.ech-header{position:sticky;top:0;z-index:40}
.ech-header-bar{width:100%;backdrop-filter:blur(18px)}
.ech-header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;padding-block:8px}
.ech-logo-wrap{display:flex;align-items:center;gap:12px}
.ech-logo-link{display:inline-flex;align-items:center;gap:12px;color:#f5f1ea}
.ech-logo-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:radial-gradient(circle at 30% 0,#f5f1ea,rgba(200,162,79,0.3));color:#1e1915;font-family:var(--font-sans);font-size:0.95rem;letter-spacing:0.16em;border:1px solid rgba(200,162,79,0.9);box-shadow:0 12px 26px rgba(0,0,0,0.45)}
.ech-logo-text{display:flex;flex-direction:column}
.ech-logo-title{font-family:var(--font-sans);font-size:1.05rem;letter-spacing:0.14em;text-transform:uppercase;color:#f5f1ea}
.ech-logo-subtitle{font-family:var(--font-sans-alt);font-size:0.7rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--color-accent)}
.ech-nav{display:flex;align-items:center}
.ech-nav-list{display:flex;align-items:center;gap:4px}
.ech-nav-item{position:relative}
.ech-nav-cta-wrap{margin-left:12px}
.ech-nav-cta{white-space:nowrap}
.ech-nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;border-radius:999px;border:1px solid rgba(214,200,179,0.8);background:rgba(12,9,7,0.92);color:#f5f1ea;gap:6px;transition:background-color var(--transition-base),border-color var(--transition-base),transform var(--transition-fast)}
.ech-nav-toggle-bar{width:18px;height:1.5px;border-radius:999px;background:#f5f1ea;transition:transform var(--transition-base),opacity var(--transition-base),width var(--transition-base)}
.ech-nav-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}
.ech-nav-toggle.is-open{background:rgba(12,9,7,0.96);transform:translateY(1px)}
.ech-nav-toggle.is-open .ech-nav-toggle-bar:nth-child(1){transform:translateY(3.5px) rotate(40deg);width:20px}
.ech-nav-toggle.is-open .ech-nav-toggle-bar:nth-child(2){transform:translateY(-3.5px) rotate(-40deg);width:20px}
@media (max-width:960px){.ech-nav{position:fixed;inset-inline:0;top:64px;transform:translateY(-120%);opacity:0;pointer-events:none;transition:opacity var(--transition-base),transform var(--transition-base);background:radial-gradient(circle at 0 0,#362e28 0,#140f0c 60%);border-bottom:1px solid rgba(214,200,179,0.7);box-shadow:0 18px 45px rgba(0,0,0,0.75)}.ech-nav-list{flex-direction:column;align-items:center;padding-block:16px}.ech-nav-item{width:100%;text-align:center}.ech-nav-item .nav-link{display:inline-block;width:100%;padding-inline:1.25rem}.ech-nav-cta-wrap{margin-left:0;margin-top:4px}.ech-nav-cta{width:auto}.ech-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}.ech-nav-toggle{display:flex}}
@media (max-width:640px){.ech-header-inner{min-height:64px}.ech-logo-subtitle{display:none}.ech-logo-title{font-size:0.95rem}}
@media (prefers-reduced-motion:reduce){.ech-nav,.ech-nav-toggle{transition:none}.ech-nav-toggle-bar{transition:none}}