/**
 * Landing page – standalone styles for wisptools.io.
 * Dark theme by default for the landing.
 */
:root {
  /* Colors - Primary */
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-light: #93c5fd;
  --color-primary-dark: #1e40af;
  --color-secondary: #64748b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;
  --color-border: #e5e7eb;
  --color-background-primary: #ffffff;
  --color-background-secondary: #f9fafb;
  --color-background-tertiary: #f3f4f6;
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;
  --color-text-inverse: #ffffff;
  /* Spacing / layout */
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-normal: 1.5;
}

/* Dark theme (landing default) */
[data-theme="dark"],
.landing-page {
  --color-primary: #60a5fa;
  --color-primary-hover: #3b82f6;
  --color-secondary: #94a3b8;
  --color-success: #34d399;
  --color-border: #374151;
  --color-background-primary: #0f172a;
  --color-background-secondary: #1e293b;
  --color-background-tertiary: #334155;
  --color-text-primary: #f8fafc;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #0f172a;
}

.landing-page {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
  min-height: 100vh;
  margin: 0;
}

.landing-page * {
  box-sizing: border-box;
}

.landing-page a {
  color: var(--color-primary);
  text-decoration: none;
}

.landing-page a:hover {
  text-decoration: underline;
}

/* Layout */
.landing-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.landing-wrap-wide {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero: logo large, center top */
.landing-hero {
  text-align: center;
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.landing-hero-logo {
  display: block;
  margin: 0 auto;
  width: 100%;
  max-width: 280px;
  height: auto;
}

.landing-hero-tagline {
  margin-top: 1rem;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
}

.landing-main {
  padding: 2rem 0 4rem;
}

.landing-main h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--color-text-primary);
}

.landing-seo-kicker {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: 0 0 1rem;
  max-width: 62ch;
}

.landing-seo-kicker strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

.landing-lead {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin: 0 0 2rem;
  max-width: 52ch;
}

.landing-manifesto {
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 2.5rem;
  margin: 2.5rem 0;
}

.landing-manifesto h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 2rem 0 1rem;
  color: var(--color-text-primary);
}

.landing-manifesto h2:first-child {
  margin-top: 0;
}

.landing-manifesto p {
  margin: 0 0 1rem;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.landing-manifesto p:last-child {
  margin-bottom: 0;
}

.landing-manifesto .landing-highlight {
  color: var(--color-text-primary);
}

.landing-cta-box {
  background: var(--color-background-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}

.landing-cta-box p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.landing-hashtags {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.landing-hashtags span {
  margin-right: 0.5rem;
}

.landing-section-title {
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 3rem 0 1rem;
}

.landing-news {
  margin: 2.5rem 0 0;
}

.landing-news .landing-section-title {
  margin-top: 0;
}

.landing-news-item {
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-top: 1rem;
}

.landing-news-item h3 {
  font-size: 1.05rem;
  font-weight: var(--font-weight-semibold);
  margin: 0.35rem 0 0.75rem;
  color: var(--color-text-primary);
}

.landing-news-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.landing-news-date {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary);
  margin: 0 0 0.25rem;
}

.landing-oss {
  margin: 2.5rem 0 0;
}

.landing-oss .landing-section-title {
  margin-top: 0;
}

.landing-oss-body {
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-top: 1rem;
}

.landing-oss-body p {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.landing-oss-body p:last-child {
  margin-bottom: 0;
}

.landing-oss-link {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.landing-oss-link a {
  font-weight: var(--font-weight-medium);
}

.landing-cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 1rem;
}

.landing-card {
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.landing-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.landing-card-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--color-background-tertiary);
  display: block;
}

.landing-card-body {
  padding: 1.25rem 1.5rem;
}

.landing-card h3 {
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  margin: 0 0 0.5rem;
  color: var(--color-text-primary);
}

.landing-card p {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.landing-card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.landing-card-links .landing-sep {
  color: var(--color-border);
}

.landing-share {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-background-secondary);
}

.landing-share-inner {
  text-align: center;
}

.landing-share-title {
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  margin: 0 0 0.35rem;
  color: var(--color-text-primary);
}

.landing-share-lead {
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.landing-share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.share-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.share-btn-star {
  background: rgba(96, 165, 250, 0.12);
  border-color: rgba(96, 165, 250, 0.35);
}

.share-btn-star:hover {
  background: rgba(96, 165, 250, 0.2);
}

.share-btn-secondary {
  font-weight: var(--font-weight-normal);
  opacity: 0.95;
}

.landing-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}