:root{--bg-canvas:#fbf1f0;--bg-surface:#fff;--bg-surface-hover:#f5e6eb;--text-primary:#1c1917;--text-muted:#66545d;--accent-primary:#6b2155;--accent-secondary:#8b426d;--border-subtle:#ddc8d3;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(45,20,34,.15);--glow-accent:0 0 24px -4px rgba(107,33,85,.15);--glass-backdrop:blur(16px) saturate(180%)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:16px/1.75 system-ui,-apple-system,"Segoe UI",sans-serif;overflow-wrap:anywhere;hyphens:auto}
img,svg{display:block;max-width:100%}
img{width:100%;height:100%;object-fit:cover}
a{color:var(--accent-primary);text-underline-offset:4px}
a:hover{text-decoration-thickness:2px}
button,input,textarea,select{font:inherit}
button,a,input,textarea,summary{ -webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid var(--accent-primary);outline-offset:5px}
h1,h2,h3,.eyebrow,.button,.site-nav,.brand,.fact-label{font-family:"Arial Narrow","Helvetica Neue",Arial,sans-serif;text-transform:uppercase;letter-spacing:.12em;line-height:1.2;hyphens:none}
h1{font-size:clamp(2.1rem,5.1vw,4.5rem);font-weight:500;margin:.4em 0}
h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:500;margin:0 0 1rem}
h3{font-size:1rem;margin:0 0 .75rem}
p{margin:0 0 1.2rem}
small,.caption,figcaption{font-size:.82rem;color:var(--text-muted)}
figure{margin:0}
figcaption{padding:.65rem 0;line-height:1.6}
.wrap{width:min(1200px,calc(100% - 64px));margin-inline:auto}
.skip-link{position:absolute;left:20px;top:-100px;z-index:20;background:#fff;padding:12px}
.skip-link:focus{top:12px}
.site-header{position:relative;background:var(--bg-surface);padding:24px 0 16px;border-bottom:1px solid var(--border-subtle)}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:12px;font-size:1.13rem;letter-spacing:.09em;color:var(--text-primary);text-decoration:none;flex-shrink:0}
.brand-mark{display:grid;place-items:center;width:34px;height:38px;border-left:3px solid var(--accent-primary);border-bottom:3px solid var(--accent-primary);color:var(--accent-primary);font-size:25px}
.brand small{display:block;font-size:.58rem;letter-spacing:.2em;margin-top:5px}
.site-nav{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:22px;font-size:.69rem;font-weight:600}
.site-nav a{color:var(--text-primary);text-decoration:none;padding-bottom:5px;border-bottom:2px solid transparent}
.site-nav a:hover,.site-nav a[aria-current=page]{border-color:var(--accent-primary);color:var(--accent-primary)}
.menu-toggle{display:none;background:transparent;border:1px solid var(--border-subtle);color:var(--accent-primary);width:43px;height:43px;font-size:30px;line-height:1;cursor:pointer}
.eyebrow{font-size:.72rem;color:var(--accent-primary);font-weight:700;margin-bottom:1rem}
.hero{position:relative;min-height:640px;background:#30272c;color:#fff;isolation:isolate}
.hero .shoreline-hero-image{position:absolute;inset:0;width:100%;height:100%;z-index:-3;filter:brightness(.62) saturate(.55)}
.hero:before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(28,19,25,.8),rgba(28,19,25,.08)),radial-gradient(ellipse at 80% 10%,rgba(107,33,85,.3),transparent 65%);background-size:200% 200%;animation:gradientShift 12s ease infinite}
.hero-content{padding-top:88px;padding-bottom:130px;max-width:760px}
.hero h1{max-width:16ch}
.hero .eyebrow,.hero p{color:#f9e9ee}
.hero p{max-width:49ch;font-size:1.08rem}
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:transparent;border:1px solid var(--accent-primary);padding:14px 20px;color:var(--accent-primary);font-size:.72rem;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .35s var(--ease-kinetic),box-shadow .35s,background .35s}
.button:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover)}
.hero .button{border-color:#fff;color:#fff}
.hero .button:hover{background:rgba(107,33,85,.6)}
.fieldnote{position:absolute;right:max(32px,calc((100% - 1200px)/2));bottom:32px;width:min(390px,calc(100% - 64px));padding:23px;background:rgba(255,248,250,.94);color:var(--text-primary);box-shadow:var(--shadow-elevation);backdrop-filter:var(--glass-backdrop);border-top:3px solid var(--accent-primary)}
.fieldnote dl{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin:0}
.fieldnote dt{font-size:.7rem;color:var(--accent-primary);font-weight:700}
.fieldnote dd{font-size:.8rem;line-height:1.5;margin:5px 0 0}
.section{padding:80px 0}
.intro{max-width:72ch;margin-inline:auto}
.lead{font-size:1.15rem;line-height:1.8;color:#4e3a46}
.chapter{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:64px;padding:52px 0}
.chapter.reverse{grid-template-columns:1fr 1.05fr}
.chapter.reverse .chapter-media{order:-1}
.chapter-media .photo{aspect-ratio:4/3}
.chapter-copy p{max-width:64ch}
.chapter-index{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.badge{display:inline-grid;place-items:center;border:1px solid var(--accent-primary);width:43px;height:43px;border-radius:50%;font-size:.78rem;color:var(--accent-primary);flex-shrink:0}
.chapter-index .eyebrow{margin:0}
.tinted{background:radial-gradient(ellipse at 12% 45%,rgba(107,33,85,.08),transparent 65%)}
.viewpoint-tint{background:radial-gradient(ellipse at 90% 50%,rgba(107,33,85,.08),transparent 65%)}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px}
.guide-card{background:var(--bg-surface);box-shadow:0 6px 24px rgba(45,20,34,.07);transition:transform .4s var(--ease-kinetic),box-shadow .4s}
.guide-card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent)}
.guide-card .photo{aspect-ratio:4/3}
.card-copy{padding:28px}
.card-copy p{font-size:.94rem}
.guide-card a{font-weight:600}
.safety-note{border-left:3px solid var(--accent-primary);padding:24px 28px;background:var(--bg-surface);margin:28px 0}
.safety-note p:last-child{margin-bottom:0}
.faq-list{max-width:72ch;margin-inline:auto}
details{border-bottom:1px solid var(--border-subtle);padding:20px 0}
summary{cursor:pointer;font-weight:600;color:var(--accent-primary);padding-right:20px}
details p{margin:15px 0 0}
.page-heading{padding:65px 0 35px}
.page-heading h1{max-width:22ch}
.page-heading .lead{max-width:67ch}
.article-meta{font-size:.8rem;color:var(--text-muted)}
.banner-photo{aspect-ratio:16/9;max-height:530px}
.reading{max-width:72ch;margin:0 auto}
.reading section{margin:45px 0}
.reading h2{font-size:1.5rem}
.reading h3{margin-top:25px}
.reading ul,.reading ol{padding-left:24px}
.reading li{margin-bottom:10px}
.article-body{padding-bottom:70px}
.annotation{background:#fff;padding:30px;margin:35px 0}
.formation-silhouettes{width:100%;height:auto;color:var(--accent-primary)}
.silhouette-rock{fill:#6b2155}
.silhouette-water{stroke:#ac8099;stroke-width:2;fill:none}
.silhouette-label{font:13px system-ui,sans-serif;fill:#1c1917}
.comparison-row{display:grid;grid-template-columns:150px 1fr;gap:22px;padding:20px 0;border-bottom:1px solid var(--border-subtle)}
.comparison-row dt{font-weight:700;color:var(--accent-primary)}
.comparison-row dd{margin:0}
.next-guide{display:flex;justify-content:space-between;align-items:center;gap:24px;border-top:1px solid var(--border-subtle);padding-top:30px;margin-top:40px}
.contact-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;padding:20px 0 80px}
.contact-composer{background:var(--bg-surface);padding:32px}
.form-field{margin-bottom:24px}
label{display:block;font-weight:600;margin-bottom:7px}
input,textarea,select{width:100%;border:0;border-bottom:1px solid var(--border-subtle);background:#fff;padding:12px 0;border-radius:0;color:var(--text-primary)}
textarea{min-height:170px;resize:vertical}
.tool-actions{display:flex;flex-wrap:wrap;gap:12px}
.tool-status{min-height:2em;color:var(--accent-primary);margin-top:16px;font-size:.9rem}
.message-preview{white-space:pre-wrap;font:inherit;font-size:.9rem;background:var(--bg-canvas);padding:20px;max-height:350px;overflow:auto}
.contact-aside{padding-top:20px}
.contact-aside h2{font-size:1.3rem}
.site-footer{background:#fff;border-top:1px solid var(--border-subtle);padding:40px 0}
.footer-grid{display:flex;justify-content:space-between;align-items:flex-start;gap:30px}
.footer-brand{font-weight:650;color:var(--text-primary);text-decoration:none}
.footer-links{display:flex;flex-wrap:wrap;gap:20px;font-size:.88rem}
.site-footer p{font-size:.8rem;color:var(--text-muted);margin:8px 0}
.footer-note{max-width:60ch}
.js-reveals .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}
.js-reveals .reveal-visible{opacity:1;transform:translateY(0)}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@media(min-width:1025px){.chapter-copy{padding:10px 0}.hero-content{padding-top:105px}}
@media(min-width:769px) and (max-width:1024px){.chapter{gap:35px}.site-nav{gap:16px}.hero{min-height:680px}.contact-layout{gap:32px}}
@media(max-width:768px){.wrap{width:calc(100% - 40px)}.site-header{padding:18px 0}.menu-toggle{display:block}.site-nav{display:flex;gap:16px 22px}.js-ready .site-nav{display:none;position:absolute;top:100%;left:0;right:0;margin:0;padding:25px 20px;background:#fff;border-bottom:2px solid var(--accent-primary);box-shadow:var(--shadow-elevation);z-index:10;flex-direction:column;animation:menuDrop .3s var(--ease-kinetic)}.js-ready .site-nav.is-open{display:flex}.site-nav a{width:fit-content;font-size:.8rem}.hero{min-height:750px}.hero-content{padding-top:60px;padding-bottom:260px}.fieldnote{right:20px;bottom:25px;width:calc(100% - 40px)}.section{padding:50px 0}.chapter,.chapter.reverse{grid-template-columns:1fr;gap:24px;padding:35px 0}.chapter.reverse .chapter-media{order:0}.chapter-media{order:0}.chapter-copy{order:-1}.chapter.reverse .chapter-copy{order:-1}.page-heading{padding:40px 0 25px}.contact-layout{grid-template-columns:1fr;gap:22px}.footer-grid{flex-direction:column;gap:20px}.next-guide{align-items:flex-start;flex-direction:column}.comparison-row{grid-template-columns:1fr;gap:6px}}
@media(min-width:481px) and (max-width:768px){.hero h1{max-width:17ch}.guide-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}}
@media(max-width:480px){.wrap{width:calc(100% - 32px)}.brand{font-size:.95rem;gap:8px}.brand small{font-size:.52rem}.brand-mark{width:28px}.hero h1{font-size:2.15rem}.hero-content{padding-top:45px}.hero{min-height:740px}.fieldnote{right:16px;width:calc(100% - 32px);padding:19px}.fieldnote dl{gap:10px}.fieldnote dd{font-size:.73rem}.guide-grid{grid-template-columns:minmax(0,1fr)}.contact-composer{padding:22px}.button{padding:13px 15px}.annotation{padding:16px}}
@keyframes menuDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js-reveals .reveal{opacity:1;transform:none}.button:hover,.guide-card:hover{transform:none}}