﻿:root{--bg:#f7faf8;--ink:#17211c;--muted:#5b6861;--line:#d8e2dc;--panel:#fff;--soft:#eaf3ee;--accent:#0f766e;--accent2:#0b4f4a;--gold:#bd8b22;--shadow:0 18px 50px rgba(21,45,35,.12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.5}a{color:inherit}.wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}.hero{min-height:62vh;display:grid;align-items:end;color:#fff;background:linear-gradient(180deg,rgba(7,24,20,.18),rgba(7,24,20,.78)),url("assets/aquarium-hero-tetra-school.png") center/cover}.hero .wrap{padding:92px 0 46px}.eyebrow{margin:0 0 12px;color:rgba(255,255,255,.82);font-size:14px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1{max-width:820px;margin:0;font-size:clamp(38px,7vw,76px);line-height:.98;letter-spacing:0}.hero p.copy{max-width:720px;margin:18px 0 0;color:rgba(255,255,255,.88);font-size:19px}.topbar{position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(216,226,220,.9);background:rgba(247,250,248,.93);backdrop-filter:blur(14px)}.topbar .wrap{height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:850;text-decoration:none}.mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#0f766e,#85b356)}.nav{display:flex;gap:8px;color:var(--muted);font-size:14px}.nav a{padding:8px 10px;border-radius:8px;text-decoration:none}.nav a:hover{background:var(--soft);color:var(--ink)}main{padding:42px 0 72px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.card{padding:18px;text-decoration:none}.card h2,.card h3{margin:0 0 8px;font-size:20px}.card p,.muted{color:var(--muted)}.card p{margin:0}.tool-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:24px;align-items:start}.panel{padding:22px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}label{display:block;margin-bottom:7px;color:#314039;font-size:13px;font-weight:750}select,input{width:100%;height:44px;border:1px solid #c8d5ce;border-radius:8px;padding:0 12px;background:#fff;color:var(--ink);font:inherit}select:focus,input:focus{border-color:var(--accent);outline:3px solid rgba(15,118,110,.16)}button,.button{min-height:44px;border:0;border-radius:8px;padding:11px 14px;background:var(--accent);color:white;font:inherit;font-weight:800;text-align:center;text-decoration:none;cursor:pointer}button:hover,.button:hover{background:var(--accent2)}.result{position:sticky;top:78px;overflow:hidden;padding:0}.result-head{padding:22px;background:#0d3f3c;color:#fff}.result-label{margin:0;color:rgba(255,255,255,.72);font-size:13px;font-weight:750;text-transform:uppercase;letter-spacing:.08em}.price{margin:8px 0 0;font-size:42px;font-weight:850;line-height:1}.result-body{padding:18px 22px 22px}.breakdown{display:grid;gap:10px;margin:0 0 18px;padding:0;list-style:none}.breakdown li{display:flex;justify-content:space-between;gap:14px;padding-bottom:10px;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}.breakdown strong{color:var(--ink)}.ad-slot{display:grid;place-items:center;min-height:110px;margin-top:18px;border:1px dashed #9fb0a7;border-radius:8px;background:#f3f7f5;color:#66756d;font-size:13px;text-align:center}.content{max-width:820px}.content h1{font-size:44px;color:var(--ink);line-height:1.08}.content h2{margin-top:32px}.footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13px}.note{margin:14px 0 0;color:var(--muted);font-size:13px}@media(max-width:860px){.nav{display:none}.grid,.tool-grid{grid-template-columns:1fr}.result{position:static}}@media(max-width:560px){.field-grid{grid-template-columns:1fr}.hero{min-height:58vh}.hero .wrap{padding-top:70px}.price{font-size:34px}}
