:root {
  --bg: #e6e3ec;
  --card: #ffffff;
  --ink: #15141a;
  --yellow: #f8d568;
  --purple: #b3abf2;
  --muted: #8b8794;
  --line: rgba(21, 20, 26, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  font-family: "Poppins", sans-serif;
  padding: 24px;
}

.page {
  width: 100%;
  max-width: 980px;
}

.card {
  background: var(--card);
  border-radius: 32px;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -25px rgba(21, 20, 26, 0.2);
  padding: 36px 48px 40px;
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.logo-mark {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 4px;
  transform: rotate(15deg);
}

.top-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.85rem;
}

.top-links a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.15s ease;
}

.top-links a:hover {
  color: var(--ink);
}

.top-links a.active-link {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Slab pills ---------- */
.pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 60px;
}

.pill {
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink);
}

/* ---------- Hero / calculator section ---------- */
.hero {
  position: relative;
  text-align: center;
  padding: 30px 16px 56px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--yellow);
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  margin-bottom: 22px;
  position: relative;
  z-index: 2;
}

/* ---------- Form ---------- */
form {
  position: relative;
  z-index: 2;
  margin-bottom: 36px;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.input-row {
  display: flex;
  gap: 12px;
  justify-content: center;
}

input#income {
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  padding: 14px 18px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  outline: none;
  width: 240px;
  background: var(--card);
  color: var(--ink);
  transition: box-shadow 0.15s ease;
}

input#income::placeholder {
  color: var(--muted);
}

input#income:focus {
  box-shadow: 4px 4px 0 var(--purple);
}

/* ---------- Result + subtitle ---------- */
#result {
  font-family: "Lora", serif;
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1.4rem, 0.9rem + 2.4vw, 2.4rem);
  line-height: 1.4;
  max-width: 680px;
  color: var(--ink);
  margin: 0 auto 14px;
  position: relative;
  z-index: 2;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

#result.fade {
  opacity: 0;
  transform: translateY(8px);
}

.subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  position: relative;
  z-index: 2;
}

/* ---------- Button ---------- */
button {
  font-family: "Poppins", sans-serif;
  background: var(--ink);
  color: #fff;
  border: 2px solid var(--ink);
  border-radius: 14px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 6px 6px 0 var(--yellow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--yellow);
}

button:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--yellow);
}

/* ---------- Decorative shapes ---------- */
.shape {
  position: absolute;
  border: 3px solid var(--ink);
  z-index: 1;
}

.shape-1 {
  top: 6px;
  left: 6%;
  width: 86px;
  height: 86px;
  background: var(--yellow);
  border-radius: 18px;
  box-shadow: 7px 7px 0 var(--ink);
  transform: rotate(-12deg);
}

.shape-2 {
  top: -6px;
  right: 9%;
  width: 60px;
  height: 60px;
  background: var(--purple);
  border-radius: 14px;
  box-shadow: 6px 6px 0 var(--ink);
  transform: rotate(18deg);
}

.shape-3 {
  bottom: 18px;
  left: 13%;
  width: 46px;
  height: 46px;
  background: var(--purple);
  border-radius: 8px;
  box-shadow: 5px 5px 0 var(--ink);
  transform: rotate(45deg);
}

.shape-4 {
  bottom: -8px;
  right: 6%;
  width: 78px;
  height: 78px;
  background: var(--yellow);
  border-radius: 16px;
  box-shadow: 7px 7px 0 var(--ink);
  transform: rotate(-10deg);
}

/* ---------- Footer ---------- */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}

.news {
  display: flex;
  align-items: center;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  margin-right: 8px;
}

.socials {
  display: flex;
  gap: 20px;
}

.socials a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}

.socials a:hover {
  color: var(--purple);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .card {
    padding: 26px 22px 28px;
    border-radius: 24px;
  }

  .topbar {
    margin-bottom: 28px;
  }

  .top-links {
    font-size: 0.75rem;
    gap: 14px;
  }

  .pills {
    margin-bottom: 40px;
    gap: 8px;
  }

  .pill {
    padding: 6px 12px;
    font-size: 0.7rem;
  }

  .hero {
    min-height: 240px;
    padding: 16px 6px 36px;
  }

  .input-row {
    flex-direction: column;
    align-items: center;
  }

  input#income {
    width: 100%;
    max-width: 280px;
  }

  button {
    width: 100%;
    max-width: 280px;
  }

  .shape-1 { width: 56px; height: 56px; left: 0; }
  .shape-2 { width: 42px; height: 42px; right: 2%; }
  .shape-3 { display: none; }
  .shape-4 { width: 50px; height: 50px; right: 0; }

  .footer {
    justify-content: center;
    text-align: center;
  }
}