@font-face {
  font-family: "HK Grotesk";
  src:
    url("../assets/fonts/HKGrotesk-Regular.woff2") format("woff2"),
    url("../assets/fonts/HKGrotesk-Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "HK Grotesk";
  src:
    url("../assets/fonts/HKGrotesk-SemiBold.woff2") format("woff2"),
    url("../assets/fonts/HKGrotesk-SemiBold.woff") format("woff");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "HK Grotesk";
  src:
    url("../assets/fonts/HKGrotesk-Bold.woff2") format("woff2"),
    url("../assets/fonts/HKGrotesk-Bold.woff") format("woff");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "HK Grotesk";
  src:
    url("../assets/fonts/HKGrotesk-ExtraBold.woff2") format("woff2"),
    url("../assets/fonts/HKGrotesk-ExtraBold.woff") format("woff");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --primary-900: #130e5d;
  --primary-700: #231b8d;
  --primary-300: #a8a1ff;
  --peach-500: #ffae72;
  --peach-600: #f9842d;
  --peach-200: #ffd5b6;
  --cream: #f8f1f0;
  --ink: #1a1633;
  --muted: #5c5678;
  --line: rgba(35, 27, 141, 0.12);
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(19, 14, 93, 0.1);
  --radius: 18px;
  --font: "HK Grotesk", "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255, 174, 114, 0.35), transparent 60%),
    radial-gradient(900px 500px at 95% 0%, rgba(168, 161, 255, 0.28), transparent 55%),
    linear-gradient(180deg, #fbf7f6 0%, var(--cream) 45%, #f3eceb 100%);
}

.page {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

.hero {
  margin-bottom: 2rem;
}

.brand-logo {
  display: block;
  width: min(248px, 55vw);
  height: auto;
  margin: 0;
}

.hero h1 {
  margin: 0.85rem 0 0.75rem;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  color: var(--primary-900);
}

.lede {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.layout {
  display: grid;
  gap: 1.25rem;
}

.panel {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  padding: 1.35rem 1.4rem 1.5rem;
}

.panel h2,
.kpi h2,
.breakdown-head h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--primary-700);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field span {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary-900);
}

input,
select {
  width: 100%;
  border: 1px solid rgba(35, 27, 141, 0.18);
  border-radius: 12px;
  padding: 0.75rem 0.85rem;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

input:focus,
select:focus {
  outline: 2px solid var(--peach-500);
  outline-offset: 1px;
  border-color: transparent;
}

.advanced {
  margin-top: 1.15rem;
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
}

.advanced summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--primary-700);
}

.advanced-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

fieldset {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem 1rem;
  display: grid;
  gap: 0.75rem;
}

legend {
  padding: 0 0.35rem;
  font-weight: 700;
  color: var(--primary-900);
}

.hint {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.kpi-row {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 0.9rem;
  margin-bottom: 0.9rem;
}

.kpi {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.2rem;
  box-shadow: var(--shadow);
}

.kpi.primary {
  background: linear-gradient(145deg, var(--primary-700), var(--primary-900));
  color: var(--white);
  border-color: transparent;
}

.kpi.primary h2 {
  color: var(--peach-200);
}

.kpi-value {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.meta-line {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.breakdown-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

.breakdown-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  margin-bottom: 0.65rem;
  overflow: hidden;
}

.item summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 1rem;
  font-weight: 700;
}

.item summary::-webkit-details-marker {
  display: none;
}

.item summary::after {
  content: "+";
  color: var(--primary-700);
  font-size: 1.25rem;
  font-weight: 700;
}

.item[open] summary::after {
  content: "–";
}

.item-amount {
  justify-self: end;
  color: var(--primary-700);
}

.item-body {
  border-top: 1px solid var(--line);
  padding: 0.85rem 1rem 1.05rem;
  display: grid;
  gap: 0.85rem;
  background: linear-gradient(180deg, rgba(255, 174, 114, 0.08), transparent 70%);
}

.item-body h3 {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--primary-700);
}

.item-body ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.45;
}

.footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.footer p {
  margin: 0 0 0.55rem;
}

.positive {
  color: #006817;
}

.negative {
  color: #b10e2a;
}

.kpi.primary .positive,
.kpi.primary .negative {
  color: inherit;
}

@media (max-width: 820px) {
  .field-grid,
  .advanced-grid,
  .kpi-row {
    grid-template-columns: 1fr;
  }

  .item summary {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .item-amount {
    justify-self: start;
  }
}