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(var(--gutter-mobile) * 2)));margin-inline:auto;}.prose{max-width:68ch;}.hero-copy{max-width:60ch;}.skip-link{position:fixed;z-index:1000;top:var(--space-3);left:var(--space-3);transform:translateY(-200%);padding:var(--space-2) var(--space-3);border-radius:var(--radius-control);background:var(--color-action);color:var(--color-surface);font-weight:700;text-decoration:none;transition:transform var(--duration-ui) var(--ease-out);}.skip-link:focus{transform:translateY(0);}@media (min-width:768px){.container{width:min(var(--container-max),calc(100% - (var(--gutter-tablet) * 2)));}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;scroll-behavior:auto !important;transition-duration:.01ms !important;}}.site-nav{min-height:44px;}.nav-toggle{min-width:44px;min-height:44px;}.nav-links a{text-decoration-thickness:1px;text-underline-offset:.2em;}.btn,button{min-height:44px;}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);border-radius:var(--radius-control);}.btn-primary,.btn-accent{background:var(--color-action);color:var(--color-surface);}.btn-primary:hover,.btn-accent:hover{background:var(--color-action-hover);}.card,.info-card{border-color:var(--color-line);}.card-list{margin-block:var(--space-4) 0;}.form-field{display:grid;gap:var(--space-2);margin-block-end:var(--space-5);}.form-field label{color:var(--color-muted);font-size:var(--small);font-weight:600;letter-spacing:.04em;text-transform:uppercase;}.form-field input,.form-field select,.form-field textarea{width:100%;min-height:44px;border:1px solid var(--color-line);border-radius:var(--radius-control);background:var(--color-surface);color:var(--color-text);padding:var(--space-3) var(--space-4);}.form-field textarea{min-height:140px;resize:vertical;}.section-head{margin-block-end:var(--space-6);}.site-footer{border-color:var(--color-line);}.u-stack-2{display:grid;gap:var(--space-2);}.u-stack-3{display:grid;gap:var(--space-3);}.u-stack-4{display:grid;gap:var(--space-4);}.u-row{display:flex;flex-wrap:wrap;gap:var(--space-3);}.u-row-center{align-items:center;justify-content:center;}.u-mt-2{margin-top:var(--space-2);}.u-mt-3{margin-top:var(--space-3);}.u-mt-4{margin-top:var(--space-4);}.u-mt-5{margin-top:var(--space-5);}.u-mt-6{margin-top:var(--space-6);}.u-mt-7{margin-top:var(--space-7);}.u-mb-3{margin-bottom:var(--space-3);}.u-text-muted{color:var(--color-muted);}.u-text-action{color:var(--color-action-ink);}.u-scroll-x{overflow-x:auto;}.u-iframe{width:100%;border:0;background:var(--color-surface);}.u-iframe-diagram{aspect-ratio:16 / 9;min-height:340px;}input:focus,select:focus,textarea:focus{border-color:var(--color-action);}.visually-hidden{position:absolute !important;width:1px !important;height:1px !important;padding:0 !important;margin:-1px !important;overflow:hidden !important;clip:rect(0,0,0,0) !important;white-space:nowrap !important;border:0 !important;}[role="status"],[aria-live]{min-height:1.5em;}.is-valid{color:var(--color-success);}.is-invalid,[aria-invalid="true"]{color:var(--color-danger);}.validation-message{margin-top:var(--space-2);font-size:var(--small);}.target-44{min-width:44px;min-height:44px;}@media (prefers-reduced-motion:reduce){.reveal{opacity:1 !important;transform:none !important;}}