:root{--bg:#f4f6f5;--surface:#fafbfa;--text:#18201f;--muted:#697371;--line:#d9dfdd;--dark:#101817;--accent:#6f9d91;--accent-light:#a9c9c0;--page:1120px;--reading:720px;--gutter:clamp(1.25rem,4vw,3rem);--section:clamp(4rem,8vw,7rem)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration-color:#9ba5a2;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{text-decoration-color:var(--accent)}a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}img{display:block;max-width:100%}.page-width{width:min(calc(100% - (var(--gutter) * 2)),var(--page));margin-inline:auto}
.site-header{min-height:76px;padding-inline:max(var(--gutter),calc((100vw - var(--page))/2));display:flex;justify-content:space-between;align-items:center;gap:2rem;background:var(--dark);color:#f4f7f6;border-bottom:1px solid rgba(255,255,255,.09)}.brand{display:flex;align-items:center;gap:.75rem;color:inherit;text-decoration:none;font-size:.78rem;font-weight:650;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap}.brand-mark{width:25px;height:32px;filter:brightness(0) invert(1);opacity:.9}.site-nav{display:flex;align-items:center;gap:clamp(1.25rem,3vw,2.5rem)}.site-nav a{color:#b9c1bf;text-decoration:none;font-size:.75rem;letter-spacing:.08em}.site-nav a:hover,.site-nav a[aria-current="page"]{color:#fff}
.hero-shell{position:relative;min-height:min(590px,calc(100vh - 76px));overflow:hidden;display:flex;align-items:center;background:var(--dark) url("../images/lighthouse-hero.jpg") center/cover no-repeat;color:#f5f7f6}.hero-scene{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.hero-photo{filter:saturate(.3) contrast(.95)}.hero-overlay{position:absolute;z-index:1;inset:0;background:linear-gradient(90deg,#101817 5%,rgba(16,24,23,.97) 36%,rgba(16,24,23,.62) 64%,rgba(16,24,23,.28))}.svg-beacon{mix-blend-mode:screen}.svg-beam{opacity:0;transform-box:view-box;transform-origin:890px 206px;will-change:transform,opacity}.svg-beam-left{animation:beam-left-sweep 20s ease-in-out infinite}.svg-beam-right{animation:beam-right-sweep 20s ease-in-out infinite}.svg-lantern-glow{transform-box:view-box;transform-origin:890px 206px;animation:lantern-breathe 10s ease-in-out infinite}.hero-content{position:relative;z-index:2;padding-block:clamp(5rem,12vw,8rem)}.eyebrow{margin:0 0 .8rem;color:var(--accent);font-size:.7rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase}.eyebrow.light{color:var(--accent-light)}h1,h2,h3{line-height:1.2}h1{margin:0;font-size:clamp(2.65rem,7vw,5.25rem);font-weight:550;letter-spacing:-.045em}.hero-content h1{max-width:780px;color:#fff}.lead{margin:1.25rem 0 0;color:#dce3e1;font-size:clamp(1.05rem,2vw,1.25rem)}.blue-rule,.small-rule{display:block;height:1px;background:var(--accent)}.blue-rule{width:48px;margin:1.75rem 0}.small-rule{width:28px;margin:.75rem 0 1.4rem}.hero-intro{max-width:580px;margin:0;color:#b9c2bf;font-size:.96rem}
@keyframes beam-left-sweep{0%,100%{opacity:.72;transform:scaleX(1)}22%,78%{opacity:0;transform:scaleX(.08)}26%,74%{opacity:0;transform:scaleX(.08)}}@keyframes beam-right-sweep{0%,24%,76%,100%{opacity:0;transform:scaleX(.08)}28%,72%{opacity:0;transform:scaleX(.08)}50%{opacity:.58;transform:scaleX(1)}}@keyframes lantern-breathe{0%,100%{opacity:.72;transform:scale(.92)}50%{opacity:1;transform:scale(1.08)}}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);padding-block:var(--section);border-bottom:1px solid var(--line)}.pillar{padding:0 clamp(1.5rem,4vw,3.5rem);border-right:1px solid var(--line)}.pillar:first-child{padding-left:0}.pillar:last-child{padding-right:0;border-right:0}.icon-disc{width:42px;height:42px;margin-bottom:1.5rem;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%}.icon-disc img{width:20px;height:20px;opacity:.75}.pillar h2,.section-label{margin:0;font-size:.73rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.pillar p{margin:.8rem 0 0;color:var(--muted);font-size:.9rem}
.split-section{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(4rem,10vw,8rem);padding-block:var(--section)}.research-row{min-height:74px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:1rem;border-top:1px solid var(--line)}.research-row:last-of-type{border-bottom:1px solid var(--line)}.research-row h3,.principle h3{margin:0;font-size:.92rem;font-weight:600}.research-row h3 a,.arrow{text-decoration:none}.research-row time{display:block;margin-top:.15rem;color:var(--muted);font-size:.7rem;letter-spacing:.04em}.arrow{color:var(--muted);font-size:1.1rem}.research-row:hover .arrow{color:var(--accent);transform:translateX(3px)}.outline-button{display:inline-block;margin-top:1.5rem;padding:.65rem 1rem;border:1px solid #aeb6b3;text-decoration:none;font-size:.68rem;letter-spacing:.09em;text-transform:uppercase}.outline-button:hover{background:var(--dark);border-color:var(--dark);color:#fff}.principle{display:grid;grid-template-columns:28px 1fr;gap:1rem;margin:0 0 1.65rem}.principle img{width:23px;height:23px;opacity:.72}.principle p{margin:.3rem 0 0;color:var(--muted);font-size:.84rem}
.page-shell,.post{width:min(calc(100% - (var(--gutter) * 2)),var(--reading));min-height:calc(100vh - 152px);margin-inline:auto;padding-block:var(--section)}.page-shell h1,.post h1{font-size:clamp(2.5rem,6vw,4.25rem)}.page-shell>p:first-of-type+h1{margin-bottom:2rem}.page-shell h2,.post-body h2{margin:3.5rem 0 1rem;font-size:1.25rem;font-weight:600;letter-spacing:-.015em}.page-shell p,.post-body p,.post-body li{color:#46504e}.page-shell strong,.post-body strong{color:var(--text);font-weight:600}.post-row{display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:start;padding:1.6rem 0;border-top:1px solid var(--line)}.post-row:first-of-type{margin-top:3rem}.post-row:last-of-type{border-bottom:1px solid var(--line)}.post-row h2{margin:0 0 .35rem;font-size:1.05rem}.post-row h2 a{text-decoration:none}.post-row p{margin:0;font-size:.88rem}.post-row time{color:var(--muted);font-size:.7rem;white-space:nowrap;letter-spacing:.04em}.post .meta{margin-top:1rem;color:var(--muted);font-size:.75rem;letter-spacing:.05em;text-transform:uppercase}.post-body{margin-top:3.5rem}.post-body ol,.post-body ul{padding-left:1.25rem}.back-link{margin-top:4rem;padding-top:1.5rem;border-top:1px solid var(--line);font-size:.8rem}
.not-found{min-height:calc(100vh - 152px);display:flex;align-items:center}.not-found-inner{width:100%;padding-block:var(--section)}.not-found h1{font-size:clamp(3rem,8vw,6rem)}.not-found .intro{color:var(--muted)}.site-footer{background:var(--dark);color:#939d9a}.footer-inner{width:min(calc(100% - (var(--gutter) * 2)),var(--page));min-height:76px;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;font-size:.72rem}.footer-inner a{color:#b8c8c3;text-decoration:none}
@media(max-width:760px){.site-header{min-height:68px;gap:1rem}.brand span{display:none}.brand-mark{width:23px;height:29px}.site-nav{gap:1rem}.site-nav a{font-size:.67rem}.hero-shell{min-height:520px}.hero-scene{opacity:.45}.hero-overlay{background:linear-gradient(90deg,rgba(16,24,23,.98),rgba(16,24,23,.72))}.pillars{grid-template-columns:1fr;padding-block:2rem}.pillar,.pillar:first-child,.pillar:last-child{padding:2rem 0;border-right:0;border-bottom:1px solid var(--line)}.pillar:last-child{border-bottom:0}.icon-disc{margin-bottom:1rem}.split-section{grid-template-columns:1fr;gap:4rem}.post-row{grid-template-columns:1fr;gap:.5rem}.post-row time{grid-row:1}.footer-inner{min-height:96px;flex-direction:column;align-items:flex-start;justify-content:center;gap:.2rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}.svg-beam{display:none}.svg-lantern-glow{animation:none;opacity:.72}}