:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-alt: #eef2f7;
  --line: #d5dde7;
  --text: #0b1220;
  --muted: #556278;
  --brand: #0f766e;
  --brand-strong: #115e59;
  --brand-soft: #d2f5ef;
  --danger: #be123c;
  --danger-soft: #ffe4e8;
  --ok: #166534;
  --ok-soft: #dcfce7;
  --shadow: 0 12px 30px rgba(2, 20, 38, 0.08);
  --radius-xs: 0.5rem;
  --radius-sm: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'IBM Plex Sans', 'Avenir Next', 'Segoe UI', sans-serif;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, #d6edea 0, transparent 40%),
    radial-gradient(circle at 100% 0%, #ecf1ff 0, transparent 35%),
    var(--bg);
}

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

a {
  color: var(--brand-strong);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--brand);
}

.container {
  width: min(1120px, 100% - 2rem);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  background: var(--text);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, #ffffff 86%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--line) 70%, transparent);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 0.55rem;
  background: linear-gradient(135deg, var(--brand), #0ea5a0);
  color: #f0fdfa;
  display: inline-grid;
  place-items: center;
  font-weight: 800;
}

.brand-text {
  font-size: 1.06rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.25rem;
}

.site-nav a {
  display: inline-block;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--brand-strong);
  background: var(--brand-soft);
}

main.container {
  padding: 1.15rem 0 5rem;
}

.surface {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  margin-top: 1rem;
}

.surface.compact {
  padding: 1.1rem;
}

.eyebrow {
  margin: 0;
  color: var(--brand-strong);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.65rem, 2.4vw, 2.35rem);
}

h2 {
  font-size: clamp(1.25rem, 1.8vw, 1.6rem);
}

h3 {
  font-size: 1.05rem;
}

.hero-lead,
.muted,
.helper-text,
.section-head p,
.link-card p,
.info-card p,
.comparison-grid p,
.keyword-group li,
.faq-answer p,
.footer-legal p {
  color: var(--muted);
}

.helper-text {
  margin: 0.45rem 0 0;
  font-size: 0.92rem;
}

.helper-text.is-error {
  color: var(--danger);
}

.helper-text.is-success {
  color: var(--ok);
}

.hero-form {
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
}

.hero-form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

label {
  font-weight: 600;
}

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

input[type='url'] {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text);
  min-height: 2.9rem;
  padding: 0.75rem 0.85rem;
}

.btn,
button {
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  min-height: 2.9rem;
  padding: 0.66rem 1rem;
  cursor: pointer;
  font-weight: 650;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: background-color 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.btn:active,
button:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--brand);
  color: #f0fdfa;
}

.btn-primary:hover {
  background: var(--brand-strong);
  color: #f0fdfa;
}

.btn-ghost,
button.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover,
button.secondary:hover {
  background: var(--surface-alt);
}

.btn[disabled],
button[disabled] {
  cursor: not-allowed;
  opacity: 0.65;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--brand) 44%, white);
  outline-offset: 2px;
}

.badge-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge-list li {
  font-size: 0.83rem;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.32rem 0.7rem;
  color: #36445a;
}

.link-card-grid,
.card-grid,
.comparison-grid,
.keyword-groups,
.step-grid {
  display: grid;
  gap: 0.75rem;
}

.link-card,
.info-card,
.step-card,
.keyword-group,
.comparison-grid > article {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  background: #fff;
}

.step-number {
  margin: 0;
  font-size: 0.84rem;
  color: var(--brand-strong);
  font-weight: 700;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.result-summary {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.8rem;
}

.result-summary figure {
  margin: 0;
  max-width: 320px;
}

.result-summary img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-alt);
}

.result-summary-content h3 {
  margin-bottom: 0.35rem;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.6rem;
}

.format-tabs {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.format-tabs button {
  background: #fff;
  border: 1px solid var(--line);
  color: #253247;
  min-height: 2.4rem;
  padding: 0.45rem 0.8rem;
}

.format-tabs button.is-active {
  background: var(--brand-soft);
  border-color: color-mix(in oklab, var(--brand) 35%, var(--line));
  color: var(--brand-strong);
}

.format-grid {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.75rem;
}

.format-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.8rem;
  background: #fff;
}

.format-title {
  margin: 0;
  font-weight: 700;
}

.format-subtitle {
  margin: 0.3rem 0 0.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.format-tags {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.format-tags li {
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.56rem;
  font-size: 0.78rem;
  color: #334155;
}

.format-actions {
  margin-top: 0.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.format-actions .btn {
  min-height: 2.45rem;
  padding-inline: 0.85rem;
}

.state-note {
  margin: 0.7rem 0 0;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  padding: 0.65rem;
  background: color-mix(in oklab, var(--surface-alt) 75%, white);
}

.progress-meta {
  margin-top: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.progress {
  margin-top: 0.35rem;
  width: 100%;
  height: 0.82rem;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  overflow: hidden;
}

.progress > div {
  height: 100%;
  width: 0;
  transition: width 220ms ease;
  background: linear-gradient(90deg, #14b8a6, #0ea5a0);
}

.progress-label {
  margin: 0.45rem 0 0;
  font-weight: 600;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.22rem 0.62rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: #253247;
  background: #fff;
}

.status-pill[data-state='completed'] {
  background: var(--ok-soft);
  border-color: color-mix(in oklab, var(--ok) 40%, white);
  color: var(--ok);
}

.status-pill[data-state='failed'],
.status-pill[data-state='expired'] {
  background: var(--danger-soft);
  border-color: color-mix(in oklab, var(--danger) 30%, white);
  color: var(--danger);
}

.callout {
  margin-top: 0.65rem;
  border-radius: var(--radius-sm);
  padding: 0.72rem;
  border: 1px solid var(--line);
}

.callout-error {
  background: var(--danger-soft);
  border-color: color-mix(in oklab, var(--danger) 30%, white);
  color: var(--danger);
}

.keyword-group ul,
.simple-list {
  margin: 0;
  padding-left: 1.05rem;
}

.faq-list {
  display: grid;
  gap: 0.55rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
}

.faq-question {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  min-height: 3rem;
  padding: 0.7rem 0.8rem;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.faq-answer {
  padding: 0 0.8rem 0.8rem;
}

.breadcrumb {
  margin-top: 1rem;
}

.breadcrumb ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: 0.4rem;
  color: #90a0b8;
}

.page-hero .inline-actions {
  margin-top: 0.95rem;
}

.site-footer {
  margin-top: 1rem;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.footer-grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.footer-grid h2 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.footer-grid ul {
  margin: 0;
  padding-left: 1.05rem;
}

.footer-legal {
  border-top: 1px solid var(--line);
  margin-top: 0.85rem;
  padding-top: 0.85rem;
}

.legal-note p {
  margin: 0.5rem 0 0;
}

.mobile-sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 0.7rem 1rem;
  background: color-mix(in oklab, #ffffff 93%, transparent);
  border-top: 1px solid var(--line);
}

.mobile-sticky-cta .btn {
  width: 100%;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

@media (min-width: 700px) {
  .hero-form-row {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .result-summary {
    grid-template-columns: minmax(240px, 320px) 1fr;
    align-items: start;
  }

  .link-card-grid,
  .card-grid,
  .comparison-grid,
  .keyword-groups,
  .step-grid,
  .format-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .link-card-grid,
  .card-grid,
  .comparison-grid,
  .keyword-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .mobile-sticky-cta {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}