.pc-header{position:sticky;top:0;z-index:40;background:linear-gradient(to bottom,rgba(250,243,232,0.97),rgba(250,243,232,0.92));backdrop-filter:blur(14px);border-bottom:1px solid rgba(133,99,78,0.22)}.pc-header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-10);padding-block:var(--space-6)}.pc-header-brand{display:inline-flex;align-items:center;gap:var(--space-6);padding:var(--space-4) var(--space-6);border-radius:999px;background-color:rgba(255,253,248,0.96);border:1px solid rgba(148,109,84,0.32);box-shadow:0 6px 18px rgba(93,67,48,0.16);color:var(--color-coffee)}.pc-header-logo{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;background:radial-gradient(circle at 30% 0,#ffe9d6,#e3b896);box-shadow:0 4px 10px rgba(87,57,39,0.45);font-size:1.35rem;transform:rotate(-8deg)}.pc-header-texts{display:flex;flex-direction:column;gap:2px}.pc-header-title{font-weight:700;letter-spacing:0.05em;text-transform:uppercase;font-size:0.9rem;color:var(--color-coffee)}.pc-header-subtitle{max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pc-header-nav{display:flex;align-items:center;gap:var(--space-10)}.pc-header-nav-list{display:flex;align-items:center;gap:var(--space-4);list-style:none;margin:0;padding:0}.pc-header-nav-link{display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;border-radius:999px;font-size:0.9rem;font-weight:600;color:var(--color-muted);border:1px dashed transparent;background-color:transparent}.pc-header-nav-link:hover,.pc-header-nav-link:focus-visible{color:var(--color-coffee);border-color:rgba(152,110,84,0.45);background-color:rgba(255,252,246,0.98);box-shadow:0 3px 10px rgba(92,63,45,0.16)}.pc-header-nav-link[aria-current="page"]{color:var(--color-coffee);background-color:rgba(231,191,157,0.4);border-style:solid;border-color:rgba(147,102,73,0.75)}.pc-header-cta-wrap{display:flex;align-items:center}.pc-header-cta{font-size:0.85rem;padding-inline:var(--space-10)}.pc-header-toggle{display:none;align-items:center;gap:var(--space-4);padding:6px 12px;border-radius:999px;border:1px solid rgba(133,99,78,0.4);background-color:rgba(255,252,246,0.98);box-shadow:0 4px 10px rgba(92,63,45,0.2);color:var(--color-coffee)}.pc-header-toggle-box{width:20px;height:16px;position:relative;display:inline-flex;flex-direction:column;justify-content:space-between}.pc-header-toggle-line{height:2px;width:100%;border-radius:999px;background-color:var(--color-coffee);transform-origin:center;transition:transform var(--transition-fast),opacity var(--transition-fast),translate var(--transition-fast)}.pc-header-toggle-text{font-size:0.8rem;letter-spacing:0.16em;text-transform:uppercase}.pc-header-nav--open{display:flex}.pc-header-toggle[aria-expanded="true"] .pc-header-toggle-line:nth-child(1){transform:rotate(42deg) translateY(7px)}.pc-header-toggle[aria-expanded="true"] .pc-header-toggle-line:nth-child(2){transform:rotate(-42deg) translateY(-7px)}@media (max-width:960px){.pc-header-inner{padding-block:var(--space-4)}.pc-header-nav{position:fixed;inset-inline:var(--space-6);top:64px;max-width:480px;margin-inline:auto;flex-direction:column;align-items:stretch;padding:var(--space-10) var(--space-10) var(--space-8);border-radius:22px;background:var(--color-paper);border:var(--border-notebook);box-shadow:var(--shadow-elevated);transform-origin:top center;transform:scaleY(0.95) translateY(-10px);opacity:0;pointer-events:none;transition:opacity var(--transition-normal),transform var(--transition-normal)}.pc-header-nav-list{flex-direction:column;align-items:stretch;margin-bottom:var(--space-6)}.pc-header-nav-item{width:100%}.pc-header-nav-link{justify-content:flex-start;width:100%}.pc-header-cta-wrap{justify-content:flex-end}.pc-header-toggle{display:inline-flex}.pc-header-nav.pc-header-nav--open{opacity:1;pointer-events:auto;transform:scaleY(1) translateY(0)}.pc-header-brand{max-width:65%}.pc-header-subtitle{display:none}}@media (max-width:600px){.pc-header-inner{gap:var(--space-4)}.pc-header-brand{padding-inline:var(--space-4)}.pc-header-title{font-size:0.82rem}}