:root{--ink:#1b2821;--muted:#657168;--green:#176b47;--green-dark:#104b34;--sage:#e3eee7;--paper:#f4f2eb;--card:#fffdf8;--line:#d8ddd6;--warm:#ebe5d7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.landing{width:min(1180px,calc(100% - 40px));margin:auto}.landing-nav{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:24px 0;border-bottom:1px solid var(--line)}.brand{color:var(--ink);font:700 1.65rem Georgia,serif;letter-spacing:-.025em;text-decoration:none}.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:22px}.nav-links a{color:#526058;font-size:.91rem;font-weight:650;text-decoration:none}.nav-links a:hover{color:var(--green)}.nav-login{padding:9px 13px;border:1px solid #bdc9c0;border-radius:8px}.home-hero{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,.65fr);gap:70px;align-items:center;padding:92px 0 100px}.eyebrow{color:var(--green);font-size:.76rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.hero-copy h1{max-width:800px;margin:.25em 0 .22em;font:500 clamp(3.4rem,6.5vw,6rem)/.98 Georgia,serif;letter-spacing:-.055em}.hero-copy>p{max-width:720px;margin:0;color:var(--muted);font-size:1.18rem;line-height:1.72}.actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:31px}.button{display:inline-flex;justify-content:center;padding:13px 19px;border-radius:9px;font-weight:760;text-decoration:none}.primary{background:var(--green);color:#fff}.primary:hover{background:var(--green-dark)}.text-link{color:var(--green-dark);font-weight:750;text-decoration:none}.text-link span{margin-left:5px}.welcome-note{padding:30px 30px 28px;border-top:3px solid var(--green);background:var(--card);box-shadow:0 14px 38px rgba(45,56,49,.08)}.note-label{color:var(--green);font-size:.75rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}.welcome-note h2{margin:13px 0 10px;font:600 1.8rem/1.18 Georgia,serif}.welcome-note p{margin:0;color:var(--muted);line-height:1.65}.welcome-note ul{display:grid;gap:10px;margin:23px 0 0;padding:20px 0 0;border-top:1px solid var(--line);list-style:none}.welcome-note li{display:flex;align-items:center;gap:10px;color:#425148;font-size:.9rem}.welcome-note li:before{content:"✓";display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--sage);color:var(--green);font-size:.72rem;font-weight:900}.current-studies{padding:84px 0 96px;border-top:1px solid var(--line)}.section-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,410px);gap:40px;align-items:end;margin-bottom:34px}.section-heading h2,.about h2{margin:.28em 0 0;font:500 clamp(2.3rem,4vw,3.7rem)/1.05 Georgia,serif;letter-spacing:-.04em}.section-heading>p{margin:0;color:var(--muted);line-height:1.65}.study-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.study-card{display:flex;min-height:330px;flex-direction:column;padding:25px;border:1px solid var(--line);border-radius:14px;background:var(--card);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.study-card:hover{transform:translateY(-3px);border-color:#b8c9bd;box-shadow:0 14px 34px rgba(42,56,47,.08)}.study-card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:28px}.study-card time{color:#7c867f;font-size:.72rem}.live-state{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-size:.72rem;font-weight:800}.live-state i{width:7px;height:7px;border-radius:50%;background:#2f9d67;box-shadow:0 0 0 4px #e2f1e8}.study-owner{margin:0 0 8px;color:var(--green);font-size:.77rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.study-card h3{margin:0;font:600 1.55rem/1.15 Georgia,serif}.study-subtitle{margin:9px 0 0;color:#46534b;font-weight:650}.study-description{margin:17px 0 25px;color:var(--muted);font-size:.92rem;line-height:1.62}.study-link{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:17px;border-top:1px solid var(--line);color:var(--green-dark);font-weight:800;text-decoration:none}.study-link span{font-size:1.25rem;transition:transform .18s}.study-link:hover span{transform:translateX(4px)}.study-empty{display:flex;align-items:center;gap:18px;padding:28px;border:1px dashed #b9c4bc;border-radius:13px;background:rgba(255,253,248,.55)}.study-empty>span{font-size:2.2rem;color:#8ba093}.study-empty strong{display:block;margin-bottom:5px}.study-empty p{margin:0;color:var(--muted);line-height:1.55}.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.75fr);gap:70px;padding:94px 0;border-top:1px solid var(--line)}.about-copy{padding-top:22px}.about-copy p{margin:0 0 18px;color:var(--muted);font-size:1.02rem;line-height:1.75}.principles{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:18px;border:1px solid var(--line);background:var(--line)}.principles article{padding:26px;background:var(--paper)}.principles span{color:var(--green);font:700 .78rem Georgia,serif}.principles h3{margin:17px 0 8px;font-size:1.05rem}.principles p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.6}.landing footer{display:grid;grid-template-columns:auto 1fr auto;gap:25px;align-items:center;padding:27px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.84rem}.landing footer p{margin:0;text-align:center}.landing footer div{display:flex;gap:17px}.landing footer a{color:inherit}.landing footer a:hover{color:var(--green)}@media(max-width:940px){.nav-links{gap:14px}.nav-links a{font-size:.84rem}.home-hero{grid-template-columns:1fr;gap:40px;padding:65px 0 75px}.welcome-note{max-width:620px}.study-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.about{grid-template-columns:1fr;gap:25px}.about-copy{padding-top:0}}@media(max-width:700px){.landing{width:min(100% - 28px,1180px)}.landing-nav{align-items:flex-start}.nav-links{flex-wrap:wrap}.nav-links a:not(.nav-login):not(:first-child){display:none}.hero-copy h1{font-size:clamp(3rem,14vw,4.6rem)}.hero-copy>p{font-size:1.05rem}.section-heading{grid-template-columns:1fr;gap:14px}.study-grid,.principles{grid-template-columns:1fr}.study-card{min-height:0}.current-studies,.about{padding:68px 0}.landing footer{grid-template-columns:1fr;text-align:center}.landing footer p{text-align:center}.landing footer div{justify-content:center;flex-wrap:wrap}}@media(max-width:430px){.landing-nav{gap:12px}.nav-links{gap:8px}.nav-login{padding:7px 9px}.home-hero{padding-top:50px}.actions{align-items:flex-start;flex-direction:column}.welcome-note{padding:24px}.study-card-top{align-items:flex-start;flex-direction:column}.study-empty{align-items:flex-start}}