:root {
  --background: #1b1a17;
  --foreground: #f3f1eb;
  --card: #24211d;
  --panel: #211f1b;
  --primary: #f08a24;
  --primary-foreground: #1b1a17;
  --secondary: #302d28;
  --muted-foreground: #a6a096;
  --border: #403b34;
  --font-display: "Oswald", "Arial Narrow", "Impact", sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
}

.container {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding-inline: 24px;
}

.bg-shop {
  background-color: var(--background);
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 8px);
}

.hazard-tape {
  height: 8px;
  width: 100%;
  background-image: repeating-linear-gradient(-45deg, var(--primary) 0 14px, var(--background) 14px 28px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(27, 26, 23, 0.86);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  background: var(--primary);
  color: var(--primary-foreground);
}

.brand-name {
  display: block;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.brand-name span,
.section-kicker,
.main-nav .active,
.main-nav a:hover,
.copy-stack em,
.modal-category,
.result-kicker,
.footer-grid h4 {
  color: var(--primary);
}

.brand-tag {
  display: block;
  margin-top: 3px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.header-cta,
.button,
.cta-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 40px;
  padding: 11px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.header-cta,
.button-primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.header-cta:hover,
.button-primary:hover {
  filter: brightness(0.95);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 40px;
  padding-block: 96px;
}

.eyebrow {
  display: inline-block;
  border: 1px solid rgba(240, 138, 36, 0.45);
  background: rgba(240, 138, 36, 0.12);
  padding: 6px 12px;
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
}

.hero h1 {
  margin-top: 24px;
  font-size: clamp(48px, 7vw, 72px);
  line-height: 0.95;
}

.hero h1 span {
  display: block;
  color: var(--primary);
  text-shadow: 0 0 24px rgba(240, 138, 36, 0.7);
}

.hero p {
  max-width: 576px;
  margin: 24px 0 0;
  color: var(--muted-foreground);
  font-size: 18px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 48px;
  padding-inline: 24px;
}

.button-outline {
  border: 1px solid var(--border);
}

.button-outline:hover {
  border-color: var(--primary);
}

.stats {
  display: grid;
  max-width: 448px;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.stats span {
  display: block;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
}

.stats strong {
  display: block;
  margin-top: 4px;
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
}

.hero-media {
  position: relative;
}

.hero-tape {
  position: absolute;
  top: -8px;
  left: 24px;
  width: 128px;
}

.panel {
  border: 1px solid var(--border);
  background: var(--panel);
}

.corner-tab {
  position: relative;
}

.corner-tab::before {
  position: absolute;
  top: -1px;
  right: 18px;
  width: 28px;
  height: 6px;
  background: var(--primary);
  content: "";
}

.hero-panel {
  overflow: hidden;
}

.hero-panel img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #0f0f0e;
}

.image-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--border);
  background: rgba(27, 26, 23, 0.7);
  padding: 12px 16px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.image-caption span:last-child {
  color: var(--primary);
}

.category-strip {
  border-block: 1px solid var(--border);
  background: rgba(27, 26, 23, 0.62);
}

.category-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 32px;
  padding-block: 16px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.category-row a {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-row a:hover {
  color: var(--primary);
}

.category-row svg,
.brand-mark svg,
.button svg,
.card-icon,
.popular svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.toolbox,
.articles {
  padding-block: 80px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.section-kicker,
.section-head > span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
}

.section-head > span {
  color: var(--muted-foreground);
}

.section-head h2,
.why-grid h2 {
  margin-top: 8px;
  font-size: clamp(34px, 5vw, 50px);
  line-height: 1;
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.calculator-card {
  position: relative;
  display: flex;
  min-height: 190px;
  width: 100%;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.16s ease, background 0.16s ease;
}

.calculator-card:hover {
  border-color: var(--primary);
  background: rgba(48, 45, 40, 0.45);
}

.calculator-card::before {
  position: absolute;
  top: -1px;
  right: 18px;
  width: 28px;
  height: 6px;
  background: var(--primary);
  content: "";
}

.calculator-card small {
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.calculator-card h3 {
  padding-right: 28px;
  font-size: 18px;
  line-height: 1.2;
}

.calculator-card p {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 14px;
  line-height: 1.45;
}

.card-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--primary);
  opacity: 0.75;
  transition: transform 0.16s ease;
}

.calculator-card:hover .card-icon {
  transform: translate(2px, -2px);
}

.why-band {
  border-block: 1px solid var(--border);
  background: rgba(27, 26, 23, 0.45);
}

.why-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  padding-block: 80px;
}

.copy-stack {
  margin-top: 24px;
  color: var(--muted-foreground);
  font-size: 16px;
  line-height: 1.75;
}

.copy-stack p {
  margin: 0 0 16px;
}

.copy-stack strong {
  color: var(--foreground);
  font-weight: 500;
}

.copy-stack em {
  font-style: normal;
}

.popular {
  align-self: start;
  padding: 24px;
}

.popular ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.popular li + li {
  border-top: 1px solid var(--border);
}

.popular button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 0;
  background: transparent;
  padding: 13px 0;
  color: var(--foreground);
  text-align: left;
  cursor: pointer;
}

.popular button:hover {
  color: var(--primary);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.article-card {
  padding: 24px;
}

.article-card h3 {
  margin-top: 12px;
  font-size: 22px;
  line-height: 1.1;
}

.article-card p {
  margin: 12px 0 0;
  color: var(--muted-foreground);
  font-size: 14px;
  line-height: 1.55;
}

.article-card .read-link {
  margin-top: 20px;
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
}

.cta-band {
  background: var(--primary);
  color: var(--primary-foreground);
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 40px;
}

.cta-inner h3 {
  font-size: clamp(28px, 4vw, 36px);
}

.cta-inner p {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.cta-actions {
  display: flex;
  gap: 12px;
}

.cta-actions a:first-child {
  background: var(--background);
  color: var(--foreground);
}

.cta-actions a:last-child {
  border: 1px solid var(--background);
}

.site-footer {
  background: var(--background);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-block: 56px;
}

.footer-brand p {
  max-width: 390px;
  margin: 12px 0 0;
  color: var(--muted-foreground);
  font-size: 14px;
  line-height: 1.55;
}

.footer-grid h4 {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
}

.footer-grid a {
  display: block;
  margin-top: 8px;
  color: var(--muted-foreground);
  font-size: 14px;
}

.footer-grid a:hover {
  color: var(--foreground);
}

.footer-legal {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  color: var(--muted-foreground);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(0, 0, 0, 0.75);
  cursor: pointer;
}

.modal-card {
  position: relative;
  width: min(100%, 672px);
  max-height: calc(100vh - 48px);
  overflow: auto;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.55);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 2;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--muted-foreground);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-form {
  border-right: 1px solid var(--border);
  padding: 24px;
}

.modal-category {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.modal-form h2 {
  margin-top: 8px;
  padding-right: 32px;
  font-size: 26px;
  line-height: 1.05;
}

.modal-form p {
  margin: 12px 0 0;
  color: var(--muted-foreground);
  font-size: 14px;
  line-height: 1.55;
}

.modal-form form {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.field-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 5px;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.field-label span:last-child {
  color: var(--primary);
}

.modal-form input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--background);
  color: var(--foreground);
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 16px;
  outline: 0;
}

.modal-form input:focus {
  border-color: var(--primary);
}

.modal-results {
  background: rgba(27, 26, 23, 0.62);
  padding: 24px;
}

.result-kicker,
.result-note {
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
}

.result-item {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.result-item + .result-item {
  margin-top: 16px;
}

.result-item:last-child {
  border-bottom: 0;
}

.result-label {
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.result-value {
  color: var(--primary);
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1.08;
  text-shadow: 0 0 24px rgba(240, 138, 36, 0.6);
}

.result-value span {
  margin-left: 8px;
  color: var(--muted-foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  text-shadow: none;
}

.result-note {
  margin: 24px 0 0;
  line-height: 1.7;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 960px) {
  .main-nav {
    display: none;
  }

  .hero-grid,
  .why-grid {
    grid-template-columns: 1fr;
    padding-block: 64px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .container {
    padding-inline: 18px;
  }

  .header-inner {
    gap: 12px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 18px;
  }

  .brand-tag {
    display: none;
  }

  .header-cta {
    padding-inline: 12px;
    font-size: 10px;
  }

  .hero-grid {
    padding-block: 48px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero p {
    font-size: 16px;
  }

  .stats {
    gap: 14px;
  }

  .image-caption,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-head > span {
    display: none;
  }

  .calculator-grid,
  .article-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    flex-wrap: wrap;
  }

  .modal {
    padding: 12px;
  }

  .modal-grid {
    grid-template-columns: 1fr;
  }

  .modal-form {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
}