/* OBLIBOX marketing site — hand-written, dependency-free CSS. */

:root {
  --color-primary: #2454d6;
  --color-primary-dark: #163a9e;
  --color-accent: #f5a623;
  --color-ink: #101828;
  --color-muted: #4b5468;
  --color-border: #e3e7f0;
  --color-surface: #ffffff;
  --color-surface-alt: #f7f8fb;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 30px rgba(16, 24, 40, 0.08);
  --max-width: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.04em;
  text-decoration: none;
  color: var(--color-ink);
  white-space: nowrap;
}
.brand img { width: 34px; height: 34px; }

.nav-shell {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.94rem;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--color-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: min(100%, 400px);
}

.nav-toggle {
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
  border-radius: 999px;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

.lang-select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-family: inherit;
  font-size: 14px;
  background: var(--color-surface);
  color: var(--color-ink);
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav {
    flex-wrap: wrap;
    padding: 12px 0;
  }
  .nav-shell {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }
  .nav-links {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }
  .hide-mobile { display: none; }
}

@media (max-width: 700px) {
  .nav {
    align-items: center;
  }
  .nav-shell {
    display: none;
  }
  body.nav-open .nav-shell {
    display: block;
    width: 100%;
    order: 3;
  }
  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0 8px;
  }
  .nav-actions {
    width: auto;
    margin-left: auto;
  }
  .nav-toggle { display: inline-flex; }
  /* Keep the language selector accessible on mobile instead of hiding it. */
  .nav-actions .lang-select {
    display: inline-block;
    max-width: 122px;
    min-width: 0;
    padding: 8px 6px;
  }
}

@media (max-width: 420px) {
  /* Preserve room for the brand, language picker and menu at 320px. */
  .nav { gap: 8px; }
  .brand { gap: 6px; font-size: 1rem; }
  .brand img { width: 29px; height: 29px; }
  .nav-actions { gap: 6px; min-width: 0; }
  .nav-actions .btn-primary { display: none; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  min-height: 44px;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-card); }
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary { background: #fff; color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-surface-alt); }

.btn-ghost { background: transparent; color: var(--color-ink); border-color: var(--color-border); }

.btn-sm { padding: 8px 16px; font-size: 14px; min-height: 36px; }

/* ---------- Hero ---------- */

.hero {
  padding: 64px 0 48px;
  background: radial-gradient(circle at top right, rgba(36, 84, 214, 0.08), transparent 55%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-art {
  position: relative;
  background: linear-gradient(160deg, #eef3ff, #fff7ea);
  border-radius: 32px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(36, 84, 214, 0.08);
  border: 1px solid rgba(36, 84, 214, 0.08);
  text-align: center;
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 24px;
  border: 1px solid rgba(36, 84, 214, 0.08);
}
.hero-art img { max-width: 320px; margin: 0 auto; position: relative; z-index: 1; }

.eyebrow {
  display: inline-block;
  background: rgba(36, 84, 214, 0.1);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}

.hero p.lead {
  font-size: 18px;
  color: var(--color-muted);
  margin: 0 0 28px;
  max-width: 46ch;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 18px; }

.hero-note { font-size: 13px; color: var(--color-muted); }

/* ---------- Sections ---------- */

section { padding: 72px 0; }
.section-alt { background: var(--color-surface-alt); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section-head h2 { font-size: clamp(26px, 4vw, 36px); margin: 0 0 14px; }
.section-head p { color: var(--color-muted); margin: 0; font-size: 17px; }

.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(36, 84, 214, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.card h3 { margin: 0 0 10px; font-size: 19px; }
.card p { margin: 0; color: var(--color-muted); font-size: 15px; }

/* How it works */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 56px; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; max-width: 820px; margin: 0 auto; }
.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.price-card.featured { border-color: var(--color-primary); position: relative; }

.price-card h3 { margin: 4px 0 6px; font-size: 22px; }
.price-amount { font-size: 40px; font-weight: 800; margin: 6px 0 4px; line-height: 1; }
.price-amount small { font-size: 15px; font-weight: 600; color: var(--color-muted); }
.price-sub { color: var(--color-muted); font-size: 14px; margin-bottom: 20px; }
.price-list { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.price-list li { padding: 8px 0; padding-left: 26px; position: relative; font-size: 14px; }
.price-list li::before { content: "✓"; position: absolute; left: 0; color: var(--color-primary); font-weight: 800; }

.comparison-legend {
  max-width: 720px;
  margin: 24px auto 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.comparison-title {
  text-align: center;
  margin-top: 42px;
}

.table-scroll { max-width: 100%; overflow-x: auto; margin-top: 18px; border-radius: 14px; -webkit-overflow-scrolling: touch; }
.table-scroll:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.table-scroll .limits-table { min-width: 540px; margin-top: 0; }

.limits-table {
  width: min(100%, 760px);
  border-collapse: collapse;
  margin: 18px auto 0;
  font-size: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
}
.limits-table th, .limits-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--color-border); }
.limits-table th { color: var(--color-muted); font-weight: 700; background: rgba(36,84,214,0.03); }
.limits-table tbody tr:last-child td { border-bottom: none; }

@media (max-width: 720px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card { padding: 24px 20px; }
  .comparison-title { margin-top: 32px; }
}

/* Platforms */
.platform-badges { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.platform-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  background: var(--color-surface);
}
.platform-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #12b76a; }
.platform-badge.soon .dot { background: #f5a623; }

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 4px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--color-ink);
  font-family: inherit;
}
.faq-question .icon { font-size: 20px; transition: transform 0.2s ease; flex-shrink: 0; }
.faq-item[data-open="true"] .icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  color: var(--color-muted);
  font-size: 15px;
}
.faq-item[data-open="true"] .faq-answer { max-height: 400px; }
.faq-answer-inner { padding: 0 4px 20px; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}
.cta-band h2 { margin: 0 0 14px; font-size: clamp(24px, 4vw, 32px); }
.cta-band p { margin: 0 0 26px; opacity: 0.9; }
.cta-band .btn-primary { background: #fff; color: var(--color-primary-dark); }
.cta-band .btn-primary:hover { background: #eef1ff; }
.cta-band .btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: #cbd2e1;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: #fff; margin-bottom: 12px; }
.footer-brand img { width: 28px; height: 28px; }
.site-footer p { color: #9aa4bb; font-size: 14px; }
.footer-col h4 { color: #fff; font-size: 14px; margin: 0 0 14px; text-transform: uppercase; letter-spacing: 0.04em; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #cbd2e1; text-decoration: none; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; font-size: 13px; color: #7d879d; }

/* Legal pages */
.legal-content { max-width: 760px; margin: 0 auto; }
.legal-content h1 { margin-top: 0; }
.legal-content h2 { margin-top: 36px; }
.legal-note {
  background: #fff7e6;
  border: 1px solid #f5cf87;
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 14px;
  margin-bottom: 32px;
}

/* Responsive */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-links, .nav-actions .btn-secondary { display: none; }
  .nav-toggle { display: flex; }
  body.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px 28px;
    border-bottom: 1px solid var(--color-border);
    gap: 18px;
  }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 32px 20px; }
  section { padding: 52px 0; }
}