute;width:640px;height:640px;border-radius:50%;right:-12%;top:-40%;
  background:radial-gradient(circle,var(--stage-glow,rgba(218,59,34,.28)),transparent 62%);filter:blur(8px)}
.pp-hero .wrap{position:relative;z-index:2}
.pp-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--pp-mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:#fff;opacity:.92;margin-bottom:22px}
.pp-eyebrow::before{content:"";width:28px;height:2px;background:var(--stage,var(--pp-para))}
.pp-hero h1{font-family:var(--pp-sans);font-weight:700;font-size:clamp(32px,5.4vw,60px);line-height:1.1;letter-spacing:-.025em;word-break:keep-all;text-wrap:balance;margin:0}
.pp-hero h1 .g{color:var(--stage,var(--pp-para))}
.pp-hero .lead{margin-top:20px;font-size:clamp(15px,1.9vw,19px);color:rgba(255,255,255,.78);max-width:62ch;font-weight:300}
.pp-hero .lead b{color:#fff;font-weight:600}
.pp-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- buttons ---------- */
.pp-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--pp-sans);font-weight:600;font-size:15px;padding:14px 28px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap}
a.pp-btn-primary,.pp-btn-primary{background:var(--stage,var(--pp-para));color:#fff;border-color:var(--stage,var(--pp-para))}
a.pp-btn-primary:hover,.pp-btn-primary:hover{filter:brightness(.92);transform:translateY(-2px)}
a.pp-btn-ghost,.pp-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
a.pp-btn-ghost:hover,.pp-btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
a.pp-btn-dark,.pp-btn-dark{background:var(--pp-ink);color:#fff;border-color:var(--pp-ink)}
a.pp-btn-dark:hover,.pp-btn-dark:hover{transform:translateY(-2px)}
a.pp-btn-line,.pp-btn-line{background:transparent;color:var(--pp-ink);border-color:var(--pp-line)}
a.pp-btn-line:hover,.pp-btn-line:hover{border-color:var(--pp-ink);background:var(--pp-ink);color:#fff}

/* ---------- section ---------- */
.pp-sec{padding:82px 0}
.pp-sec.alt{background:var(--pp-surface2)}
.pp-sec.dark{background:var(--pp-ink);color:#fff}
.pp-head{max-width:720px;margin-bottom:46px}
.pp-tag{font-family:var(--pp-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--stage,var(--pp-para));font-weight:500;display:inline-block;margin-bottom:15px}
.pp-sec.dark .pp-tag{color:#fff}
.pp-h{font-family:var(--pp-sans);font-weight:700;font-size:clamp(25px,3.6vw,40px);line-height:1.16;letter-spacing:-.02em;word-break:keep-all;text-wrap:balance;margin:0}
.pp-sub{margin-top:16px;font-size:16.5px;color:var(--pp-ink2);max-width:64ch}
.pp-sec.dark .pp-sub{color:rgba(255,255,255,.72)}
.pp-sub b{color:var(--pp-ink);font-weight:600}
.pp-sec.dark .pp-sub b{color:#fff}

/* ---------- grid + cards ---------- */
.pp-grid{display:grid;gap:16px}
.pp-g2{grid-template-columns:repeat(2,1fr)} .pp-g3{grid-template-columns:repeat(3,1fr)} .pp-g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.pp-g3,.pp-g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pp-g2,.pp-g3,.pp-g4{grid-template-columns:1fr}}
.pp-card{position:relative;background:var(--pp-surface);border:1px solid var(--pp-line);border-radius:16px;padding:26px 24px;transition:transform .25s,box-shadow .25s,border-color .25s;overflow:hidden}
.pp-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--c,var(--stage,var(--pp-para)));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.pp-card:hover{transform:translateY(-4px);box-shadow:var(--pp-shadow-sm);border-color:color-mix(in srgb,var(--c,var(--stage,var(--pp-para))) 38%,var(--pp-line))}
.pp-card:hover::before{transform:scaleX(1)}
.pp-card .en{font-family:var(--pp-disp);font-weight:700;font-size:12.5px;letter-spacing:.03em;color:var(--c,var(--stage,var(--pp-para)))}
.pp-card h3{font-family:var(--pp-sans);font-weight:700;font-size:19px;letter-spacing:-.01em;margin:6px 0 11px}
.pp-card p{font-size:14.5px;color:var(--pp-ink2);line-height:1.72}
.pp-card .go{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-family:var(--pp-mono);font-size:12.5px;color:var(--c,var(--stage,var(--pp-para)));font-weight:500}
.pp-card.dark{background:var(--pp-hero2);border-color:rgba(255,255,255,.12);color:#fff}
.pp-card.dark p{color:rgba(255,255,255,.72)}

/* ---------- steps / pipeline ---------- */
.pp-steps{display:grid;gap:0}
.pp-step{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;padding:18px 0}
.pp-step + .pp-step{border-top:1px solid var(--pp-line2)}
.pp-step .idx{font-family:var(--pp-mono);font-weight:600;font-size:14px;color:#fff;background:var(--stage,var(--pp-para));width:36px;height:36px;border-radius:10px;display:grid;place-items:center}
.pp-step h4{font-family:var(--pp-sans);font-weight:600;font-size:17px;margin:0 0 3px}
.pp-step p{font-size:14.5px;color:var(--pp-ink2);margin:0}

/* ---------- chips ---------- */
.pp-chips{display:flex;flex-wrap:wrap;gap:8px}
.pp-chip{font-size:13.5px;padding:8px 14px;border-radius:999px;background:var(--pp-surface2);border:1px solid var(--pp-line);color:var(--pp-ink)}
.pp-chip.s{background:color-mix(in srgb,var(--stage,var(--pp-para)) 12%,var(--pp-surface));border-color:color-mix(in srgb,var(--stage,var(--pp-para)) 30%,var(--pp-line))}
.pp-sec.dark .pp-chip{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}

/* ---------- stats ---------- */
.pp-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--pp-line);border:1px solid var(--pp-line);border-radius:16px;overflow:hidden}
@media(max-width:640px){.pp-stats{grid-template-columns:repeat(2,1fr)}}
.pp-stat{background:var(--pp-surface);padding:28px 20px;text-align:center}
.pp-stat b{font-family:var(--pp-disp);font-weight:700;font-size:clamp(24px,3vw,34px);color:var(--stage,var(--pp-para));display:block;letter-spacing:.01em}
.pp-stat span{font-size:13px;color:var(--pp-ink2);margin-top:6px;display:block;font-weight:500}

/* ---------- note ---------- */
.pp-note{border:1px solid var(--pp-line);border-left:4px solid var(--pp-str);background:color-mix(in srgb,var(--pp-str) 8%,var(--pp-surface));border-radius:0 12px 12px 0;padding:16px 20px;font-size:14px;color:var(--pp-ink2)}
.pp-note b{color:var(--pp-ink)}

/* ---------- feature split ---------- */
.pp-feat{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
@media(max-width:860px){.pp-feat{grid-template-columns:1fr;gap:28px}}
.pp-feat-card{background:linear-gradient(155deg,var(--stage,var(--pp-para)),color-mix(in srgb,var(--stage,var(--pp-para)) 70%,#000));border-radius:22px;padding:34px;color:#fff;box-shadow:var(--pp-shadow)}
.pp-feat-card .badge{font-family:var(--pp-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;background:rgba(255,255,255,.18);padding:6px 12px;border-radius:999px;display:inline-block}
.pp-feat-card h3{font-family:var(--pp-disp);font-weight:800;font-size:28px;margin:18px 0 4px;letter-spacing:.01em}
.pp-feat-card ul{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:11px}
.pp-feat-card li{display:flex;gap:10px;font-size:14.5px;font-weight:500;align-items:flex-start}
.pp-feat-card li::before{content:"→";font-weight:700;flex:none}

/* ---------- big CTA band ---------- */
.pp-cta{background:var(--stage,var(--pp-para));color:#fff;text-align:center;padding:82px 0}
.pp-cta h2{font-family:var(--pp-sans);font-weight:700;font-size:clamp(24px,3.6vw,40px);line-height:1.18;letter-spacing:-.02em;margin:0;word-break:keep-all;text-wrap:balance}
.pp-cta p{margin-top:14px;font-size:16.5px;color:rgba(255,255,255,.9)}
.pp-cta .pp-hero-cta{justify-content:center;margin-top:30px}
.pp-cta a.pp-btn-white,.pp-btn-white{background:#fff;color:var(--stage,var(--pp-para));border-color:#fff}
.pp-cta a.pp-btn-white:hover,.pp-btn-white:hover{transform:translateY(-2px)}
.pp-cta .pp-btn-ghost:hover{background:rgba(255,255,255,.12)}

/* stage presets */
.pp[data-stage="vol"]{--stage:var(--pp-vol);--stage-glow:rgba(30,158,99,.28)}
.pp[data-stage="edu"]{--stage:var(--pp-edu);--stage-glow:rgba(44,125,214,.26)}
.pp[data-stage="prj"]{--stage:var(--pp-prj);--stage-glow:rgba(124,84,224,.26)}
.pp[data-stage="str"]{--stage:var(--pp-str);--stage-glow:rgba(232,154,28,.26)}
.pp[data-stage="mkt"]{--stage:var(--pp-mkt);--stage-glow:rgba(218,59,34,.28)}
.pp[data-stage="glb"]{--stage:var(--pp-glb);--stage-glow:rgba(59,91,196,.28)}

/* reveal */
.pp-rv{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.pp-rv.in{opacity:1;transform:none}