/* ============================================
   LEGATO Main Page CSS — legato-new.css
   그누보드 테마 메인 전용 (GNB/Footer는 head.php/tail.php)
   ============================================ */

:root{--black:#0A0A0F;--black-light:#12121A;--black-card:#1A1A24;--amber:#FFBF00;--amber-light:#FFD54F;--gold:#C4A265;--white:#FFFFFF;--gray-400:#9999A5;--gray-600:#666674;--font-sans:'Noto Sans KR',-apple-system,sans-serif;--font-mono:'Roboto Mono',monospace;--section-pad:120px 0;--content-width:1200px;--transition:0.4s cubic-bezier(0.25,0.46,0.45,0.94)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-sans);background:var(--black);color:var(--white);overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.inner{max-width:var(--content-width);margin:0 auto;padding:0 40px}
html.hidden,body.hidden{overflow:hidden}

/* ── Hero ── */
.hero{position:relative;height:200vh;background:var(--black)}
.hero-sticky{position:sticky;top:0;width:100%;height:100vh;overflow:hidden}
.hero-video-bg{position:absolute;inset:0;z-index:1;background:var(--black);filter:blur(12px) brightness(0.5);transition:filter 0.1s linear;overflow:hidden}
.hero-video-bg video{position:absolute;top:50%;left:50%;width:100%;height:100%;object-fit:cover;transform:translate(-50%,-50%)}
.hero-video-overlay{position:absolute;inset:0;z-index:2;background:rgba(10,10,15,0.55);pointer-events:none;transition:opacity 0.1s linear}
.hero-content{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;transition:transform 0.05s linear,opacity 0.05s linear;will-change:transform,opacity}
.hero-welcome{font-size:12px;letter-spacing:6px;color:var(--amber);margin-bottom:24px;font-weight:400;animation:heroFadeIn 1.2s 0.2s ease both}
.hero-title{font-size:clamp(48px,8vw,96px);font-weight:900;letter-spacing:12px;line-height:1.1;margin-bottom:32px;font-family:'Montserrat',sans-serif;background:linear-gradient(180deg,var(--white) 40%,var(--gray-400) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:heroFadeIn 1.2s 0.4s ease both}
.hero-tagline{font-size:18px;font-weight:300;color:var(--gold);letter-spacing:2px;margin-bottom:8px;animation:heroFadeIn 1.2s 0.6s ease both}
.hero-tagline-en{font-size:13px;font-weight:300;color:var(--gray-600);letter-spacing:1px;animation:heroFadeIn 1.2s 0.7s ease both}
.hero-scroll{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--gray-600);font-size:11px;letter-spacing:2px;animation:scrollBounce 2s ease-in-out infinite;transition:opacity 0.2s}
.hero-scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--gray-600),transparent)}
.hero-mute-btn{position:absolute;bottom:32px;right:32px;z-index:10;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,0.2);background:rgba(10,10,15,0.6);backdrop-filter:blur(10px);color:var(--white);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.hero-mute-btn:hover{border-color:var(--amber);background:rgba(255,191,0,0.1)}
.hero-mute-btn svg{width:20px;height:20px;fill:currentColor}
.hero-mute-btn.muted .icon-unmuted{display:none}
.hero-mute-btn.muted .icon-muted{display:block}
.hero-mute-btn:not(.muted) .icon-unmuted{display:block}
.hero-mute-btn:not(.muted) .icon-muted{display:none}

/* ── Section Common ── */
.section-label{font-size:11px;letter-spacing:4px;color:var(--amber);font-weight:500;margin-bottom:16px}
.section-title-ko{font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.3;margin-bottom:16px}
.section-desc{font-size:16px;font-weight:300;color:var(--gray-400);line-height:1.8;max-width:560px;margin-bottom:60px}

/* ── Element Box ── */
.element-row{display:flex;gap:16px;justify-content:center;margin-bottom:48px}
.element-box{display:flex;flex-direction:column;align-items:center;justify-content:center;width:72px;height:80px;border:1.5px solid var(--amber);border-radius:6px;font-family:var(--font-mono);background:rgba(255,191,0,0.04);transition:var(--transition);cursor:default}
.element-box:hover{background:rgba(255,191,0,0.1);box-shadow:0 0 24px rgba(255,191,0,0.15)}
.element-num{font-size:10px;color:var(--gray-400);margin-bottom:2px}
.element-sym{font-size:24px;font-weight:700;color:var(--white)}
.element-name{font-size:9px;color:var(--gray-600);margin-top:2px}

/* ── Tech Section ── */
.tech{padding:var(--section-pad);background:var(--black);position:relative}
.tech::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,191,0,0.2),transparent)}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tech-card{display:block;background:var(--black-card);border:1px solid rgba(255,255,255,0.06);border-radius:16px;padding:40px 32px;transition:var(--transition);position:relative;overflow:hidden}
.tech-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--amber),transparent);opacity:0;transition:opacity var(--transition)}
.tech-card:hover{border-color:rgba(255,191,0,0.15);transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,0.4)}
.tech-card:hover::before{opacity:1}
.tech-card-num{font-family:var(--font-mono);font-size:12px;color:var(--amber);letter-spacing:2px;margin-bottom:20px}
.tech-card-title{font-size:20px;font-weight:700;margin-bottom:12px;line-height:1.3}
.tech-card-sub{font-size:14px;font-weight:300;color:var(--gray-400);line-height:1.7}
.tech-card-visual{width:100%;height:140px;margin-top:24px;border-radius:8px;background:var(--black-light);border:1px solid rgba(255,255,255,0.04);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--gray-600);overflow:hidden}
.tech-card-visual img{width:100%;height:100%;object-fit:cover}

/* ── Products Section ── */
.products{padding:var(--section-pad);background:var(--black-light);position:relative}
.products::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,191,0,0.15),transparent)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{background:var(--black-card);border:1px solid rgba(255,255,255,0.06);border-radius:16px;overflow:hidden;transition:var(--transition);position:relative}
.product-card:hover{border-color:rgba(255,191,0,0.15);transform:translateY(-4px);box-shadow:0 20px 60px rgba(0,0,0,0.4)}
.product-badge{position:absolute;top:16px;left:16px;padding:4px 12px;border-radius:100px;font-size:11px;font-weight:700;letter-spacing:1px;z-index:2}
.badge-new{background:var(--amber);color:var(--black)}
.product-img{width:100%;height:240px;background:var(--black);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--gray-600);border-bottom:1px solid rgba(255,255,255,0.04);overflow:hidden}
.product-img img{width:100%;height:100%;object-fit:cover}
.product-info{padding:24px}
.product-category{font-size:11px;letter-spacing:2px;color:var(--amber);font-weight:500;margin-bottom:8px}
.product-name{font-size:18px;font-weight:700;margin-bottom:8px}
.product-desc{font-size:13px;color:var(--gray-400);line-height:1.6}
.product-cta{display:inline-flex;align-items:center;gap:6px;margin-top:16px;padding:8px 0;font-size:13px;color:var(--amber);font-weight:500;transition:var(--transition)}
.product-cta:hover{gap:10px}
.product-cta-arrow{display:inline-block;width:16px;height:1px;background:var(--amber);position:relative;transition:width var(--transition)}
.product-cta-arrow::after{content:'';position:absolute;right:-1px;top:-3px;width:7px;height:7px;border-right:1px solid var(--amber);border-top:1px solid var(--amber);transform:rotate(45deg)}
.product-cta:hover .product-cta-arrow{width:24px}
.product-price{font-size:16px;font-weight:700;color:var(--white);margin-bottom:12px;margin-top:12px}
.product-section-title{font-size:22px;font-weight:700;color:var(--amber);margin-bottom:24px}

/* ── Section CTA ── */
.section-cta{text-align:center;margin-top:48px}
.cta-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--amber);transition:var(--transition)}
.cta-link:hover{gap:12px}

/* ── Fandom Summary ── */
.fandom-summary{padding:var(--section-pad);background:var(--black-light);position:relative;text-align:center}
.fandom-summary::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,191,0,0.15),transparent)}
.fandom-summary-content{max-width:640px;margin:0 auto}
.fandom-tier-preview{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.tier-tag{padding:8px 20px;border-radius:100px;font-size:13px;font-weight:500;border:1px solid rgba(255,255,255,0.1);color:var(--gray-400);letter-spacing:1px}
.tier-tag.highlight{border-color:var(--amber);color:var(--amber)}
.tier-tag.premium{border:2px solid var(--amber);color:var(--amber);font-weight:700;background:rgba(255,191,0,0.06)}
.campaign-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:100px;background:var(--amber);color:var(--black);font-size:14px;font-weight:700;letter-spacing:1px;transition:var(--transition);border:none;cursor:pointer;font-family:var(--font-sans)}
.campaign-btn:hover{background:var(--amber-light);box-shadow:0 0 30px rgba(255,191,0,0.3)}

/* ── News Summary ── */
.news-summary{padding:var(--section-pad);background:var(--black);position:relative}
.news-summary::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,191,0,0.15),transparent)}
.news-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.news-summary-card{display:block;background:var(--black-card);border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:28px;transition:var(--transition)}
.news-summary-card:hover{border-color:rgba(255,191,0,0.15);background:var(--black-light);transform:translateY(-4px)}
.news-card-tag{font-size:11px;letter-spacing:2px;color:var(--amber);margin-bottom:8px}
.news-card-title{font-size:16px;font-weight:500;margin-bottom:6px;line-height:1.4}
.news-card-date{font-size:12px;color:var(--gray-600)}

/* ── Brand Core ── */
.brand-core{padding:100px 0;text-align:center;background:var(--black);position:relative}
.brand-core::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 50% 50% at 50% 50%,rgba(255,191,0,0.05) 0%,transparent 70%);pointer-events:none}
.brand-core-tagline{font-size:clamp(24px,3vw,36px);font-weight:300;letter-spacing:6px;color:var(--gold);margin-bottom:16px;position:relative;font-family:'Montserrat',sans-serif}
.brand-core-categories{font-size:14px;color:var(--gray-600);letter-spacing:3px;position:relative}
.brand-divider-line{width:60px;height:1px;background:var(--amber);margin:32px auto 0;position:relative}

/* ── Animations ── */
@keyframes heroFadeIn{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes scrollBounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.8s ease,transform 0.8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ── Responsive ── */
@media(max-width:768px){
  .inner{padding:0 20px}
  :root{--section-pad:80px 0}
  .tech-grid,.product-grid{grid-template-columns:1fr}
  .news-summary-grid{grid-template-columns:1fr}
  .element-row{gap:10px}
  .element-box{width:60px;height:68px}
  .element-sym{font-size:20px}
  .hero-title{letter-spacing:6px}
  .hero-mute-btn{bottom:20px;right:20px;width:40px;height:40px}
  .hero-mute-btn svg{width:16px;height:16px}
  .hero{height:auto}
  .hero-sticky{position:relative;height:auto;display:flex;flex-direction:column}
  .hero-video-bg{position:relative;inset:auto;width:100%;aspect-ratio:16/9;margin-top:60px;filter:none!important;overflow:hidden}
  .hero-video-bg video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transform:none}
  .hero-video-overlay{display:none}
  .hero-content{position:relative;height:auto;padding:40px 20px 60px;background:var(--black)}
  .hero-welcome{animation:none;opacity:1}
  .hero-title{font-size:36px;letter-spacing:4px;animation:none;opacity:1;background:none;-webkit-background-clip:unset;-webkit-text-fill-color:var(--white);color:var(--white)}
  .hero-tagline{animation:none;opacity:1}
  .hero-tagline-en{animation:none;opacity:1}
  .hero-scroll{display:none}
  .hero-mute-btn{position:absolute;top:auto;bottom:12px;right:12px;z-index:10}
  .fandom-tier-preview{gap:8px}
  .tier-tag{padding:6px 14px;font-size:12px}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
}