/* LockIn Wallet — Landing & Content Page Styles */

:root {
  --color-bg: #1a202c;
  --color-bg-secondary: #2d3748;
  --color-bg-tertiary: #4a5568;
  --color-text: #e2e8f0;
  --color-text-secondary: #a0aec0;
  --color-accent: #48bb78;
  --color-accent-light: #9ae6b4;
  --color-accent-dark: #2f855a;
  --color-warning: #ed8936;
  --color-white: #ffffff;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  --max-width: 1100px;
  --max-content: 780px;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-accent); }

/* ── Navigation ── */

.landing-nav {
  background: var(--color-bg-secondary);
  padding: var(--spacing-sm) var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-bg-tertiary);
}

.landing-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.landing-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.landing-logo span { color: var(--color-white); }

.landing-nav-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  list-style: none;
}

.landing-nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.landing-nav-links a:hover { color: var(--color-white); }

/* ── Buttons ── */

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg) !important;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  color: var(--color-accent);
  padding: 0.85rem 2rem;
  border: 2px solid var(--color-accent);
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  margin-left: var(--spacing-sm);
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-nav {
  padding: 0.5rem 1.2rem !important;
  font-size: 0.9rem !important;
}

/* ── Hero ── */

.landing-hero {
  text-align: center;
  padding: var(--spacing-xxl) var(--spacing-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.landing-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.landing-hero .accent { color: var(--color-accent); }

.landing-hero .subtitle {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ── Sections ── */

.landing-section {
  padding: var(--spacing-xxl) var(--spacing-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.landing-section-alt {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.landing-section-alt .landing-section {
  padding: 0;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--color-white);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  letter-spacing: -0.01em;
}

.section-title .accent { color: var(--color-accent); }

/* ── Feature Grid ── */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius);
  border: 1px solid var(--color-bg-tertiary);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
  color: var(--color-accent);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.feature-card p {
  color: var(--color-text-secondary);
  line-height: 1.65;
  font-size: 0.95rem;
}

/* ── Steps / How It Works ── */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  counter-reset: step;
}

.step-card {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-sm);
  counter-increment: step;
}

.step-number {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-bg);
  border-radius: 50%;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.step-card h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ── Article / Content Pages ── */

.article-content {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.article-content h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.article-meta {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  font-size: 0.9rem;
}

.article-content h2 {
  font-size: 1.7rem;
  color: var(--color-white);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
  letter-spacing: -0.01em;
}

.article-content h3 {
  font-size: 1.25rem;
  color: var(--color-accent-light);
  margin: var(--spacing-lg) 0 var(--spacing-xs);
}

.article-content p {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.article-content ul,
.article-content ol {
  color: var(--color-text);
  margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-lg);
}

.article-content li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.7;
}

.article-content strong { color: var(--color-white); }

.article-content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.article-content a:hover { color: var(--color-accent-light); }

/* ── CTA Banner ── */

.cta-banner {
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-bg-secondary));
  padding: var(--spacing-xl);
  border-radius: var(--radius);
  text-align: center;
  margin: var(--spacing-xl) 0;
  border: 1px solid var(--color-accent-dark);
}

.cta-banner h2,
.cta-banner h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.cta-banner p {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Callout Box ── */

.callout {
  background: var(--color-bg-secondary);
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.callout p { margin-bottom: 0; }

.callout-warning {
  border-left-color: var(--color-warning);
}

/* ── Resource Box ── */

.resource-box {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-bg-tertiary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.resource-box h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.resource-box ul {
  list-style: none;
  margin: 0;
}

.resource-box li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-bg-tertiary);
}

.resource-box li:last-child { border-bottom: none; }

/* ── FAQ Section ── */

.faq-item {
  margin-bottom: var(--spacing-lg);
}

.faq-item h3 {
  color: var(--color-white);
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xs);
}

/* ── Footer ── */

.landing-footer {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xl) var(--spacing-lg);
  border-top: 1px solid var(--color-bg-tertiary);
}

.landing-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-lg);
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: var(--spacing-xs); }

.footer-col a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--spacing-lg) auto 0;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-bg-tertiary);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .landing-hero h1 { font-size: 2rem; }
  .landing-hero .subtitle { font-size: 1.05rem; }
  .landing-nav-links { display: none; }
  .article-content h1 { font-size: 1.75rem; }
  .section-title { font-size: 1.6rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn-secondary { margin-left: 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
}