/* Mobile Terminal — Shared Styles */
/* Design tokens from Pencil mock */

:root {
  --bg-dark: #0A0F1C;
  --bg-header: #0F172A;
  --bg-card: #1E293B;
  --cyan: #22D3EE;
  --white: #FFFFFF;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --text-footer: #475569;
  --border: #1E293B;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-muted);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.header {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
}

.logo-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
}

.logo-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.nav-wrap {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--white);
}

.nav-active {
  color: var(--cyan) !important;
  font-weight: 600;
}

.lang-toggle {
  background: transparent;
  border: 1px solid var(--text-dim);
  border-radius: 4px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  letter-spacing: 0.5px;
}

.lang-toggle:hover {
  color: var(--white);
  border-color: var(--text-muted);
}

/* Hero */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 64px 40px 48px;
  background: linear-gradient(180deg, var(--bg-header) 0%, var(--bg-dark) 100%);
  gap: 16px;
  text-align: center;
}

.icon-hero {
  font-size: 48px;
  color: var(--cyan);
}

.hero-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--white);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
}

.hero-date {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Content */
.content {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 48px;
  flex: 1;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan);
}

.section-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* Highlight Box */
.highlight-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border-radius: 8px;
  padding: 16px 20px;
}

.icon-sm {
  font-size: 20px;
  color: var(--cyan);
  flex-shrink: 0;
}

.highlight-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

/* Bullet List */
.bullet-list {
  list-style: none;
  padding-left: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bullet-list li {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-muted);
}

.bullet-list li::before {
  content: "\2022";
  margin-right: 8px;
  color: var(--text-dim);
}

/* Data Cards */
.card-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.data-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border-radius: 8px;
  padding: 16px 20px;
}

.icon-card {
  font-size: 20px;
  color: var(--cyan);
  flex-shrink: 0;
}

.card-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
}

.card-desc {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-dim);
}

/* Info Note */
.info-note {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-header);
  border-radius: 6px;
  padding: 12px 16px;
}

.icon-note {
  font-size: 16px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.info-note p {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-muted);
}

/* Email Link (Privacy page) */
.email-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border-radius: 6px;
  padding: 10px 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--cyan);
  width: fit-content;
  transition: background 0.2s;
}

.email-link:hover {
  background: #253347;
}

.email-link .lucide,
.email-link i {
  font-size: 16px;
  color: var(--cyan);
}

/* Features Grid (Support page) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--bg-card);
  border-radius: 8px;
  padding: 20px;
}

.feature-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.feature-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 20px;
}

.faq-question {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--text-dim);
  transition: transform 0.2s;
}

.faq-item[open] .faq-question::after {
  content: "\2212";
}

.faq-answer {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.faq-answer a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Contact Section (Support page) */
.contact-section {
  align-items: center;
  text-align: center;
  padding: 40px 0;
}

.contact-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
}

.contact-desc {
  font-size: 15px;
  color: var(--text-muted);
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--cyan);
  color: var(--bg-dark);
  border-radius: 8px;
  padding: 14px 32px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  transition: opacity 0.2s;
}

.contact-btn:hover {
  opacity: 0.9;
}

.contact-btn .lucide,
.contact-btn i {
  font-size: 18px;
  color: var(--bg-dark);
}

/* Footer */
.footer {
  background: var(--bg-header);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}

.footer-copy {
  font-size: 12px;
  color: var(--text-footer);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-links a {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    padding: 16px 20px;
  }

  .hero {
    padding: 48px 20px 32px;
  }

  .hero-title {
    font-size: 28px;
  }

  .content {
    padding: 32px 20px;
    gap: 36px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    padding: 24px 20px;
  }

  .nav-wrap {
    gap: 20px;
  }

  .contact-btn {
    padding: 12px 24px;
    font-size: 13px;
  }
}