:root {
  --ts-bg: #ffffff;
  --ts-surface: #ffffff;
  --ts-text: #111827;
  --ts-muted: #4b5563;
  --ts-border: #dde4ee;
  --ts-line: #e2e8f0;
  --ts-brand: #00aa13;
  --ts-accent: #008810;
  --ts-shadow-soft: 0 8px 28px -20px rgba(17, 24, 39, 0.24);
  --ts-radius-xl: 18px;
  --ts-radius-2xl: 22px;
  --ts-radius-pill: 999px;
  --ts-space-xs: 0.65rem;
  --ts-space-sm: 0.9rem;
  --ts-space-md: 1.1rem;
  --ts-space-lg: 1.35rem;
  --ts-space-xl: 1.7rem;
  --ts-space-2xl: 2.2rem;
  --ts-font-size-base: clamp(15px, 1.7vw, 17px);
  --ts-max-width: 1240px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
}

body {
  font-family: "Montserrat", system-ui, sans-serif;
  background: var(--ts-bg);
  color: var(--ts-text);
  font-size: var(--ts-font-size-base);
  line-height: 1.45;
}

body::before,
body::after {
  content: none !important;
}

a {
  color: #111827;
  word-break: break-word;
}

a.card,
a.link-card,
a .ts-utility-link {
  text-decoration: none;
}

.page {
  width: min(var(--ts-max-width), 100%);
  margin: 0 auto;
  padding: var(--ts-space-md) clamp(0.95rem, 2.5vw, 1.4rem) var(--ts-space-2xl);
  display: grid;
  gap: var(--ts-space-lg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ts-space-sm);
  flex-wrap: wrap;
}

.nav-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
  font-size: 1.22rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 700;
  font-family: "Montserrat", system-ui, sans-serif;
}

.logo::before {
  content: "";
  width: 2rem;
  height: 2rem;
  border-radius: 10px;
  background: #fff;
  background-image: url("/trueseller-logo.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  border: 1px solid var(--ts-border);
  flex-shrink: 0;
}

.logo:focus-visible {
  outline: 2px solid rgba(17, 24, 39, 0.55);
  outline-offset: 2px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.nav-links a {
  text-decoration: none;
  color: #334155;
  font-size: 0.82rem;
  padding: 0.32rem 0.72rem;
  border-radius: var(--ts-radius-pill);
  border: 1px solid transparent;
  font-weight: 600;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.nav-links a.active,
.nav-links a:hover,
.nav-links a:focus-visible {
  background: #ffffff;
  border-color: var(--ts-border);
  color: #111827;
}

h1,
h2,
h3 {
  font-family: "Montserrat", system-ui, sans-serif;
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 5vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  line-height: 1.2;
}

h3 {
  margin: 0;
  font-size: 1.1rem;
}

.meta {
  margin: 0;
  color: #64748b;
  font-size: 0.84rem;
}

.hero,
.section,
.hero-card,
.card,
.notice {
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius-xl);
  box-shadow: var(--ts-shadow-soft);
  display: grid;
  gap: var(--ts-space-sm);
}

.hero,
.hero-card,
.card,
.notice,
.section {
  padding: var(--ts-space-md);
}

.hero {
  align-items: start;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.hero-copy {
  display: grid;
  gap: 0.8rem;
}

.hero-copy p {
  margin: 0;
  color: var(--ts-muted);
  line-height: 1.7;
}

.hero-card ul,
.section ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.hero-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.95rem;
  color: var(--ts-muted);
  line-height: 1.55;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--ts-brand);
  margin-top: 0.6rem;
  flex-shrink: 0;
}

.section {
  gap: var(--ts-space-sm);
}

.section p,
.section li,
.faq-group p,
details p,
ul li {
  color: var(--ts-muted);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
}

.section p + p,
ul + p,
.hero p + p {
  margin-top: 0.5rem;
}

section p + p {
  margin-top: 0.5rem;
}

.section h2,
.section-header h2,
.faq-group h2 {
  margin-bottom: 0.3rem;
}

.faq-group,
.grid,
.contact-list,
.hero-card,
.cta-row,
.section-header {
  display: grid;
  gap: var(--ts-space-sm);
}

.section-header {
  margin: 0;
}

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

.contact-list {
  margin: 0;
  padding-left: 1.05rem;
  list-style: disc;
}

.download {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.cta-row {
  margin-top: 0.1rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.56rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease;
  white-space: nowrap;
}

.cta.primary {
  background: var(--ts-brand);
  color: #fff;
  border-color: var(--ts-brand);
}

.cta.secondary {
  background: #f1f5f9;
  color: #111827;
  border-color: #dbe1eb;
}

.cta:hover,
.cta:focus-visible {
  transform: translateY(-1px);
}

.toc {
  border-radius: var(--ts-radius-2xl);
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  box-shadow: var(--ts-shadow-soft);
  padding: 0.95rem;
  display: grid;
  gap: 0.45rem;
}

.toc strong {
  font-size: 0.92rem;
}

.toc a {
  text-decoration: none;
  color: #111827;
  font-size: 0.9rem;
}

.toc a:hover,
.toc a:focus-visible {
  text-decoration: underline;
}

details {
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius-xl);
  background: #fff;
  padding: 0.75rem 0.9rem;
}

summary {
  cursor: pointer;
  font-weight: 700;
  color: #111827;
  font-size: 1rem;
}

@media (max-width: 720px) {
  .page {
    padding: var(--ts-space-md) 0.95rem var(--ts-space-2xl);
  }

  .nav {
    align-items: flex-start;
    gap: 0.65rem;
  }

  .logo {
    font-size: 1.06rem;
  }

  .logo::before {
    width: 1.8rem;
    height: 1.8rem;
  }
}