:root{--ocean-deep: #073b59;--ocean-core: #086b9a;--signal-blue: #00a7d4;--foam-white: #ffffff;--coastal-mist: #edf4f6;--steel-line: #b9cbd1;--graphite: #18323e;--muted-ink: #526873;--alert-coral: #e15e42;--headline-face: "Arial Narrow", "Roboto Condensed", "Helvetica Neue Condensed", "Liberation Sans Narrow", sans-serif;--body-face: Arial, Helvetica, system-ui, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--graphite);background:var(--foam-white);font-family:var(--body-face);line-height:1.65}a{color:inherit}img{max-width:100%}h1,h2,h3,.signal-brand,.dispatch-call,button,summary,.signal-label{font-family:var(--headline-face);font-stretch:condensed;letter-spacing:0}h1,h2,h3{margin:0 0 .7rem;color:var(--ocean-deep);line-height:1.05}h1{max-width:780px;color:var(--foam-white);font-size:clamp(2.55rem,6vw,5.35rem);text-transform:uppercase}h2{font-size:clamp(1.85rem,3.4vw,3.05rem);text-transform:uppercase}h3{font-size:1.35rem}p{margin:0 0 1rem}.coast-header{position:sticky;z-index:30;top:0;color:var(--foam-white);background:var(--ocean-deep);border-bottom:4px solid var(--signal-blue)}.coast-header__line{width:min(1180px,calc(100% - 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32px));margin:auto;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,390px);align-items:center;gap:70px;padding:70px 0}.response-copy>p{max-width:720px;color:#eef9fc;font-size:1.16rem}.signal-label{margin-bottom:14px;color:var(--signal-blue);font-size:.82rem;font-weight:900;text-transform:uppercase}.signal-label--light{color:#83dff4}.response-actions{display:flex;align-items:center;gap:18px;margin-top:26px;color:var(--foam-white);font-size:.88rem;font-weight:700;text-transform:uppercase}.response-actions a{padding:12px 18px;color:var(--ocean-deep);background:var(--signal-blue);text-decoration:none;font-family:var(--headline-face);font-size:1.3rem;font-weight:900}.diagnostic-form{padding:25px;color:var(--graphite);background:#fffffff7;border-top:7px solid var(--signal-blue);box-shadow:0 18px 45px #02223140}.diagnostic-form__heading{margin-bottom:16px;color:var(--ocean-deep);font-family:var(--headline-face);font-size:1.65rem;font-weight:900;text-transform:uppercase}.diagnostic-form label{display:block;margin:0 0 12px;font-size:.76rem;font-weight:800;text-transform:uppercase}.diagnostic-form input,.diagnostic-form textarea{width:100%;margin-top:5px;padding:11px;border:1px solid var(--steel-line);border-radius:0;background:var(--foam-white);font:inherit}.diagnostic-form input:focus,.diagnostic-form textarea:focus{outline:3px solid rgba(0,167,212,.25);border-color:var(--ocean-core)}.diagnostic-form button{width:100%;padding:13px;border:0;color:var(--foam-white);background:var(--alert-coral);font-size:1rem;font-weight:900;text-transform:uppercase;cursor:pointer}.diagnostic-form p{margin:9px 0 0;color:var(--muted-ink);font-size:.74rem;text-align:center}.response-strip{display:grid;grid-template-columns:repeat(4,1fr);color:var(--foam-white);background:var(--ocean-core)}.response-strip span{padding:17px 22px;border-right:1px solid rgba(255,255,255,.25);font-family:var(--headline-face);font-weight:800;text-transform:uppercase}.response-strip b{margin-right:8px;color:#8ce6f5}.field-guide{width:min(1080px,calc(100% - 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