:root {
  --night-ink: #101326;
  --deep-navy: #171b34;
  --panel: #20243f;
  --paper: #fbf6ea;
  --paper-strong: #fffaf0;
  --ink: #202638;
  --muted-ink: #5b6475;
  --muted-light: #c9c7dc;
  --purple: #7d62b8;
  --purple-dark: #594187;
  --gold: #d9ad55;
  --gold-soft: #f4dfaa;
  --border: rgba(32, 38, 56, 0.16);
  --border-dark: rgba(251, 246, 234, 0.18);
  --success: #326f4c;
  --danger: #9c3c3c;
  --shadow: 0 18px 45px rgba(16, 19, 38, 0.16);
  --radius: 8px;
  --max-width: 1160px;
  --page-width: 1500px;
  --font-body: "Segoe UI", "Atkinson Hyperlegible", Arial, sans-serif;
  --font-heading: "Segoe UI Semibold", "Trebuchet MS", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

p,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  letter-spacing: 0;
  line-height: 1.08;
  margin: 0;
}

h1 {
  font-size: clamp(2.35rem, 6vw, 4.7rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.7rem, 4vw, 2.7rem);
}

h3 {
  font-size: 1.18rem;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  background: var(--gold);
  color: var(--ink);
  left: 1rem;
  padding: 0.65rem 0.85rem;
  position: absolute;
  top: -5rem;
  z-index: 30;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  background: var(--night-ink);
  border-bottom: 1px solid var(--border-dark);
  box-shadow: 0 10px 26px rgba(16, 19, 38, 0.18);
  color: var(--paper);
  position: relative;
  top: 0;
  z-index: 20;
}

.nav {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 0.85rem 1.25rem;
}

.brand-mark {
  color: var(--paper);
  display: inline-grid;
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1;
  min-width: 12rem;
  text-decoration: none;
}

.brand-mark span:last-child {
  color: var(--gold);
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted-light);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a[aria-current="page"] {
  color: var(--gold-soft);
}

.nav-toggle {
  background: transparent;
  border: 1px solid rgba(251, 246, 234, 0.5);
  border-radius: var(--radius);
  color: var(--paper);
  display: none;
  font-weight: 800;
  padding: 0.5rem 0.8rem;
}

.hero {
  background:
    linear-gradient(145deg, rgba(16, 19, 38, 0.94), rgba(32, 36, 63, 0.95)),
    var(--night-ink);
  color: var(--paper);
}

.hero-inner {
  align-items: center;
  display: grid;
  gap: 2.4rem;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  margin: 0 auto;
  max-width: var(--max-width);
  min-height: calc(100vh - 72px);
  padding: 4rem 1.25rem 3.2rem;
}

.hero-copy {
  max-width: 650px;
}

.hero-copy p {
  color: var(--muted-light);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  margin-top: 1.1rem;
  max-width: 42rem;
}

.hero-actions,
.action-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-actions {
  margin-top: 1.6rem;
}

.button,
.button-link {
  align-items: center;
  border: 0;
  border-radius: var(--radius);
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 2.75rem;
  min-width: 9.5rem;
  padding: 0.75rem 1rem;
  text-align: center;
  text-decoration: none;
}

.button.primary,
.button-link.primary {
  background: var(--purple);
  color: #fff;
}

.button.secondary,
.button-link.secondary {
  background: transparent;
  border: 1px solid rgba(217, 173, 85, 0.75);
  color: var(--gold-soft);
}

.button.ghost,
.button-link.ghost {
  background: rgba(16, 19, 38, 0.05);
  border: 1px solid var(--border);
  color: var(--ink);
}

.button.danger {
  background: var(--danger);
  color: #fff;
}

.button.small {
  min-height: 2.35rem;
  min-width: auto;
  padding: 0.5rem 0.7rem;
}

.hero-card {
  background: rgba(251, 246, 234, 0.08);
  border: 1px solid rgba(251, 246, 234, 0.16);
  border-radius: var(--radius);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

.hero-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.home-main {
  background: var(--paper);
}

.home-section,
.site-footer-inner {
  margin: 0 auto;
  max-width: var(--max-width);
  padding: 3.2rem 1.25rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.info-card,
.notice-card,
.worksheet-card,
.preview-panel,
.export-doc,
.disclaimer-panel {
  background: var(--paper-strong);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.info-card {
  min-height: 12rem;
  padding: 1.25rem;
}

.info-card h2,
.info-card h3 {
  color: var(--deep-navy);
  margin-bottom: 0.6rem;
}

.info-card p {
  color: var(--muted-ink);
}

.short-disclaimer {
  border-left: 4px solid var(--gold);
  color: var(--muted-ink);
  margin-top: 1.4rem;
  max-width: 780px;
  padding-left: 1rem;
}

.page-shell {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 235px minmax(0, 1fr);
  margin: 0 auto;
  max-width: var(--page-width);
  padding: 2rem 1.25rem 3.5rem;
}

.side-nav {
  align-self: start;
  background: var(--deep-navy);
  border-radius: var(--radius);
  color: var(--paper);
  position: sticky;
  top: 1.25rem;
}

.side-nav h2 {
  border-bottom: 1px solid var(--border-dark);
  font-size: 1rem;
  padding: 1rem 1rem 0.8rem;
}

.side-nav a {
  border-bottom: 1px solid rgba(251, 246, 234, 0.09);
  color: var(--muted-light);
  display: block;
  font-size: 0.94rem;
  font-weight: 700;
  padding: 0.72rem 1rem;
  text-decoration: none;
}

.side-nav a:hover,
.side-nav a:focus,
.side-nav a[aria-current="page"] {
  background: rgba(217, 173, 85, 0.12);
  color: var(--gold-soft);
}

.page-content {
  display: grid;
  gap: 1.25rem;
}

.page-intro {
  background: var(--night-ink);
  border-radius: var(--radius);
  color: var(--paper);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.page-intro h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  max-width: 15ch;
}

.page-intro p {
  color: var(--muted-light);
  margin-top: 0.85rem;
  max-width: 760px;
}

.privacy-note {
  border-left: 4px solid var(--gold);
  padding-left: 0.85rem;
}

.workspace-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(460px, 1.1fr) minmax(360px, 0.9fr);
}

.worksheet-card,
.preview-panel,
.export-doc,
.disclaimer-panel {
  padding: clamp(1rem, 2.2vw, 1.4rem);
}

.worksheet-card > h2,
.disclaimer-panel > h2,
.notice-card > h2 {
  line-height: 1.16;
  margin-bottom: 1.1rem;
}

.worksheet-card > h2 + .card-grid {
  margin-top: 0.45rem;
}

.worksheet-card form,
.field-grid,
.form-stack {
  display: grid;
  gap: 1rem;
}

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

.field-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

label,
legend {
  color: var(--deep-navy);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.field-help,
.status-line {
  color: var(--muted-ink);
  font-size: 0.92rem;
}

input,
select,
textarea {
  background: #fff;
  border: 1px solid rgba(32, 38, 56, 0.28);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 0.72rem 0.8rem;
  min-width: 0;
  width: 100%;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0;
  padding: 1rem;
}

.radio-row,
.checkbox-list {
  display: grid;
  gap: 0.55rem;
}

.radio-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-option {
  align-items: start;
  display: flex;
  gap: 0.55rem;
}

.check-option input {
  margin-top: 0.35rem;
  width: auto;
}

.repeat-list {
  display: grid;
  gap: 1rem;
}

.repeat-item {
  background: rgba(16, 19, 38, 0.035);
}

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

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

.beginner-note {
  background: rgba(217, 173, 85, 0.14);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 0.9rem 1rem;
}

.repeat-heading {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.preview-panel {
  align-self: start;
  display: grid;
  gap: 1rem;
  max-height: calc(100vh - 6rem);
  position: sticky;
  top: 1.25rem;
}

.preview-panel h2,
.export-doc h2 {
  font-size: 1.35rem;
}

.markdown-preview {
  background: #15182c;
  border-radius: var(--radius);
  color: #f8f3e6;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.5;
  margin: 0;
  max-height: 58vh;
  overflow: auto;
  padding: 1rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.preview-stack {
  display: grid;
  gap: 1rem;
}

.risk-item {
  border-top: 1px solid var(--border);
  display: grid;
  gap: 0.6rem;
  padding-top: 0.9rem;
}

.risk-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.export-grid {
  display: grid;
  gap: 1rem;
}

.export-doc {
  display: grid;
  gap: 0.85rem;
}

.export-doc .markdown-preview {
  max-height: 22rem;
}

.notice-card {
  border-left: 4px solid var(--gold);
  padding: 1rem 1.25rem;
}

.site-footer {
  background: var(--night-ink);
  color: var(--muted-light);
}

.site-footer-inner {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.site-footer a {
  color: var(--gold-soft);
}

.mobile-only {
  display: none;
}

@media (max-width: 980px) {
  .hero-inner,
  .workspace-grid,
  .page-shell,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  .side-nav,
  .preview-panel {
    position: static;
  }

  .side-nav {
    display: none;
  }

  .mobile-only {
    display: block;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .nav {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .site-header {
    position: sticky;
  }

  .brand-mark {
    min-width: 10rem;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-links {
    display: none;
    flex-basis: 100%;
    justify-content: flex-start;
  }

  .nav-links.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-inner,
  .home-section,
  .page-shell,
  .site-footer-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .field-grid.two,
  .field-grid.three,
  .radio-row {
    grid-template-columns: 1fr;
  }

  .button,
  .button-link {
    width: 100%;
  }

  .action-row .button,
  .action-row .button-link {
    width: auto;
  }

  .site-footer-inner {
    display: grid;
  }
}

@media print {
  .site-header,
  .side-nav,
  .hero-actions,
  .action-row,
  .button,
  .button-link,
  .site-footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .page-shell,
  .workspace-grid {
    display: block;
    padding: 0;
  }

  .page-intro,
  .worksheet-card,
  .preview-panel,
  .export-doc,
  .disclaimer-panel {
    box-shadow: none;
    color: #000;
  }
}