:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #667085;
  --line: #e6ebf2;
  --paper: #fffaf5;
  --mint: #2ec4a6;
  --mint-soft: #e7f8f4;
  --coral: #ff6b5f;
  --coral-soft: #fff0ed;
  --card: rgba(255, 255, 255, 0.84);
  --shadow: 0 24px 80px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 107, 95, 0.2), transparent 28rem),
    radial-gradient(circle at 85% 24%, rgba(46, 196, 166, 0.2), transparent 24rem),
    linear-gradient(135deg, #fff7f1 0%, #ecf8f7 100%);
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header {
  padding: 24px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 8px;
  border-radius: 12px;
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(23, 32, 51, 0.2);
}

.brand-mark span {
  border-radius: 4px;
  background: #ffffff;
}

.brand-mark span:first-child {
  background: var(--coral);
}

.brand-mark span:last-child {
  background: var(--mint);
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

nav a {
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--ink);
}

main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 92px);
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(390px, 1.04fr);
  gap: 34px;
  align-items: center;
  padding: 28px 0 64px;
}

.hero-copy {
  max-width: 590px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.93;
  letter-spacing: 0;
}

.lead {
  max-width: 54ch;
  color: var(--muted);
  font-size: 1.22rem;
  line-height: 1.7;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.badges span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  font-weight: 850;
}

.calculator-card,
.policy-card,
.privacy-strip {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.calculator-card {
  padding: clamp(20px, 4vw, 34px);
}

.card-heading h2,
.section-heading h2,
.privacy-strip h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: 0;
}

.date-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
}

input[type="date"] {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 14px;
  color: var(--ink);
  background: #f8fafc;
  font: inherit;
  font-size: 1rem;
  font-weight: 800;
}

.toggle {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--ink);
}

.toggle input {
  width: 20px;
  height: 20px;
  accent-color: var(--mint);
}

.result-panel {
  margin-top: 18px;
  padding: 30px 20px;
  display: grid;
  justify-items: center;
  border-radius: 26px;
  color: #ffffff;
  background: linear-gradient(135deg, #172033, #24334f);
}

.total {
  font-size: clamp(4rem, 10vw, 6.2rem);
  line-height: 1;
  font-weight: 900;
}

#totalLabel {
  color: #d5deea;
  font-size: 1.02rem;
  text-align: center;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.stats article,
.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #f8fafc;
}

.stats article {
  padding: 18px;
  display: grid;
  gap: 6px;
}

.stats strong {
  font-size: 1.65rem;
}

.stats span,
.feature-grid p,
.policy-card p,
.site-footer {
  color: var(--muted);
}

.section {
  padding: 40px 0 74px;
}

.section-heading {
  max-width: 680px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.feature-grid article {
  padding: 22px;
}

.feature-grid span {
  color: var(--coral);
  font-weight: 900;
}

.feature-grid h3 {
  margin: 16px 0 10px;
  font-size: 1.2rem;
}

.feature-grid p,
.policy-card p {
  line-height: 1.65;
}

.privacy-strip {
  margin: 0 0 54px;
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.button {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  color: #ffffff;
  background: var(--ink);
  font-weight: 850;
  text-decoration: none;
}

.policy-page {
  max-width: 900px;
  padding: 38px 0 72px;
}

.policy-card {
  padding: clamp(24px, 5vw, 54px);
}

.policy-card h1 {
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 7vw, 5rem);
}

.policy-card h2 {
  margin: 34px 0 10px;
  font-size: 1.35rem;
}

.policy-card a {
  color: var(--ink);
  font-weight: 800;
}

.site-footer {
  padding: 24px 0 34px;
  font-weight: 650;
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 860px) {
  .site-header,
  .site-footer,
  .privacy-strip {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 18px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .site-header,
  .site-footer,
  main {
    width: min(100% - 28px, 1120px);
  }

  .brand {
    align-items: flex-start;
  }

  nav {
    gap: 10px;
    font-size: 0.9rem;
  }

  h1 {
    font-size: 3.05rem;
  }

  .date-form,
  .stats,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}