/* Header */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:100;transition:background .35s ease,border-color .35s ease,box-shadow .35s ease}.site-header__inner{max-width:var(--max-w-wide);margin:0 auto;padding:0 var(--space-xl);display:flex;align-items:center;justify-content:space-between;height:78px}.site-header.transparent{background:transparent}.site-header.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--clr-border);box-shadow:0 8px 26px rgba(0,0,0,.035)}.site-header__logo{display:flex;align-items:center}.site-header__logo-img{height:32px;width:auto}.site-header__nav{display:flex;gap:var(--space-2xl);align-items:center}.site-header__nav a{font-size:.84rem;color:var(--clr-text-dim);letter-spacing:.06em;position:relative;padding:var(--space-xs) 0;font-weight:520;transition:color var(--transition)}.site-header__nav a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--clr-accent);transition:width var(--transition)}.site-header__nav a:hover,.site-header__nav a.active{color:var(--clr-primary)}.site-header__nav a:hover::after,.site-header__nav a.active::after{width:100%}.site-header.transparent .site-header__nav a{color:rgba(255,255,255,.88)}.site-header.transparent .site-header__nav a.active,.site-header.transparent .site-header__nav a:hover{color:#fff}.site-header.transparent .site-header__nav a::after{background:var(--clr-accent)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;position:relative;z-index:102}.nav-toggle svg{width:22px;height:22px;stroke:var(--clr-text);transition:stroke var(--transition)}.site-header.transparent .nav-toggle svg{stroke:#fff}.nav-toggle.is-active svg{stroke:var(--clr-primary)}.nav-toggle__bar{transition:all .3s ease;transform-origin:center}.nav-toggle.is-active .nav-toggle__bar:nth-child(1){transform:translateY(6px) rotate(45deg)}.nav-toggle.is-active .nav-toggle__bar:nth-child(2){opacity:0}.nav-toggle.is-active .nav-toggle__bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:.86rem 2.05rem;font-size:.8rem;letter-spacing:.09em;font-weight:620;border:1px solid var(--clr-primary);color:var(--clr-primary);background:transparent;cursor:pointer;transition:all var(--transition);font-family:var(--font-sans);border-radius:var(--radius-sm);line-height:1}.btn:hover{background:var(--clr-primary);color:#fff;transform:translateY(-1px)}.btn--solid{background:var(--clr-primary);color:#fff;border-color:var(--clr-primary)}.btn--solid:hover{background:var(--clr-primary-dk);border-color:var(--clr-primary-dk)}.btn--white{border-color:rgba(255,255,255,.82);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(8px)}.btn--white:hover{background:#fff;color:var(--clr-primary);border-color:#fff}.btn--ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}.btn--ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.7)}
@media(max-width:1024px){.site-header__inner{height:68px;padding:0 var(--space-lg)}.site-header__logo-img{height:28px}.site-header__nav{gap:var(--space-xl)}}
@media(max-width:960px){.nav-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px}.site-header__nav{display:flex;position:fixed;top:0;right:0;width:288px;height:100vh;flex-direction:column;background:var(--clr-surface);box-shadow:-8px 0 32px rgba(0,0,0,.12);padding:82px var(--space-2xl) var(--space-2xl);gap:var(--space-xs);transform:translateX(100%);transition:transform .35s cubic-bezier(.25,.1,.25,1);z-index:101;overflow-y:auto}.site-header__nav.open{transform:translateX(0)}.site-header.transparent .site-header__nav a,.site-header__nav a{font-size:.96rem;color:var(--clr-text-dim);padding:var(--space-md) 0;border-bottom:1px solid var(--clr-border);display:block;width:100%}.site-header__nav a.active{color:var(--clr-primary)}.site-header__nav a:last-child{border-bottom:none}.site-header__nav a::after{display:none}.nav-overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:99;opacity:0;pointer-events:none;transition:opacity .35s ease}.nav-overlay.open{opacity:1;pointer-events:auto}}
@media(max-width:640px){.site-header__inner{height:60px}.site-header__logo-img{height:24px}.btn{font-size:.73rem;padding:.76rem 1.25rem;letter-spacing:.06em}}