:root{--navy:#071827;--blue:#0c6b8b;--teal:#23b5a7;--sand:#f5ead7;--sun:#ffb703;--ink:#10202f;--muted:#5d6b78;--card:#ffffff}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f8fbfc 0%,#edf8f7 45%,#fffaf0 100%)}a{color:inherit}nav{display:flex;gap:24px;align-items:center;max-width:1180px;margin:0 auto;padding:24px}nav a{text-decoration:none;color:#d9f8ff;font-weight:650}.brand{font-weight:900;font-size:1.35rem;color:white;margin-right:auto}.hero{background:radial-gradient(circle at 80% 10%,rgba(35,181,167,.45),transparent 35%),linear-gradient(135deg,#061626 0%,#0a5272 55%,#07948b 100%);color:white}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:42px;max-width:1180px;margin:0 auto;padding:70px 24px 96px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-weight:800;color:var(--sun);font-size:.78rem}.hero h1{font-size:clamp(2.6rem,6vw,5.8rem);line-height:.93;margin:10px 0 24px;letter-spacing:-.06em}.lead{font-size:1.25rem;line-height:1.65;color:#d8f5f5;max-width:740px}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.btn{display:inline-flex;padding:13px 18px;border-radius:999px;background:var(--sun);color:#17202a;text-decoration:none;font-weight:850;box-shadow:0 12px 28px rgba(0,0,0,.16)}.btn.ghost{background:rgba(255,255,255,.12);color:inherit;border:1px solid rgba(255,255,255,.28);box-shadow:none}.panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:28px;padding:26px;backdrop-filter:blur(12px);align-self:start}.stat{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.18);padding:14px 0}.stat b{font-size:2.3rem}.stat span{color:#d8f5f5}.fine{font-size:.88rem;color:#d8f5f5;line-height:1.55}main{max-width:1180px;margin:0 auto;padding:54px 24px}.intro{font-size:1.25rem;line-height:1.7;max-width:850px}.intro h2,.section-head h2,.downloads h2{font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.04em;margin:.2em 0}.month-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.month-card,.card,.downloads{background:var(--card);border:1px solid rgba(7,24,39,.08);border-radius:22px;padding:22px;box-shadow:0 16px 50px rgba(7,24,39,.08)}.month-card h3{margin:0 0 8px;color:var(--blue)}.month-card p{color:var(--muted);line-height:1.5}.section-head{margin-top:72px}.filters{display:flex;gap:12px;margin:20px 0}input,select{border:1px solid #cfdde2;border-radius:14px;padding:14px 15px;font:inherit;background:white}input{flex:1}.species-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.species-top{display:flex;justify-content:space-between;gap:12px;align-items:start}.species-top h3{margin:0;font-size:1.35rem}.species-top span{background:#e7f7f5;color:#096d67;border-radius:999px;padding:5px 10px;font-size:.78rem;font-weight:800}.sci{color:var(--muted);margin:.4rem 0 1rem}.species-card p{line-height:1.55}.mini{margin-top:12px;color:#334;line-height:1.5}.chip{display:inline-block;background:#fff3cf;border:1px solid #ffde7a;border-radius:999px;padding:3px 8px;margin:2px;font-size:.78rem;font-weight:750}.downloads{margin-top:70px;background:linear-gradient(135deg,#082033,#0e6b78);color:white}.downloads p{color:#d8f5f5}footer{text-align:center;padding:34px;color:#5d6b78}@media(max-width:900px){.hero-grid,.species-grid{grid-template-columns:1fr}.month-grid{grid-template-columns:repeat(2,1fr)}nav{flex-wrap:wrap}.filters{flex-direction:column}}@media(max-width:540px){.month-grid{grid-template-columns:1fr}.hero-grid{padding-top:36px}.hero h1{font-size:2.7rem}}