/* Theme variables */
:root {
    color-scheme: light;
    --bg: #f8fafc;
    --panel: #ffffff;
    --tableoddrow: #eeeeee;
    --ink: #0f172a;
    --muted: #475569;
    --accent: #2563eb;
    --teal: #0f766e;
    --border: #1010C0;
    --code: #102033;
}

/* Base */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
  color: var(--ink);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

h2 { line-height: 1.2; margin-top: 0; }

/* Buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
}

.btn-primary { background: var(--accent); color: white; }
.btn-secondary { background: #eef2ff; color: #3730a3; }

.btn-big-center {
    font-size: large;
    display: block;
    text-align: center;
    margin: 0 auto;
}

/* Layout: Topbar & Hero */
.topbar {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

.topbar a { font-weight: 700; }

.hero {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2rem;
}

.hero p { color: var(--muted); }

.introduction {
    font-size: large;
}

/* Components */
.badge {
  width: 200px;
  border-radius: 50%;
  background: #fff;
  padding: .5rem;
  box-shadow: 0 16px 35px rgba(15,23,42,.1);
}

.badge-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 1.25rem;
  box-shadow: 0 20px 45px rgba(15,23,42,6%);
  text-align: center;
}

.badge-card img {
  width: 220px;
  max-width: 100%;
  border-radius: 50%;
}

.card,
.panel,
.step {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.35rem;
  margin: 1rem 0;
  box-shadow: 0 10px 25px rgba(15,23,42,4%);
}

.panel p { color: var(--muted); }

.pill {
  display: inline-block;
  padding: .3rem .65rem;
  border-radius: 999px;
  background: #ecfeff;
  color: var(--teal);
  font-size: .84rem;
  font-weight: 700;
  margin-bottom: .75rem;
}

.quote {
  margin: 2rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent);
  background: #eff6ff;
  color: #1d4ed8;
  border-radius: .5rem;
}

.step-header {
    display: flex;
    align-items: baseline;
    gap: .75rem
}

.number {
    color: var(--accent);
    font-size: .9rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase
}

.hashbert {
  margin: 1rem 0 0;
  padding: .85rem 1rem;
  border-left: 4px solid var(--teal);
  background: #ecfeff;
  color: #115e59;
  border-radius: .4rem;
}

.preprecode {
  overflow-x: auto;
  padding: 1rem;
  border-radius: .65rem;
  background: var(--code);
  color: #e2e8f0;
  font-size: .88rem;
  line-height: 1.5;
}

.questions {
    border-spacing: 2px;
}
.questionmark {
    font-size: large;
}
.questions-evenrow {
    background-color: var(--panel);
    padding-left: 1em;
    padding-right: 1em;
}
.questions-oddrow {
    background-color: var(--tableoddrow);
    padding-left: 1em;
    padding-right: 1em;
}

/* Grids */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .75rem;
  margin-top: 1rem;
}

.gallery img {
  width: 100%;
  height: auto;
  border-radius: .8rem;
  border: 1px solid var(--border);
}

.flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: 1.25rem 0;
}

.flow div {
  border: 1px solid var(--border);
  border-radius: .7rem;
  padding: .85rem;
  background: #f8fbff;
}

.flow strong {
  display: block;
  color: var(--accent);
}

/* Comparison Table */
.comparison {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
}

.comparison th,
.comparison td {
  padding: .85rem .7rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.comparison th {
  color: var(--muted);
  font-size: .9rem;
}

.comparison td:nth-child(2),
.comparison td:nth-child(3) {
  font-weight: 700;
}

.yes { color: var(--teal); }
.no { color: #b91c1c; }

/* URL List */
.url-list {
  display: grid;
  gap: .65rem;
  margin: 1rem 0;
}

.url-list code {
  display: block;
  padding: .7rem .85rem;
  border-radius: .5rem;
  background: #f8fbff;
  border: 1px solid var(--border);
  overflow-x: auto;
}

.url-list .good { border-left: 4px solid var(--teal); }
.url-list .bad { border-left: 4px solid #dc2626; }

/* Feature List */
.feature-list {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0;
}

.feature-item {
  padding: .85rem;
  border-left: 4px solid var(--accent);
  background: #eff6ff;
  border-radius: .4rem;
}

.feature-item strong {
  display: block;
  color: var(--accent);
  margin-bottom: .35rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--accent) 0%, #1e40af 100%);
  color: #fff;
  padding: 2rem;
  border-radius: 1rem;
  margin: 1.5rem 0;
  text-align: center;
}

.cta-section h3 {
  margin: 0 0 1rem;
  font-size: 1.3rem;
}

.cta-section a {
  color: #fff;
  text-decoration: underline;
}

/* Footer */
.footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Media Queries */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  .hero { grid-template-columns: 1fr; }
  .badge { width: 120px; }
  .comparison { font-size: .9rem; }
  .comparison th,
  .comparison td { padding: .7rem .4rem; }
  .flow { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .gallery { grid-template-columns: 1fr; }
}