/* ===== FramePeek 랜딩 (화이트톤) ===== */
:root{
  --bg:#ffffff;
  --bg-soft:#f6f7fb;
  --bg-soft2:#eef0f7;
  --ink:#0c1020;
  --ink-2:#3a4255;
  --muted:#6b7280;
  --line:#e8eaf1;
  --line-2:#dfe2ee;
  --brand:#6d5efc;
  --brand-2:#a855f7;
  --brand-ink:#5446e8;
  --grad:linear-gradient(115deg,#6d5efc 0%,#8b5cf6 45%,#c084fc 100%);
  --shadow-sm:0 1px 2px rgba(12,16,32,.06),0 2px 8px rgba(12,16,32,.05);
  --shadow:0 10px 30px rgba(40,38,88,.10),0 2px 8px rgba(40,38,88,.06);
  --shadow-lg:0 30px 70px rgba(58,46,140,.18),0 8px 24px rgba(40,38,88,.10);
  --radius:18px;
  --maxw:1140px;
  --nav-h:64px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-ink);margin:0 0 12px}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.12}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== 버튼 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:12px 22px;border-radius:999px;cursor:pointer;
  border:1px solid transparent;transition:transform .15s ease,box-shadow .2s ease,background .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(109,94,252,.35)}
.btn-primary:hover{box-shadow:0 12px 30px rgba(109,94,252,.5);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:#c9cde0;background:var(--bg-soft)}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-sm{padding:9px 16px;font-size:14px}

/* ===== 네비게이션 ===== */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:60;
  display:flex;align-items:center;background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:.25s}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav .wrap{display:flex;align-items:center;gap:20px;width:100%}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand .logo{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(109,94,252,.4)}
.brand .logo svg{width:17px;height:17px}
.nav-links{display:flex;gap:6px;margin-left:18px}
.nav-links a{padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);font-weight:500;transition:.15s}
.nav-links a:hover{background:var(--bg-soft);color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.link-btn{background:none;border:0;font:inherit;font-weight:600;color:var(--ink-2);cursor:pointer;padding:9px 14px;border-radius:10px}
.link-btn:hover{background:var(--bg-soft);color:var(--ink)}
.nav-burger{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-left:auto}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;margin:5px 0;transition:.2s}

/* ===== 히어로 ===== */
.hero{position:relative;padding:calc(var(--nav-h) + 70px) 0 70px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-200px 0 auto 0;height:680px;z-index:-1;
  background:radial-gradient(60% 60% at 50% 0%,rgba(168,85,247,.16),transparent 70%),
             radial-gradient(50% 50% at 80% 10%,rgba(109,94,252,.14),transparent 70%)}
.hero-grid-bg{position:absolute;inset:0;z-index:-2;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(70% 55% at 50% 30%,#000,transparent 75%)}
.hero-inner{text-align:center;max-width:840px;margin:0 auto}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-ink);
  background:#fff;border:1px solid var(--line-2);padding:6px 14px 6px 8px;border-radius:999px;box-shadow:var(--shadow-sm);margin-bottom:24px}
.pill .dot{background:var(--grad);color:#fff;font-size:11px;padding:2px 8px;border-radius:999px}
.hero h1{font-size:clamp(34px,6vw,62px);font-weight:800}
.hero p.sub{font-size:clamp(16px,2.2vw,20px);color:var(--ink-2);max-width:620px;margin:22px auto 0}
.hero-cta{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.hero-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ===== 제품 데모 목업(시연) ===== */
.demo-shell{margin:54px auto 0;max-width:960px;border-radius:22px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.demo-bar .dots{display:flex;gap:6px}
.demo-bar .dots i{width:11px;height:11px;border-radius:50%;background:#dfe2ee}
.demo-bar .dots i:nth-child(1){background:#ff5f57}
.demo-bar .dots i:nth-child(2){background:#febc2e}
.demo-bar .dots i:nth-child(3){background:#28c840}
.demo-bar .url{margin:0 auto;font-size:12px;color:var(--muted);background:#fff;border:1px solid var(--line);
  padding:5px 16px;border-radius:999px;display:flex;align-items:center;gap:6px}
.demo-stage{position:relative;padding:18px;background:
  radial-gradient(120% 100% at 50% 0%,#fbfbff,#f2f3fb)}
/* 데모: 업로드 진행바 */
.demo-upload{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:12px 14px;margin-bottom:14px;box-shadow:var(--shadow-sm)}
.demo-upload .ic{width:34px;height:34px;border-radius:9px;background:rgba(109,94,252,.12);display:grid;place-items:center;color:var(--brand)}
.demo-upload .meta{flex:1;min-width:0}
.demo-upload .meta b{font-size:13px}
.demo-upload .meta .track{height:6px;border-radius:999px;background:var(--bg-soft2);margin-top:6px;overflow:hidden}
.demo-upload .meta .track i{display:block;height:100%;width:0;background:var(--grad);border-radius:999px;animation:fill 3.6s ease-in-out infinite}
.demo-upload .pct{font-size:12px;font-weight:700;color:var(--brand-ink);font-variant-numeric:tabular-nums}
@keyframes fill{0%{width:0}45%{width:100%}55%{width:100%}100%{width:0}}
/* 데모: 격자 */
.demo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.demo-grid .cell{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:1/1;
  background:linear-gradient(135deg,#e9ebf5,#dfe2f0);opacity:0;transform:translateY(14px) scale(.96);
  animation:pop .5s ease forwards}
.demo-grid .cell::after{content:"";position:absolute;inset:0;background:var(--g,var(--grad));opacity:.85}
.demo-grid .cell.v::before{content:"▶";position:absolute;z-index:2;inset:0;display:grid;place-items:center;color:#fff;font-size:18px;
  text-shadow:0 2px 8px rgba(0,0,0,.3);animation:pulse 1.6s ease-in-out infinite}
.demo-grid .cell.tall{grid-row:span 2;aspect-ratio:auto}
.demo-grid .cell:nth-child(1){--g:linear-gradient(135deg,#6d5efc,#a855f7);animation-delay:.2s}
.demo-grid .cell:nth-child(2){--g:linear-gradient(135deg,#f472b6,#fb7185);animation-delay:.5s}
.demo-grid .cell:nth-child(3){--g:linear-gradient(135deg,#22d3ee,#3b82f6);animation-delay:.8s}
.demo-grid .cell:nth-child(4){--g:linear-gradient(135deg,#34d399,#10b981);animation-delay:1.1s}
.demo-grid .cell:nth-child(5){--g:linear-gradient(135deg,#fbbf24,#f59e0b);animation-delay:1.4s}
.demo-grid .cell:nth-child(6){--g:linear-gradient(135deg,#818cf8,#6366f1);animation-delay:1.7s}
.demo-grid .cell:nth-child(7){--g:linear-gradient(135deg,#f87171,#ef4444);animation-delay:2s}
.demo-grid .cell:nth-child(8){--g:linear-gradient(135deg,#2dd4bf,#0ea5e9);animation-delay:2.3s}
@keyframes pop{to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.18);opacity:1}}

/* ===== 신뢰 로고 스트립 ===== */
.trust{padding:42px 0 8px;text-align:center}
.trust p{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin:0 0 22px}
.trust-row{display:flex;flex-wrap:wrap;gap:34px 50px;justify-content:center;align-items:center;opacity:.62}
.trust-row span{font-size:20px;font-weight:800;letter-spacing:-.02em;color:#94a0b8}

/* ===== 섹션 공통 ===== */
.section{padding:88px 0}
.section.soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-head h2{font-size:clamp(28px,4vw,42px);font-weight:800}
.section-head p{font-size:17px;color:var(--ink-2);margin:16px auto 0}

/* ===== 기능 카드 ===== */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.fcard .fi{width:48px;height:48px;border-radius:13px;background:rgba(109,94,252,.1);
  display:grid;place-items:center;color:var(--brand);margin-bottom:18px}
.fcard .fi svg{width:24px;height:24px}
.fcard h3{font-size:19px;margin-bottom:9px}
.fcard p{margin:0;color:var(--ink-2);font-size:15px}

/* ===== 사용법(스텝) ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:step}
.step{position:relative;padding-top:8px}
.step .num{width:44px;height:44px;border-radius:13px;background:var(--grad);color:#fff;font-weight:800;
  display:grid;place-items:center;font-size:18px;box-shadow:0 8px 18px rgba(109,94,252,.35);margin-bottom:16px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{margin:0;color:var(--ink-2);font-size:15px}

/* ===== 기능 하이라이트(좌우 교차) ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:80px}
.split.rev .split-media{order:2}
.split-text h2{font-size:clamp(24px,3vw,34px);font-weight:800}
.split-text p{color:var(--ink-2);font-size:16px;margin:16px 0 0}
.split-text ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.split-text li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.split-text li svg{flex:none;width:20px;height:20px;color:var(--brand);margin-top:2px}
.split-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);
  background:linear-gradient(135deg,#f7f8ff,#eef0fb);aspect-ratio:4/3;position:relative}
.split-media .mock{position:absolute;inset:22px;border-radius:12px;background:#fff;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.mock-row{display:flex;gap:8px;padding:12px}
.mock-row i{flex:1;height:9px;border-radius:999px;background:var(--bg-soft2)}
.mock-row i.w{width:40%;flex:none}
.mock-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 12px 12px;flex:1}
.mock-thumbs i{border-radius:8px;background:var(--grad);opacity:.18}
.mock-thumbs i:nth-child(2){opacity:.32}.mock-thumbs i:nth-child(4){opacity:.4}.mock-thumbs i:nth-child(5){opacity:.25}

/* ===== 요금 ===== */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.plan.feat{border-color:transparent;box-shadow:var(--shadow-lg);position:relative;background:
  linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:1.5px solid transparent;transform:scale(1.02)}
.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px}
.plan h3{font-size:17px;color:var(--ink-2)}
.plan .price{font-size:40px;font-weight:800;letter-spacing:-.03em;margin:10px 0 2px}
.plan .price span{font-size:15px;font-weight:600;color:var(--muted)}
.plan .desc{font-size:14px;color:var(--muted);min-height:38px}
.plan ul{list-style:none;padding:0;margin:20px 0 26px;display:grid;gap:11px}
.plan li{display:flex;gap:9px;font-size:14px;color:var(--ink-2)}
.plan li svg{flex:none;width:18px;height:18px;color:var(--brand)}
.plan .btn{margin-top:auto;width:100%}

/* ===== FAQ ===== */
.faq{max-width:760px;margin:0 auto;display:grid;gap:12px}
.qa{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.qa.open{border-color:var(--line-2);box-shadow:var(--shadow-sm)}
.qa button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:20px 22px;font:inherit;font-size:16px;font-weight:600;text-align:left;cursor:pointer;color:var(--ink)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-2);font-size:15px}
.qa .ans p{margin:0;padding:0 22px 20px}
.qa .chev{flex:none;transition:transform .3s;color:var(--muted)}
.qa.open .chev{transform:rotate(180deg)}

/* ===== CTA 밴드 ===== */
.cta-band{margin:0 24px}
.cta-inner{max-width:var(--maxw);margin:0 auto;border-radius:28px;background:var(--grad);color:#fff;
  text-align:center;padding:64px 32px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-inner::before{content:"";position:absolute;inset:0;background:
  radial-gradient(40% 60% at 15% 20%,rgba(255,255,255,.18),transparent),
  radial-gradient(40% 60% at 90% 90%,rgba(255,255,255,.14),transparent)}
.cta-inner h2{font-size:clamp(28px,4vw,40px);font-weight:800;position:relative}
.cta-inner p{font-size:17px;opacity:.92;margin:14px auto 28px;max-width:520px;position:relative}
.cta-inner .btn-ghost{position:relative;background:#fff;color:var(--brand-ink);border-color:#fff}

/* ===== 푸터 ===== */
.footer{background:#0c1020;color:#aeb4c6;padding:64px 0 32px;margin-top:90px}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer .brand{color:#fff;margin-bottom:14px}
.footer p.about{font-size:14px;color:#8b92a8;max-width:280px}
.footer h4{color:#fff;font-size:14px;margin:0 0 14px;letter-spacing:.02em}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer a{font-size:14px;color:#aeb4c6}
.footer a:hover{color:#fff}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center;transition:.2s}
.socials a:hover{background:var(--brand);color:#fff}
.socials svg{width:18px;height:18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:46px;padding-top:24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7b8298}

/* ===== 로그인 모달 ===== */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(12,16,32,.5);backdrop-filter:blur(4px)}
.modal.show{display:flex;animation:fade .2s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-card{background:#fff;border-radius:22px;width:100%;max-width:420px;box-shadow:var(--shadow-lg);
  padding:34px 32px;position:relative;animation:rise .25s ease}
@keyframes rise{from{transform:translateY(12px);opacity:0}to{transform:none;opacity:1}}
.modal-card .x{position:absolute;top:16px;right:16px;background:none;border:0;font-size:20px;color:var(--muted);cursor:pointer;line-height:1}
.modal-card .brand{justify-content:center;margin-bottom:6px}
.modal-card h3{text-align:center;font-size:22px;margin-bottom:4px}
.modal-card .msub{text-align:center;color:var(--muted);font-size:14px;margin-bottom:22px}
.tabs{display:flex;background:var(--bg-soft);border-radius:12px;padding:4px;margin-bottom:20px}
.tabs button{flex:1;border:0;background:none;font:inherit;font-weight:600;padding:9px;border-radius:9px;cursor:pointer;color:var(--muted)}
.tabs button.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
.field input{width:100%;padding:12px 14px;border:1px solid var(--line-2);border-radius:11px;font:inherit;font-size:15px;transition:.15s}
.field input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(109,94,252,.15)}
.modal .btn{width:100%;margin-top:6px}
.form-msg{font-size:13px;text-align:center;margin-top:12px;min-height:18px}
.form-msg.err{color:#e11d48}.form-msg.ok{color:#16a34a}
.modal .alt{text-align:center;font-size:13px;color:var(--muted);margin-top:18px}
.modal .alt button{background:none;border:0;color:var(--brand-ink);font-weight:600;cursor:pointer;font-size:13px}

/* 로그인 상태 칩 */
.user-chip{display:flex;align-items:center;gap:9px;padding:5px 12px 5px 5px;border:1px solid var(--line-2);border-radius:999px;background:#fff;cursor:pointer}
.user-chip .av{width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}
.user-chip .em{font-size:13px;font-weight:600;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 스크롤 리빌 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ===== 반응형 ===== */
@media (max-width:900px){
  .features,.steps,.pricing{grid-template-columns:1fr}
  .split,.split.rev .split-media{grid-template-columns:1fr;order:0}
  .split.rev .split-text{order:0}
  .footer .cols{grid-template-columns:1fr 1fr}
  .plan.feat{transform:none}
}
@media (max-width:720px){
  .nav-links,.nav-cta .link-btn,.nav-cta .btn-primary{display:none}
  .nav-burger{display:block}
  .nav.open .nav-links{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:12px;gap:4px;box-shadow:var(--shadow)}
  .nav.open .nav-cta{display:flex;position:absolute;top:calc(var(--nav-h) + 180px);left:0;right:0}
  .demo-grid{grid-template-columns:repeat(3,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
  .section{padding:60px 0}
}
@media (max-width:480px){
  .footer .cols{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
}