@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');

:root { color-scheme: light; font-family: 'Be Vietnam Pro', system-ui, sans-serif; color: #183b3b; background: #f3f6f3; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid #c78535; outline-offset: 4px; }
.container { max-width: 1100px; margin: 0 auto; padding: 48px 32px 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 700; letter-spacing: 2px; color: #086b66; }
.drop { display: grid; place-items: center; width: 30px; height: 34px; border-radius: 18px 18px 18px 4px; background: #086b66; color: white; font-size: 24px; }
h1 { font-size: clamp(32px, 4.3vw, 48px); line-height: 1.25; font-weight: 700; letter-spacing: -1.8px; margin: 26px 0 16px; }
.intro { color: #607674; font-size: 14px; line-height: 1.9; margin: 0 0 32px; }
.calculator { display: grid; grid-template-columns: 0.85fr 1.3fr; background: white; border: 1px solid #dbe5df; border-radius: 22px; overflow: hidden; box-shadow: 0 12px 38px #163c3310; }
.input-panel { padding: 32px; background: #fafcf9; border-right: 1px solid #e2e9e3; }
.eyebrow { font-size: 10px; letter-spacing: 1.7px; font-weight: 700; }
label { display: block; margin: 25px 0 10px; font-size: 13px; font-weight: 500; }
.input-wrap { display: flex; align-items: center; gap: 8px; border: 1px solid #afc6bd; background: white; border-radius: 12px; padding: 12px 18px; }
.input-wrap:focus-within { border-color: #086b66; box-shadow: 0 0 0 3px #086b6615; }
input { min-width: 0; width: 100%; border: 0; outline: none; color: #183b3b; background: transparent; font-size: 38px; font-weight: 600; }
.input-wrap span { color: #6b827b; font-size: 19px; }
.hint, .error { font-size: 11px; line-height: 1.8; margin: 10px 0 18px; }
.hint { color: #667b74; }
.error { color: #a92e24; }
.primary { width: 100%; background: #086b66; color: white; border: 0; border-radius: 10px; padding: 16px 19px; font-size: 13px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.primary:hover { background: #075751; }
.primary span { font-size: 21px; }
.examples { margin-top: 25px; }
.examples > span { font-size: 11px; color: #667b74; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.chips button { padding: 9px 11px; border-radius: 8px; border: 1px solid #d6e2db; background: white; color: #45635c; font-size: 11px; }
.chips button:hover, .chips button[aria-pressed="true"] { background: #dceee7; color: #085e50; border-color: #adcfc0; }
.note { font-size: 10px; color: #6b7e77; line-height: 1.9; margin: 26px 0 0; }
.result-panel { padding: 32px; }
.total { background: #eaf4ed; border-radius: 13px; padding: 24px; }
.total .eyebrow { color: #477268; }
.amount { font-size: clamp(30px, 4vw, 46px); font-weight: 700; color: #086451; letter-spacing: -1.6px; margin-top: 12px; overflow-wrap: anywhere; }
.currency { font-size: 26px; font-weight: 500; }
.total p { font-size: 11px; color: #587c6d; margin: 9px 0 0; line-height: 1.8; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 11px; margin-top: 24px; }
caption { text-align: left; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
thead th { font-weight: 400; color: #71827b; font-size: 10px; padding: 0 0 12px; }
th { text-align: left; }
td, th { padding: 14px 0; border-bottom: 1px solid #e9eeea; }
tbody th { font-weight: 500; line-height: 1.6; }
td { white-space: nowrap; }
td:nth-child(2), thead th:nth-child(2) { text-align: center; padding-left: 10px; padding-right: 10px; }
td:last-child, thead th:last-child { text-align: right; }
td:last-child { font-weight: 600; }
th small { display: block; color: #74857c; font-weight: 400; font-size: 10px; margin-top: 3px; }
.unused { color: #7c8982; }
.calculation-note { font-size: 9px; color: #75867e; margin: 15px 0 0; line-height: 1.8; }
.tariffs { margin-top: 32px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
h2 { font-size: 15px; font-weight: 600; }
.section-heading > span { font-size: 10px; color: #71827b; }
.tariff-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 10px; }
.tariff-grid article { border: 1px solid #dbe5df; border-radius: 12px; padding: 20px; }
.tier { color: #5d8a76; font-size: 11px; font-weight: 600; }
h3 { font-size: 11px; font-weight: 500; margin: 14px 0 12px; }
.tariff-grid p { font-size: 23px; font-weight: 600; margin: 0; letter-spacing: -.5px; }
.tariff-grid small { font-size: 10px; font-weight: 400; color: #71827b; }
footer { text-align: center; font-size: 10px; color: #788a81; padding-top: 32px; line-height: 1.8; }
footer p { margin: 0 0 10px; }
footer a { color: #086b66; text-underline-offset: 3px; overflow-wrap: anywhere; }
footer a:hover { color: #075751; }
@media (max-width: 700px) { .container { padding: 28px 18px 24px; } .calculator { grid-template-columns: 1fr; } .input-panel { border-right: 0; border-bottom: 1px solid #e2e9e3; } .input-panel, .result-panel { padding: 24px; } .tariff-grid { grid-template-columns: repeat(2, 1fr); } h1 { letter-spacing: -1px; } }
@media (max-width: 380px) { .input-panel, .result-panel { padding: 18px; } .section-heading { align-items: flex-start; flex-direction: column; gap: 0; } .tariff-grid article { padding: 15px; } }