:root{--c-primary:#2A6F4E;--c-primary-alt:#3D8A64;--c-accent:#C5A35A;--c-bg:#FFFFFF;--c-surface:#FAFBFB;--c-text:#0E0F10;--c-muted:#6B7378;--c-border:#D8DEE2;--c-danger:#B00020;--radius:12px;--shadow:0 2px 10px rgba(0, 0, 0, .06);--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial;background:var(--c-bg);color:var(--c-text)}body.artemis-app-page .site-header,body.artemis-app-page .site-main,body.artemis-app-page .site-footer,body.artemis-app-page .artemis-health-guide-page .container{padding:20px;max-width:960px;margin:0 auto}.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-border)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-4) 0}.brand{display:flex;align-items:center;gap:var(--sp-2);color:inherit;text-decoration:none}.brand-mark{font-size:1.4rem}.site-nav ul{display:flex;gap:var(--sp-4);list-style:none;margin:0;padding:0}.site-nav{display:flex;align-items:center;gap:var(--sp-5)}.site-nav a{text-decoration:none;color:var(--c-text);opacity:.85}.site-nav a:hover{opacity:1}.auth-links{display:flex;align-items:center;gap:var(--sp-3);margin-left:var(--sp-4)}.auth-link{padding:var(--sp-2) var(--sp-4);border-radius:6px;font-weight:500;transition:all 0.2s ease}.login-link,.dashboard-link{color:var(--c-primary);border:1px solid var(--c-primary);opacity:1}.login-link:hover,.dashboard-link:hover{background:var(--c-primary);color:#fff}.signup-link{background:var(--c-primary);color:#fff;opacity:1}.signup-link:hover{background:var(--c-primary-alt)}.logout-link{color:var(--c-muted);opacity:1}.logout-link:hover{color:var(--c-text)}.mobile-menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:var(--sp-2);z-index:1001}.hamburger-line{width:24px;height:2px;background:var(--c-text);transition:all 0.3s ease;border-radius:2px}.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1){transform:rotate(45deg) translate(6px,6px)}.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2){opacity:0}.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}@media (max-width:768px){.mobile-menu-toggle{display:flex}.site-nav{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--c-surface);flex-direction:column;align-items:flex-start;padding:var(--sp-7) var(--sp-4) var(--sp-4);box-shadow:-2px 0 10px rgb(0 0 0 / .1);transition:right 0.3s ease;z-index:1000;overflow-y:auto}.site-nav.is-open{right:0}.site-nav ul{flex-direction:column;width:100%;gap:0}.site-nav ul li{width:100%;border-bottom:1px solid var(--c-border)}.site-nav ul li a{display:block;padding:var(--sp-3) 0;width:100%}.auth-links{flex-direction:column;width:100%;margin-left:0;margin-top:var(--sp-4);gap:var(--sp-3)}.auth-link{width:100%;text-align:center}body.menu-open::before{content:'';position:fixed;top:0;left:0;width:100%;height:100%;background:rgb(0 0 0 / .5);z-index:999}body.menu-open{overflow:hidden}}.hero{padding:var(--sp-7) 0;text-align:center}.hero .sub{color:var(--c-muted)}.actions{display:flex;gap:var(--sp-3);justify-content:center;margin-top:var(--sp-4);flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1rem;border-radius:999px;border:1px solid #fff0;cursor:pointer;text-decoration:none}.btn-primary{background:var(--c-primary);color:#fff}.btn-secondary{background:#fff;border-color:var(--c-border);color:var(--c-text)}.btn-ghost{background:#fff0;border-color:var(--c-border);color:var(--c-text)}.card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:var(--sp-4)}.cards{display:grid;grid-template-columns:1fr;gap:var(--sp-4)}@media(min-width:720px){.cards{grid-template-columns:1fr 1fr}}.progress{height:6px;background:var(--c-border);border-radius:99px;overflow:hidden;margin:var(--sp-4) 0}.progress .bar{height:100%;width:0;background:linear-gradient(90deg,var(--c-primary),var(--c-primary-alt))}label{display:block;margin-bottom:var(--sp-3)}input[type=text],input[type=date],input[type=time],input[type=search],select,textarea{width:100%;padding:.65rem .8rem;border:1px solid var(--c-border);border-radius:10px;background:#fff;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgb(42 111 78 / .15)}.checkbox{display:flex;align-items:flex-start;gap:.6rem}.checkbox input{margin-top:.2rem}.nav{display:flex;gap:var(--sp-3);margin-top:var(--sp-4)}.notice{padding:var(--sp-3);border-radius:10px;border:1px solid var(--c-border);background:var(--c-surface)}.notice.success{border-color:#2E7D32}.safety-banner{background:#FFF8E1;border:1px solid #F3E2A0;padding:var(--sp-3);border-radius:10px;margin-bottom:var(--sp-4)}.protocol-list{list-style:none;margin:0;padding:0}.protocol-item{border:1px solid var(--c-border);border-radius:10px;padding:var(--sp-3);margin-bottom:var(--sp-3);background:#fff}.protocol-item .row{display:flex;flex-wrap:wrap;gap:var(--sp-3)}.protocol-item .col{flex:1 1 150px}.badge{padding:.1rem .5rem;border-radius:999px;border:1px solid var(--c-border);font-size:.75rem}.badge-warning{background:#FFF3E0;border-color:#F3C48B}.page-header{margin-bottom:var(--sp-4)}.page-header .hero-img{border-radius:var(--radius)}.footer-inner{padding:var(--sp-5) 0;border-top:1px solid var(--c-border);display:flex;justify-content:space-between;align-items:center;gap:var(--sp-4);flex-wrap:wrap}.footer-nav ul{display:flex;gap:var(--sp-4);list-style:none;margin:0;padding:0;flex-wrap:wrap}.footer-nav a{text-decoration:none;color:var(--c-text);opacity:.85;font-size:.9rem}.footer-nav a:hover{opacity:1;text-decoration:underline}@media(max-width:768px){.footer-inner{flex-direction:column;text-align:center}.footer-nav ul{justify-content:center}}.how-grid{display:grid;grid-template-columns:1fr;gap:var(--sp-4)}@media(min-width:720px){.how-grid{grid-template-columns:repeat(3,1fr)}}#intake-toast{position:fixed;inset-inline:var(--sp-4);bottom:var(--sp-4);background:#fff;border:1px solid var(--c-border);border-radius:999px;padding:.5rem 1rem;box-shadow:var(--shadow);display:none}.plant-card h3{margin:0 0 .5rem 0}@media (prefers-reduced-motion:no-preference){.btn{transition:transform .15s ease,box-shadow .15s ease}.btn:active{transform:translateY(1px)}}