:root {
  --bg-main: #050816;
  --bg-alt: #080f24;
  --bg-card: #0b1020;
  --bg-card-soft: rgba(11, 16, 32, 0.9);
  --accent-red: #ff3355;
  --accent-blue: #1c7dff;
  --accent-orange: #ff9b2f;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --text-main: #f7f7ff;
  --text-muted: #a1a7c8;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --transition-fast: 0.18s ease-out;
  --transition-med: 0.25s ease-out;
}

/* Global reset-ish */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

/* Layout helpers */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 72px 0 80px;
}

.section-alt {
  background: radial-gradient(circle at top left, #111c3a, #050816 52%);
}

.section-header {
  max-width: 760px;
  margin: 0 auto 32px;
  text-align: center;
}

.section-header h2 {
  font-size: 2.1rem;
  margin: 0 0 10px;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(90deg, rgba(5, 8, 22, 0.92), rgba(11, 16, 32, 0.9));
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
}

.logo-mark {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  padding: 7px 9px;
  border-radius: 999px;
  background: radial-gradient(circle at 10% 0, #ff3355 0, #1c7dff 45%, #141a35 85%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.logo-mark .bar {
  width: 4px;
  border-radius: 999px;
}

.logo-mark .bar-red {
  height: 12px;
  background: #ffdde3;
}

.logo-mark .bar-blue {
  height: 18px;
  background: #c8deff;
}

.logo-mark .bar-orange {
  height: 9px;
  background: #ffe0c2;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 650;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
}

.logo-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.main-nav {
  display: flex;
  gap: 20px;
  font-size: 0.92rem;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.main-nav a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

/* Hero */
.hero {
  position: relative;
  padding: 42px 0 64px;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 51, 85, 0.22), transparent 55%),
    radial-gradient(circle at 80% 20%, rgba(28, 125, 255, 0.25), transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 32px;
  align-items: flex-start;
  z-index: 1;
}

.hero-left h1 {
  font-size: clamp(2.15rem, 2.6vw, 2.6rem);
  margin: 0 0 12px;
}

.hero-tagline {
  margin: 0 0 18px;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  color: var(--text-muted);
}

.hero-bullets li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
}

.hero-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-red), var(--accent-blue));
}

.hero-image-card {
  position: relative;
  margin-top: 10px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-soft);
}

.hero-image-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.hero-image-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(5, 8, 22, 0.9), transparent);
  font-size: 0.85rem;
  color: #f7f7ff;
}

/* Cards & base components */
.card {
  background: var(--bg-card-soft);
  border-radius: var(--radius-xl);
  padding: 20px 22px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.cards-grid {
  display: grid;
  gap: 22px;
  margin-top: 18px;
}

.two-columns {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.three-columns {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.card-intro {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--text-muted);
}

.source-note {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Calculator card */
.calculator-card {
  background: radial-gradient(circle at top left, rgba(255, 51, 85, 0.25), rgba(5, 7, 18, 1));
  border-radius: 22px;
  padding: 22px 20px 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.calculator-card h2 {
  margin-top: 0;
  margin-bottom: 14px;
}

/* Form styles */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.form-group select,
.form-group input {
  width: 100%;
  padding: 10px 11px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(5, 5, 18, 0.85);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.form-group select:focus,
.form-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px rgba(28, 125, 255, 0.5);
  transform: translateY(-1px);
}

.field-help {
  margin: 4px 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 4px;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  border: none;
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  color: #ffffff;
  background: linear-gradient(120deg, var(--accent-red), var(--accent-blue));
  box-shadow: 0 14px 28px rgba(255, 51, 85, 0.35);
  transition: transform var(--transition-med), box-shadow var(--transition-med), filter var(--transition-med);
}

.btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 18px 34px rgba(28, 125, 255, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.7);
}

/* Results */
.results {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, 0.25);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.result-pill {
  padding: 10px 12px;
  border-radius: 14px;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.04), rgba(6, 10, 24, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.result-pill .label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.result-pill .value {
  font-size: 1rem;
  font-weight: 600;
}

/* Bracket progress */
.bracket-progress {
  margin: 12px 0 16px;
}

.bracket-progress-bar {
  width: 100%;
  height: 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.bracket-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-red), var(--accent-orange), var(--accent-blue));
  transition: width 0.4s ease-out;
}

.bracket-label {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Breakdown table */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-top: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

thead {
  background: rgba(255, 255, 255, 0.04);
}

th,
td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.breakdown-help {
  margin: 0 0 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* State overview card in results */
.state-overview {
  margin-top: 12px;
}

.state-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Lists */
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
  padding: 0;
  margin: 10px 0 6px;
}

.pill-list li {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
}

.flat-progressive-list {
  list-style: none;
  padding: 0;
  margin: 6px 0 0;
}

.flat-progressive-list li {
  margin-bottom: 6px;
}

/* Guides image */
.hero-image-wide {
  position: relative;
  margin-top: 28px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-soft);
}

.hero-image-wide img {
  height: 260px;
  width: 100%;
  object-fit: cover;
}

.hero-image-wide .hero-image-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(5, 8, 22, 0.95), transparent);
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

/* Explainer */
.explanation {
  margin-top: 26px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #050816;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1.3fr));
  gap: 26px;
  padding: 26px 0 20px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.footer-logo-mark {
  transform: scale(0.88);
}

.footer-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.footer-text.small {
  font-size: 0.78rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
}

.footer-links li {
  margin-bottom: 4px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.84rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 10px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Utils */
.hidden {
  display: none;
}

/* Responsive */
@media (max-width: 880px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-right {
    order: -1;
  }

  .header-inner {
    gap: 10px;
  }

  .main-nav {
    display: none;
  }

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

@media (max-width: 600px) {
  body {
    font-size: 0.92rem;
  }

  .container {
    padding: 0 14px;
  }

  .section {
    padding: 40px 0 52px;
  }

  .hero-grid {
    gap: 20px;
  }

  .hero-left h1 {
    font-size: 1.9rem;
    line-height: 1.2;
  }

  .hero-tagline {
    font-size: 0.95rem;
  }

  .cards-grid,
  .two-columns,
  .three-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .calculator-card {
    padding: 18px 16px 18px;
  }

  .site-footer {
    margin-top: 30px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
  }

  .card {
    border-radius: 18px;
  }

  .hero-image-card img,
  .hero-image-wide img {
    height: 210px;
  }
}