@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Space+Grotesk:wght@500;600;700&display=swap');
:root { --ink:#19231f; --muted:#68736e; --paper:#f4f1e9; --panel:#fffdf8; --accent:#e1f05f; --line:#d9ddd3; --danger:#a84638; --success:#34705b; }
* { box-sizing:border-box; } body { margin:0; color:var(--ink); background:var(--paper); font-family:'DM Sans',sans-serif; } a { color:inherit; text-decoration:none; } button,input { font:inherit; } button { cursor:pointer; }
.site-header,.site-footer { display:flex; align-items:center; justify-content:space-between; max-width:1240px; margin:auto; padding:28px 32px; } .brand { font-family:'Space Grotesk',sans-serif; font-weight:700; letter-spacing:.02em; } .brand span { display:block; color:var(--muted); font:500 11px 'DM Sans',sans-serif; letter-spacing:.08em; text-transform:uppercase; } .header-link { font-weight:700; font-size:14px; } .header-link span { color:#6b790d; margin-left:8px; }
.home-shell,.calculator-shell { max-width:1240px; margin:auto; padding:80px 32px 120px; } .home-shell { display:grid; grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr); gap:12%; min-height:calc(100vh - 150px); align-items:center; } .page-heading { max-width:720px; margin-bottom:64px; } .eyebrow { color:#68770f; font-size:12px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; } h1,h2 { font-family:'Space Grotesk',sans-serif; margin:16px 0; line-height:1.02; } h1 { max-width:760px; font-size:clamp(44px,7vw,88px); } h2 { font-size:32px; } .lede { max-width:560px; color:var(--muted); font-size:18px; line-height:1.6; } .button { border:0; display:inline-flex; align-items:center; gap:22px; padding:17px 20px; font-weight:700; } .button-dark { background:var(--ink); color:var(--paper); } .button:disabled { opacity:.55; cursor:wait; }
.home-aside,.result-panel { border-top:3px solid var(--ink); padding-top:24px; } .aside-mark { color:#89971e; font:700 14px 'Space Grotesk',sans-serif; } .option-line { border-top:1px solid var(--line); margin-top:28px; padding-top:15px; } .option-line strong,.option-line span { display:block; } .option-line span,.result-empty p { color:var(--muted); margin-top:6px; }
.calculator-layout { display:grid; grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr); gap:48px; align-items:start; } .form-panel { background:var(--panel); padding:30px; border:1px solid var(--line); } .mode-switch { display:grid; grid-template-columns:1fr 1fr; gap:4px; background:#e8e9de; padding:4px; margin-bottom:36px; } .mode-switch button { border:0; background:transparent; padding:13px; color:var(--muted); font-weight:700; } .mode-switch button.active { background:var(--ink); color:var(--paper); } fieldset { border:0; border-top:1px solid var(--line); padding:26px 0 0; margin:0 0 30px; } legend { padding:0 12px 0 0; font:600 21px 'Space Grotesk',sans-serif; } .field-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:20px; } label { position:relative; color:var(--muted); font-size:13px; font-weight:700; } input { width:100%; display:block; margin-top:8px; border:1px solid var(--line); background:#faf9f3; color:var(--ink); padding:13px 12px; outline:0; } input:focus { border-color:var(--ink); box-shadow:0 0 0 2px var(--accent); } .unit,.optional { position:absolute; right:12px; top:0; color:#9aa09a; font-size:11px; font-weight:400; text-transform:uppercase; } .optional { right:0; text-transform:none; } small { color:var(--success); display:block; margin-top:6px; font-weight:400; } .privacy-note { color:var(--muted); font-size:12px; line-height:1.5; } .submit-button { margin-top:12px; width:100%; justify-content:space-between; } .message { margin:18px 0 0; font-size:14px; line-height:1.5; } .error { color:var(--danger); } .success { color:var(--success); }
.result-panel { position:sticky; top:24px; } .result-primary { background:var(--accent); padding:22px; margin:28px 0 12px; } .result-secondary { background:#dce9e1; padding:18px 22px; margin:0 0 28px; } .result-primary span,.result-secondary span { display:block; font-size:13px; } .result-primary strong { display:block; font:700 30px 'Space Grotesk',sans-serif; margin-top:8px; } .result-secondary strong { display:block; font:700 24px 'Space Grotesk',sans-serif; margin-top:6px; } dl { margin:0; } dl div { display:flex; justify-content:space-between; gap:20px; border-bottom:1px solid var(--line); padding:13px 0; } dt { color:var(--muted); text-transform:capitalize; } dd { margin:0; font-weight:700; text-align:right; }
.site-footer { color:var(--muted); font-size:12px; border-top:1px solid var(--line); }
@media (max-width:760px) { .site-header,.site-footer { padding:22px 20px; } .header-link { font-size:12px; } .home-shell,.calculator-shell { padding:54px 20px 80px; } .home-shell,.calculator-layout { display:block; } .home-aside { margin-top:70px; } .page-heading { margin-bottom:38px; } h1 { font-size:48px; } .lede { font-size:16px; } .form-panel { padding:20px; } .field-grid { grid-template-columns:1fr; gap:16px; } .result-panel { position:static; margin-top:54px; } .site-footer { gap:16px; align-items:flex-start; flex-direction:column; } }