/* Landing page styles - professional, SEO-ready, mobile-first */
:root {
  --gold: #c98947;
  --gold-deep: #ab6c2d;
  --muted: #6d6a66;
  --ink: #1f2b28;
  --accent: #103a34;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-soft: rgba(255, 249, 242, 0.9);
  --surface-strong: #fffaf2;
  --line: rgba(171, 108, 45, 0.12);
  --shadow-soft: 0 18px 50px rgba(31, 27, 22, 0.07);
  --shadow-card: 0 10px 30px rgba(31, 27, 22, 0.06);
  --radius: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --bg-start: #fffaf6;
  --bg-mid: #f8eee0;
  --bg-end: #fffdfa;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body.landing-body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(201, 137, 71, 0.12), transparent 32%),
    radial-gradient(circle at top right, rgba(16, 58, 52, 0.06), transparent 28%),
    linear-gradient(180deg, var(--bg-start) 0%, var(--bg-mid) 48%, var(--bg-end) 100%);
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.main-shell {
  flex: 1 0 auto;
  padding: 18px 0 72px;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(255, 250, 245, 0.86);
  border-bottom: 1px solid rgba(171, 108, 45, 0.08);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.logo-mark {
  width: 54px;
  height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  filter: drop-shadow(0 14px 24px rgba(10, 21, 33, 0.18));
}

.logo-mark img,
.logo-mark svg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo {
  font-weight: 800;
  font-size: 1.28rem;
  letter-spacing: -0.03em;
  color: var(--gold-deep);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--accent);
  border-radius: 999px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.96rem;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-deep);
  background: rgba(201, 137, 71, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 12px 28px rgba(201, 137, 71, 0.2);
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(201, 137, 71, 0.24);
}

.btn:focus,
.nav-toggle:focus,
.faq-toggle:focus {
  outline: 3px solid rgba(16, 58, 52, 0.12);
  outline-offset: 2px;
}

.btn.secondary {
  background: rgba(241, 236, 230, 0.9);
  color: #3b3b3b;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: none;
}

.btn-sm {
  padding: 11px 16px;
  min-height: 44px;
}

.section-card,
.aside-card,
.card,
.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 250, 245, 0.92));
  border: 1px solid rgba(171, 108, 45, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.section-card { padding: 36px; }
.aside-card,
.card,
.panel { padding: 24px; }

.cost-note {
  width: fit-content;
  max-width: 720px;
  margin: 20px auto 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  border: 1px solid rgba(201, 137, 71, 0.32);
  border-left: 5px solid var(--gold);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 244, 228, 0.94) 100%);
  color: #4d3320;
  font-weight: 650;
  line-height: 1.55;
  box-shadow: 0 16px 38px rgba(171, 108, 45, 0.14);
}

.cost-note-label {
  flex: 0 0 auto;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(16, 58, 52, 0.1);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cost-note strong {
  color: var(--gold-deep);
  font-weight: 900;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(201, 137, 71, 0.14);
  color: var(--gold-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.h1 {
  margin: 14px 0 14px;
  font-size: clamp(2.15rem, 4.35vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  color: var(--accent);
}

h2,
h3,
h4 {
  color: var(--accent);
  letter-spacing: -0.03em;
}

.lead {
  color: var(--muted);
  max-width: 760px;
  font-size: 1.05rem;
}

.section-heading {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 28px;
}

.section-heading h2,
.section-heading h3 {
  margin: 0 0 10px;
  font-size: clamp(1.65rem, 2.55vw, 2.45rem);
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 380px);
  gap: 24px;
  align-items: start;
}

.cards,
.cards-2 {
  display: grid;
  gap: 18px;
}

.cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card h3,
.card h4 { margin-top: 0; }

.card h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.feature-icon {
  width: 28px;
  height: 28px;
  display: inline-block;
  vertical-align: middle;
  fill: var(--gold);
  stroke: var(--gold);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 28px;
}

.detail-kv {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(240, 230, 215, 0.75);
  font-weight: 800;
  color: #6b4f33;
  margin-bottom: 12px;
}

.kv .label {
  font-weight: 800;
  margin-bottom: 6px;
}

.kv .value {
  color: var(--muted);
  margin-bottom: 14px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid rgba(171, 108, 45, 0.08);
  background: rgba(255, 248, 240, 0.75);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0 30px;
  align-items: center;
}

.footer-copy {
  margin: 6px 0 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  font-size: 0.92rem;
}

.footer-social a {
  color: var(--gold-deep);
  font-weight: 700;
  text-decoration: none;
}

.footer-social a:hover {
  text-decoration: underline;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
  white-space: nowrap;
}

.footer-meta a {
  color: var(--gold-deep);
  text-decoration: none;
  font-weight: 700;
}

.footer-meta a:hover {
  text-decoration: underline;
}

.form-wrap { max-width: 720px; }

.input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(171, 108, 45, 0.16);
  background: #fff;
}

textarea { min-height: 160px; }

.faq-question { font-weight: 700; }
.faq-answer { color: var(--muted); }

.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0;
  margin: 0;
  cursor: pointer;
  text-align: left;
}

.faq-toggle .faq-question { font-size: 1rem; }
.faq-panel { padding-top: 12px; }
.faq-toggle-icon { transition: transform 0.18s ease; }
.faq-toggle[aria-expanded="true"] .faq-toggle-icon { transform: rotate(45deg); }

.register-link {
  color: #2f7468;
  font-weight: 700;
  text-decoration: underline;
}

.register-btn {
  display: inline-block;
  padding: 6px 10px;
  font-size: 13px;
  border-radius: 8px;
}

.register-btn:hover { transform: translateY(-1px); }

.home-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.home-stack > :first-child {
  margin-top: 0;
}

.home-stack > .section-card,
.home-stack > .cards-2,
.home-stack > .grid-2,
.home-stack > .seo-faq-panel {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.seo-hero {
  display: grid;
  gap: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 10%, rgba(201, 137, 71, 0.12), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 238, 0.92));
}

.seo-hero .h1 {
  max-width: 900px;
  font-size: clamp(2.55rem, 5vw, 4.8rem);
  line-height: 0.97;
}

.seo-hero .lead {
  max-width: 760px;
  margin: 0;
}

.seo-hero .btn-group {
  margin-top: 8px;
}

.seo-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.seo-hero-points span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(16, 58, 52, 0.07);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
}

.seo-hero-frame {
  margin-top: 4px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 238, 0.94));
  width: 100%;
}

.seo-hero-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  width: 100%;
}

.seo-hero-note {
  display: grid;
  gap: 10px;
  padding: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 248, 238, 0.92));
}

.seo-hero-note .card-title {
  display: block;
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
  line-height: 1.4;
}

.seo-hero-note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

@media (min-width: 992px) {
  .seo-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
    column-gap: 28px;
    align-items: start;
  }

  .seo-hero > .kicker {
    grid-column: 1;
    grid-row: 1;
  }

  .seo-hero > .h1 {
    grid-column: 1;
    grid-row: 2;
  }

  .seo-hero > .lead {
    grid-column: 1;
    grid-row: 3;
  }

  .seo-hero .h1,
  .seo-hero .lead {
    max-width: none;
  }

  .seo-hero > .seo-hero-notes {
    grid-column: 2;
    grid-row: 1 / span 2;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 0;
    align-self: start;
    position: relative;
    padding: 12px;
    border-radius: 26px;
    background: linear-gradient(180deg, rgba(255, 250, 245, 0.82), rgba(255, 245, 234, 0.68));
    border: 1px solid rgba(171, 108, 45, 0.08);
  }

  .seo-hero > .seo-hero-points {
    grid-column: 2;
    grid-row: 3;
    align-self: start;
    max-width: 360px;
  }

}

.seo-full-row {
  display: block;
  width: 100%;
  min-width: 100%;
  max-width: 100%;
  grid-column: 1 / -1;
  justify-self: stretch;
  align-self: stretch;
}

.seo-faq-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 24px;
  align-items: end;
}

.seo-faq-intro {
  position: static;
  min-width: 0;
}

.seo-faq-intro h2 {
  margin: 14px 0 12px;
  max-width: 620px;
  font-size: clamp(1.8rem, 2.55vw, 2.55rem);
  line-height: 1.1;
}

.seo-faq-intro p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.seo-faq-action {
  display: grid;
  gap: 14px;
}

.seo-faq-note {
  display: grid;
  gap: 4px;
  margin-top: 16px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 247, 235, 0.9);
  border: 1px solid rgba(201, 137, 71, 0.14);
  color: var(--muted);
  font-size: 0.9rem;
}

.seo-faq-note strong {
  color: var(--accent);
}

.seo-faq-intro .btn-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 0;
}

.seo-faq-intro .btn {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
}

.seo-faq-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  min-width: 0;
}

.seo-faq-grid .card {
  min-height: 100%;
  padding: 28px;
}

.seo-faq-grid h3 {
  margin: 0 0 14px;
  font-size: 1.02rem;
}

.seo-faq-grid .faq-answer {
  margin: 0;
  line-height: 1.72;
}

.seo-faq-panel {
  width: 100%;
  max-width: none;
  min-width: 0;
  justify-self: stretch;
  align-self: stretch;
  grid-column: 1 / -1;
}

.seo-faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
  max-width: none;
  margin: 0;
}

.seo-faq-item {
  padding: 26px 28px;
  gap: 10px;
}

.seo-faq-item .card-title {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--accent);
}

.seo-faq-item p {
  margin: 0;
  line-height: 1.75;
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 28px;
  align-items: center;
  padding: 34px;
  border-radius: 32px;
  background:
    radial-gradient(circle at top left, rgba(201, 137, 71, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 241, 0.95));
  border: 1px solid rgba(171, 108, 45, 0.08);
  box-shadow: var(--shadow-soft);
}

.hero-copy .lead {
  margin: 0;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.proof-item {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(171, 108, 45, 0.08);
}

.proof-item .card-title,
.mini-stat .card-title {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--accent);
}

.proof-item span,
.mini-stat span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
  padding: 12px 0;
}

.showcase-frame {
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(171, 108, 45, 0.12);
  background: #fff;
  box-shadow: 0 20px 42px rgba(31, 27, 22, 0.12);
}

.showcase-frame img,
.screenshot-card img,
.showcase-float img {
  width: 100%;
  display: block;
  height: auto;
}

.showcase-main {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0;
}

.showcase-float {
  position: relative;
  width: 100%;
  padding: 10px;
  border-radius: 18px;
  background: rgba(255, 250, 245, 0.96);
  border: 1px solid rgba(171, 108, 45, 0.12);
  box-shadow: var(--shadow-card);
}

.showcase-float img {
  border-radius: 12px;
  margin-bottom: 10px;
}

.showcase-float .card-title {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
  font-size: 0.95rem;
}

.showcase-float span {
  color: var(--muted);
  font-size: 0.84rem;
}

.float-left {
  align-self: start;
}

.float-right {
  align-self: start;
}

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

.mini-stat {
  padding: 6px 4px;
}

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

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.feature-card .card-title {
  font-weight: 700;
  color: var(--accent);
  line-height: 1.45;
}

.feature-card p,
.screenshot-copy p,
.page-lead,
.pricing-support p {
  margin: 0;
  color: var(--muted);
}

.article-read-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  margin-top: auto;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--accent);
  background:
    linear-gradient(180deg, rgba(255, 251, 245, 0.96), rgba(255, 242, 224, 0.88)),
    radial-gradient(circle at 20% 20%, rgba(201, 137, 71, 0.18), transparent 30%);
  border: 1px solid rgba(201, 137, 71, 0.18);
  box-shadow: 0 10px 24px rgba(31, 27, 22, 0.06);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.article-read-link::after {
  content: '';
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--gold-deep);
  border-right: 2px solid var(--gold-deep);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.article-read-link:hover {
  color: var(--gold-deep);
  border-color: rgba(201, 137, 71, 0.32);
  box-shadow: 0 14px 30px rgba(201, 137, 71, 0.14);
  transform: translateY(-2px);
}

.article-read-link:hover::after {
  transform: translateX(3px) rotate(45deg);
}

.article-read-link:focus {
  outline: 3px solid rgba(201, 137, 71, 0.18);
  outline-offset: 3px;
}

.feature-callout {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  background: linear-gradient(180deg, #fff8ee, #fff2df);
}

.cards .feature-callout,
.cards-2 .feature-callout {
  grid-column: span 2;
}

.feature-callout h3 {
  margin: 0;
  font-size: 1.8rem;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

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

.screenshot-card {
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(171, 108, 45, 0.1);
  background: #fff;
  box-shadow: var(--shadow-card);
}

.screenshot-copy {
  padding: 18px;
}

.screenshot-copy h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.bullet-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullet-list li {
  margin-bottom: 10px;
}

.page-hero {
  text-align: center;
}

.page-hero-left {
  text-align: left;
}

.page-title {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.page-hero-left .page-title,
.page-hero-left .page-lead {
  margin-left: 0;
  margin-right: 0;
}

.page-lead {
  max-width: 760px;
  margin: 0 auto;
}

.value-grid {
  align-items: stretch;
}

.compact-frame {
  padding: 0;
  align-self: center;
}

.pricing-support {
  align-items: center;
}

.article-shell {
  display: grid;
  gap: 24px;
}

.article-hero {
  position: relative;
  overflow: hidden;
}

.article-hero::after {
  content: '';
  position: absolute;
  inset: auto -80px -90px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 137, 71, 0.18), transparent 68%);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: start;
}

.article-body {
  display: grid;
  gap: 18px;
}

.article-body p {
  margin: 0;
  color: #4e5552;
}

.article-body h2 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
}

.article-section {
  display: grid;
  gap: 14px;
}

.article-section ul {
  margin: 0;
  padding-left: 18px;
  color: #4e5552;
}

.error-404-shell {
  position: relative;
}

.error-404-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 28px;
  position: relative;
  overflow: hidden;
  padding: 36px;
}

.error-404-layout::before {
  content: '';
  position: absolute;
  inset: -80px auto auto -90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 137, 71, 0.2), transparent 68%);
  pointer-events: none;
}

.error-404-layout::after {
  content: '';
  position: absolute;
  inset: auto -70px -90px auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 58, 52, 0.12), transparent 70%);
  pointer-events: none;
}

.error-404-copy,
.error-404-panel {
  position: relative;
  z-index: 1;
}

.error-404-code {
  margin: 18px 0 12px;
  font-size: clamp(4.3rem, 12vw, 8rem);
  line-height: 0.9;
  font-weight: 900;
  letter-spacing: -0.08em;
  color: rgba(16, 58, 52, 0.14);
}

.error-404-lead {
  color: #4f5b57;
}

.error-404-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.error-404-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.error-404-stat {
  min-width: 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(171, 108, 45, 0.1);
  box-shadow: 0 14px 30px rgba(31, 27, 22, 0.05);
}

.error-404-stat strong,
.error-404-link-card strong,
.error-404-check-item strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 0.96rem;
}

.error-404-stat span,
.error-404-link-card span,
.error-404-check-item span,
.error-404-panel-head p {
  display: block;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.error-404-panel {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 247, 238, 0.9));
  border: 1px solid rgba(171, 108, 45, 0.12);
  box-shadow: 0 22px 44px rgba(31, 27, 22, 0.08);
}

.error-404-panel-head p {
  margin: 10px 0 0;
}

.error-404-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.error-404-link-card,
.error-404-check-item {
  text-decoration: none;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(171, 108, 45, 0.08);
}

.error-404-link-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.error-404-link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(171, 108, 45, 0.2);
  box-shadow: 0 16px 30px rgba(31, 27, 22, 0.08);
}

.error-404-checklist {
  display: grid;
  gap: 12px;
}

.article-aside {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 18px;
}

.article-card-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.article-link-list {
  display: grid;
  gap: 12px;
}

.article-link-list a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.article-link-list a:hover {
  color: var(--gold-deep);
}

.article-cta {
  background: linear-gradient(180deg, rgba(255, 248, 238, 0.98), rgba(255, 243, 228, 0.95));
}

.article-cta p {
  margin: 0;
  color: var(--muted);
}

.article-highlight {
  padding: 18px 20px;
  border-left: 4px solid rgba(201, 137, 71, 0.8);
  background: rgba(255, 249, 242, 0.92);
  border-radius: 16px;
  color: #5a534d;
}

@media (max-width: 900px) {
  .container { width: min(100% - 24px, 1120px); }
  .main-shell { padding: 14px 0 56px; }
  .grid-2,
  .cards,
  .cards-2 { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .seo-full-row,
  .seo-faq-section,
  .seo-hero,
  .hero-shell,
  .error-404-layout,
  .hero-proof,
  .trust-strip,
  .screenshot-grid,
  .screenshot-grid-3,
  .cards-featured {
    grid-template-columns: 1fr;
  }
  .section-card,
  .aside-card,
  .card,
  .panel { padding: 22px; }
  .showcase-main {
    width: 100%;
    margin-left: 0;
  }

  .showcase-main picture {
    display: block;
  }

  .showcase-main img {
    height: clamp(360px, 112vw, 520px);
    object-fit: cover;
    object-position: 14% top;
  }

  .hero-visual {
    gap: 14px;
  }
  .showcase-float {
    position: static;
    width: 100%;
    margin-top: 14px;
  }
  .feature-callout {
    grid-column: auto;
  }
  .article-aside {
    position: static;
  }
  .seo-hero {
    gap: 24px;
  }
  .seo-hero-notes {
    grid-template-columns: 1fr;
  }
  .seo-faq-intro {
    position: static;
  }
  .seo-faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .error-404-stats,
  .error-404-link-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero-shell {
    padding: 22px;
  }

  .cost-note {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .seo-hero .h1 {
    font-size: clamp(2.1rem, 12vw, 3.4rem);
  }

  .seo-hero-points {
    display: none;
  }

  .seo-hero-notes {
    grid-template-columns: 1fr;
  }

  .seo-faq-grid {
    grid-template-columns: 1fr;
  }

  .seo-faq-intro .btn-group {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    grid-template-columns: 1fr;
  }

  .error-404-layout {
    padding: 22px;
  }

  .error-404-actions,
  .error-404-stats,
  .error-404-link-grid {
    grid-template-columns: 1fr;
  }

  .error-404-actions {
    display: grid;
  }

  .showcase-float {
    display: none;
  }
}

@media (max-width: 860px) {
  .navbar-inner {
    min-height: 72px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 12px;
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid rgba(171, 108, 45, 0.1);
    background: rgba(255, 250, 245, 0.98);
    box-shadow: var(--shadow-soft);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a,
  .nav-links .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-meta {
    flex-wrap: wrap;
    white-space: normal;
  }
}