@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;600;700;800;900&family=Pretendard:wght@400;600;700;800;900&display=swap');

:root {
  --navy: #07152f;
  --deep: #050a18;
  --gipa-blue: #0877bc;
  --gipa-green: #5dbb2f;
  --gipa-orange: #ff9a00;
  --blue: #0877bc;
  --cyan: #22d3ee;
  --sky: #8bd7ff;
  --violet: #7c3aed;
  --mint: #d8f7c8;
  --white: #f8fbff;
  --muted: #b9c7dd;
  --card: rgba(255,255,255,.09);
  --line: rgba(8,119,188,.24);
  --shadow: 0 28px 90px rgba(0,0,0,.38);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Pretendard,'Noto Sans KR',system-ui,sans-serif;color:var(--white);background:var(--navy);word-break:keep-all} a{color:inherit;text-decoration:none} img{max-width:100%;display:block}.skip-link{position:absolute;left:-999px;top:12px;z-index:99;padding:10px 14px;background:var(--mint);color:#06101f;border-radius:10px;font-weight:900}.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:15px clamp(18px,5vw,68px);background:rgba(5,10,24,.78);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.brand{font-weight:900;letter-spacing:-.03em}.brand-mark{display:inline-grid;place-items:center;margin-right:8px;padding:6px 9px;border-radius:12px;background:linear-gradient(135deg,var(--gipa-blue),var(--gipa-green));color:#fff;box-shadow:0 12px 30px rgba(8,119,188,.26)}nav{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end;color:#d9e8ff;font-size:14px;font-weight:800}nav a:hover{color:var(--mint)}
.hero{position:relative;min-height:calc(100vh - 62px);display:flex;align-items:center;padding:clamp(72px,10vh,120px) clamp(20px,5vw,72px);background:linear-gradient(135deg,#07152f 0%,#0877bc 54%,#050a18 100%);overflow:hidden}.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;filter:saturate(1.05) contrast(1.05)}.hero-overlay{position:absolute;inset:0;z-index:1;background:radial-gradient(circle at 82% 8%,rgba(93,187,47,.26),transparent 30%),radial-gradient(circle at 10% 24%,rgba(255,154,0,.16),transparent 30%),linear-gradient(135deg,rgba(7,21,47,.82) 0%,rgba(8,119,188,.62) 52%,rgba(5,10,24,.86) 100%)}.hero-inner{position:relative;z-index:2}.hero-inner{max-width:1120px;margin:0 auto;text-align:center}.eyebrow,.section-kicker{margin:0 0 14px;color:#d8f7c8;font-weight:900;letter-spacing:.14em;text-transform:uppercase;font-size:13px}h1{margin:0;font-size:clamp(40px,6.6vw,82px);line-height:1.08;letter-spacing:-.07em}h1 strong{color:transparent;background:linear-gradient(90deg,#fff,var(--sky),var(--mint) 70%,#ffe0a3);-webkit-background-clip:text;background-clip:text}.lead{max-width:830px;margin:28px auto 0;color:#d9e7fb;font-size:clamp(17px,1.8vw,21px);line-height:1.7}.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:14px 20px;border-radius:999px;font-weight:900;border:1px solid var(--line);transition:.2s}.btn.primary{background:linear-gradient(135deg,var(--gipa-blue),#0aa0dc);color:#fff;box-shadow:0 16px 40px rgba(8,119,188,.25)}.btn.ghost{background:rgba(255,255,255,.08);color:#eff8ff}.btn:hover{transform:translateY(-2px)}.btn.disabled{cursor:not-allowed;background:rgba(255,255,255,.08);color:#9fb1c9}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:42px auto 0;max-width:970px}.stats div{padding:22px;border-radius:24px;background:rgba(255,255,255,.1);border:1px solid var(--line);box-shadow:var(--shadow)}.stats strong{display:block;font-size:clamp(22px,3vw,34px);letter-spacing:-.04em}.stats span{display:block;margin-top:8px;color:var(--muted);font-weight:700}
.section{padding:clamp(72px,9vw,116px) clamp(20px,5vw,72px)}.section-title{max-width:960px;margin:0 auto 40px;text-align:center}.section-title.narrow{max-width:780px}.section h2{margin:0;font-size:clamp(30px,4.6vw,56px);line-height:1.15;letter-spacing:-.055em}.section-title p:not(.section-kicker){color:#516075;font-size:18px;line-height:1.75}.overview{background:#f6faff;color:#07152f}.feature-grid{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-grid article,.timeline article,.material-card{border:1px solid rgba(37,99,235,.14);border-radius:28px;background:#fff;padding:26px;box-shadow:0 18px 50px rgba(7,21,47,.08)}.feature-grid span{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:14px;background:linear-gradient(135deg,var(--gipa-blue),var(--gipa-green));color:#fff;font-weight:900}.feature-grid article:nth-child(3) span{background:linear-gradient(135deg,var(--gipa-orange),#ffbd45)}.feature-grid article:nth-child(4) span{background:linear-gradient(135deg,var(--gipa-green),#2f9f63)}.feature-grid h3,.timeline h3,.material-card h3{margin:18px 0 10px;font-size:22px;letter-spacing:-.04em}.feature-grid p,.timeline p,.material-card p{margin:0;color:#526176;line-height:1.65}.instructor{background:linear-gradient(180deg,#eef8ff,#fff);color:#07152f}.profile{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:260px 1fr;gap:34px;align-items:center;padding:34px;border-radius:34px;background:#fff;border:1px solid rgba(37,99,235,.14);box-shadow:0 24px 70px rgba(7,21,47,.1)}.profile-photo{border-radius:28px;overflow:hidden;box-shadow:0 18px 44px rgba(7,21,47,.18)}.profile .role{color:var(--gipa-blue);font-weight:900}.profile-copy p{color:#526176;line-height:1.7}.profile-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.profile-tags span{padding:9px 12px;border-radius:999px;background:#edf6ff;color:#075f98;font-weight:800;font-size:14px}.profile-tags span:nth-child(2n){background:#f0faeb;color:#327f1d}.profile-tags span:nth-child(3n){background:#fff5e5;color:#a85f00}.curriculum{background:#07152f}.curriculum .section-title p:not(.section-kicker){color:#c9d7ea}.timeline{max-width:1040px;margin:0 auto;display:grid;gap:16px}.timeline article{background:rgba(255,255,255,.08);border-color:var(--line);box-shadow:none;color:#fff}.timeline .time{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(8,119,188,.18);color:#d8f7c8;font-weight:900}.timeline article:nth-child(3) .time{background:rgba(255,154,0,.18);color:#ffe0a3}.timeline article:nth-child(4) .time{background:rgba(93,187,47,.18);color:#d8f7c8}.timeline p{color:#c9d7ea}.materials{background:#eef6ff;color:#07152f}.material-grid{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.material-card.featured{background:linear-gradient(180deg,#fff,#f3fbff)}.material-icon{display:inline-grid;place-items:center;min-width:58px;height:40px;padding:0 12px;border-radius:14px;background:#07152f;color:var(--mint);font-weight:900;font-size:13px}.video-guide{background:linear-gradient(135deg,#07152f 0%,#0b244d 52%,#050a18 100%);color:#fff}.video-guide .section-title p:not(.section-kicker){color:#c9d7ea}.video-card{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch;padding:28px;border:1px solid rgba(255,255,255,.16);border-radius:34px;background:rgba(255,255,255,.08);box-shadow:var(--shadow)}.video-copy{padding:10px}.video-badge{display:inline-flex;margin-bottom:14px;padding:8px 12px;border-radius:999px;background:#ff0033;color:#fff;font-weight:950;letter-spacing:.04em}.video-copy h3{margin:0 0 12px;font-size:clamp(26px,3.5vw,42px);letter-spacing:-.05em}.video-copy p{margin:0 0 22px;color:#d9e7fb;font-size:17px;line-height:1.7}.video-thumb{min-height:260px;display:grid;place-items:center;text-align:center;border-radius:28px;background:radial-gradient(circle at 24% 18%,rgba(93,187,47,.32),transparent 32%),linear-gradient(135deg,#0877bc,#07152f 68%);border:1px solid rgba(255,255,255,.18);color:#fff;font-weight:950;font-size:24px;letter-spacing:-.04em}.play-mark{display:grid;place-items:center;width:76px;height:76px;margin:0 auto 18px;border-radius:50%;background:#fff;color:#ff0033;box-shadow:0 18px 40px rgba(0,0,0,.25)}.site-footer{padding:38px 20px;text-align:center;background:#050a18;color:#aebbd0}.site-footer p{margin:6px 0}
@media (max-width:900px){.site-header{align-items:center;flex-direction:column;text-align:center;padding:14px 18px}.brand{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;line-height:1.25}.brand-mark{margin-right:0;flex:0 0 auto}nav{width:100%;justify-content:center;gap:8px 10px;font-size:13px}nav a{display:inline-flex;align-items:center;justify-content:center;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.07)}.stats,.feature-grid,.material-grid,.video-card{grid-template-columns:1fr}.profile{grid-template-columns:1fr}.profile-photo{max-width:260px;margin:0 auto}.hero{min-height:auto;padding-top:72px}.hero-inner{width:100%;text-align:center}h1{font-size:clamp(36px,10vw,58px)}}
@media (max-width:520px){.site-header{position:relative;padding:12px 14px}.brand{font-size:15px;letter-spacing:-.04em}.brand-mark{padding:5px 8px;border-radius:10px}.hero{padding:56px 16px 64px}.eyebrow{font-size:11px;letter-spacing:.08em}.lead{font-size:16px;line-height:1.65}.hero-actions .btn{width:100%}.stats{margin-top:28px}.stats div{padding:18px 14px}.stats strong{font-size:24px}}

.mini-links{display:grid;gap:8px;margin-top:16px}.mini-links a{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:9px 12px;border-radius:14px;background:#edf6ff;color:#075f98;font-weight:900;font-size:14px}.mini-links a:nth-child(2n){background:#f0faeb;color:#327f1d}.mini-links a:nth-child(3n){background:#fff5e5;color:#a85f00}
'

.prompt-highlight{position:relative;overflow:hidden;border:2px solid rgba(8,119,188,.34)!important;background:linear-gradient(135deg,#ffffff 0%,#edf8ff 46%,#f0faeb 100%)!important;box-shadow:0 26px 80px rgba(8,119,188,.20)!important;transform:translateY(-4px)}
.prompt-highlight::before{content:"";position:absolute;right:-42px;top:-42px;width:142px;height:142px;border-radius:50%;background:radial-gradient(circle,rgba(255,154,0,.28),transparent 68%)}
.prompt-highlight::after{content:"OPEN";position:absolute;right:22px;top:22px;padding:7px 10px;border-radius:999px;background:#ff9a00;color:#fff;font-size:12px;font-weight:950;letter-spacing:.08em;box-shadow:0 10px 24px rgba(255,154,0,.25)}
.hot-label{display:inline-flex;margin:14px 0 0!important;padding:7px 11px;border-radius:999px;background:#fff5e5;color:#a85f00!important;font-size:13px;font-weight:950;line-height:1!important}
.prompt-highlight h3{font-size:26px!important;color:#075f98!important}.prompt-highlight p:not(.hot-label){font-size:16px;color:#31445c!important}.library-btn{width:100%;margin-top:18px;min-height:54px;font-size:16px;background:linear-gradient(135deg,#0877bc,#5dbb2f)!important;box-shadow:0 16px 36px rgba(8,119,188,.24)!important}
@media(max-width:900px){.prompt-highlight{transform:none}.prompt-highlight h3{font-size:24px!important}}
'








.sound-toggle{display:inline-flex;align-items:center;justify-content:center;margin:0 auto 18px;min-height:42px;padding:10px 16px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(5,10,24,.42);color:#fff;font:inherit;font-size:14px;font-weight:900;cursor:pointer;backdrop-filter:blur(10px);box-shadow:0 12px 32px rgba(0,0,0,.22)}.sound-toggle:hover{transform:translateY(-1px);background:rgba(8,119,188,.46)}