:root {
  --bg: #f5f8fc;
  --card: rgba(255, 255, 255, 0.72);
  --ink: #10253a;
  --muted: #5b7288;
  --line: rgba(15, 41, 64, 0.12);
  --brand: #0f766e;
  --brand-soft: #ecfeff;
  --good: #166534;
  --bad: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  font-style: normal;
  font-weight: 400;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 8%, rgba(34, 211, 238, 0.18), transparent 35%),
    radial-gradient(circle at 92% 10%, rgba(52, 211, 153, 0.15), transparent 38%),
    linear-gradient(135deg, #eaf4ff, #f2fff8 48%, #fff9eb);
  line-height: 1.45;
}

@keyframes ns-fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ns-value-pulse {
  0% {
    transform: translateY(0) scale(1);
    color: var(--ink);
  }
  50% {
    transform: translateY(-1px) scale(1.03);
    color: #0ea5e9;
  }
  100% {
    transform: translateY(0) scale(1);
    color: var(--ink);
  }
}

@keyframes ns-progress-glow {
  0% {
    filter: saturate(1);
  }
  50% {
    filter: saturate(1.25);
  }
  100% {
    filter: saturate(1);
  }
}

.hero {
  padding: 2.4rem 1rem 1.2rem;
  position: relative;
}

.hero__content {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.brand-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.72rem;
  padding: 0.52rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 41, 64, 0.14);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(236, 254, 255, 0.88));
  box-shadow: 0 10px 24px rgba(15, 41, 64, 0.12);
  margin: 0 auto 0.55rem;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.brand-row:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(15, 41, 64, 0.16);
}

.page-links {
  margin: 0.95rem 0 0.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}

.page-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.page-links a:hover {
  transform: translateY(-1px);
  border-color: rgba(14, 165, 233, 0.35);
  background: rgba(255, 255, 255, 0.95);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
  border: none;
  box-shadow: 0 6px 14px rgba(15, 41, 64, 0.16);
  background: transparent;
}

.eyebrow {
  margin: 0;
  color: var(--brand);
  font-size: 1.12rem;
  letter-spacing: 0.02em;
  text-transform: none;
  font-weight: 500;
  font-style: italic;
}

h1 {
  margin: 0.55rem 0 0.4rem;
  font-size: clamp(1.7rem, 3.2vw, 2.45rem);
  font-family: "Clash Display", sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.15;
}

.subtitle {
  margin: 0 auto;
  max-width: 62ch;
  color: var(--muted);
  font-size: 0.98rem;
}

.container {
  width: min(1000px, 92%);
  margin: 0 auto 2rem;
  display: grid;
  gap: 0.9rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 16px 40px rgba(15, 41, 64, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: box-shadow 180ms ease, transform 180ms ease;
}

.ns-reveal {
  opacity: 0;
  transform: translateY(16px);
}

.ns-reveal.is-visible {
  animation: ns-fade-up 520ms ease both;
  animation-delay: var(--ns-delay, 0ms);
}

.card:hover {
  box-shadow: 0 18px 46px rgba(15, 41, 64, 0.14);
}

h2 {
  margin: 0 0 0.7rem;
  font-size: 1.15rem;
  font-family: "Clash Display", sans-serif;
  font-weight: 600;
}

h3 {
  margin: 1rem 0 0.6rem;
  font-size: 0.98rem;
  font-family: "Clash Display", sans-serif;
  font-weight: 500;
}

.grid,
.expenses-grid,
.slider-grid,
.projection-grid {
  display: grid;
  gap: 0.75rem;
}

.grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.expenses-grid,
.slider-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  background: rgba(255, 255, 255, 0.9);
  font: inherit;
  color: var(--ink);
}

input:focus,
select:focus {
  outline: none;
  border-color: #7dd3fc;
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.25);
}

input[type="range"] {
  padding: 0;
  accent-color: var(--brand);
}

.muted {
  color: var(--muted);
  margin: 0.15rem 0;
}

.optional-tools summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.55rem;
}

.receipt-dropzone {
  border: 1.5px dashed #94a3b8;
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.82);
  text-align: center;
  padding: 0.9rem;
}

.receipt-dropzone.is-dragging {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.receipt-upload-btn {
  display: inline-block;
  padding: 0.38rem 0.75rem;
  border-radius: 8px;
  border: 1px solid #99f6e4;
  background: #ccfbf1;
  cursor: pointer;
  font-weight: 600;
}

.receipt-mode {
  margin-top: 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.receipt-mode input {
  width: auto;
}

.scenario-grid {
  display: grid;
  gap: 0.7rem;
}

.scenario {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem;
}

.scenario--current {
  background: rgba(248, 250, 252, 0.78);
}

.scenario--reduced {
  background: rgba(236, 254, 255, 0.85);
}

.scenario ul {
  margin: 0;
  padding-left: 1rem;
}

.scenario li {
  margin-bottom: 0.35rem;
}

.advice {
  margin-top: 0.55rem;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: rgba(239, 246, 255, 0.82);
  padding: 0.65rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.progress-track {
  height: 12px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #14b8a6, #0ea5e9);
  transition: width 260ms ease;
  animation: ns-progress-glow 1.2s ease;
}

.projection-grid {
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

.projection-box {
  border: 1px solid #dcfce7;
  border-radius: 10px;
  padding: 0.6rem;
  background: rgba(240, 253, 244, 0.86);
}

.projection-box span {
  font-size: 0.8rem;
  color: var(--muted);
}

.projection-box strong {
  display: block;
  margin-top: 0.1rem;
  font-size: 1rem;
}

.compound-comparison {
  margin-top: 0.6rem;
  display: grid;
  gap: 0.6rem;
}

.compound-row {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem;
  background: rgba(248, 250, 252, 0.82);
}

.action-box {
  margin-top: 0.9rem;
  padding: 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(204, 251, 241, 0.55));
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.58rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.value-pulse {
  display: inline-block;
  animation: ns-value-pulse 300ms ease;
}

.btn-primary {
  background: linear-gradient(135deg, #14b8a6, #0ea5e9);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  border-color: #bfdbfe;
  color: var(--ink);
}

.compound-row__head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.83rem;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.compound-bars {
  display: grid;
  gap: 0.35rem;
}

.compound-bar-track {
  height: 9px;
  border-radius: 999px;
  overflow: hidden;
  background: #dbeafe;
}

.compound-bar {
  height: 100%;
  width: 0;
  transition: width 240ms ease;
}

.compound-bar--plain {
  background: #38bdf8;
}

.compound-bar--growth {
  background: #10b981;
}

@media (min-width: 860px) {
  .container {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1rem;
  }

  .input-card {
    grid-column: span 7;
  }

  .slider-card {
    grid-column: span 5;
  }

  .receipt-card,
  .results-card {
    grid-column: span 12;
  }

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

/* Flat UI override: keep palette, remove borders and shadows site-wide */
:root {
  --line: transparent;
}

*,
*::before,
*::after {
  box-shadow: none !important;
  text-shadow: none !important;
}

a,
button,
input,
select,
textarea,
.card,
.brand-row,
.page-links a,
.scenario,
.projection-box,
.receipt-dropzone,
.receipt-upload-btn,
.btn {
  border: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .ns-reveal,
  .ns-reveal.is-visible,
  .value-pulse,
  .progress-fill {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}