/* histozon.com — landing styles (orange accent, Amazon-inspired but cleaner) */
:root {
  --bg:        #0a0e1a;
  --bg2:       #131826;
  --bg3:       #1d2333;
  --border:    #2a3148;
  --text:      #f1f5f9;
  --text2:     #a3b1c8;
  --text3:     #6b7693;
  --accent:    #ff9900;        /* Amazon orange */
  --accent2:   #ffd814;        /* Amazon yellow */
  --green:     #22c55e;
  --orange:    #f59e0b;
  --red:       #ef4444;
  --gradient:  linear-gradient(135deg, #ff9900 0%, #ffd814 100%);
  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 8px 32px rgba(255, 153, 0, 0.18);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: inline-flex; align-items: center; gap: 8px; line-height: 1; text-decoration: none; color: inherit; font-weight: 800; font-size: 1.1rem; }
.logo:hover { text-decoration: none; opacity: 0.85; }
.logo-icon { width: 32px; height: 32px; border-radius: 7px; display: block; object-fit: contain; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--text2); font-size: 0.9rem; font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.lang-switch { color: var(--text2); font-size: 0.82rem; padding: 6px 10px; border-radius: 6px; border: 1px solid var(--border); display: inline-flex; align-items: center; gap: 4px; }
.lang-switch:hover { color: var(--text); border-color: var(--accent); background: rgba(255, 153, 0, 0.08); text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.92rem; cursor: pointer; transition: all 0.2s; border: none; text-decoration: none; }
.btn-primary { background: var(--gradient); color: #0a0e1a; font-weight: 700; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; color: #0a0e1a; }
/* btn-secondary: dark bg with clearly visible border + bright text for high contrast */
.btn-secondary {
  background: rgba(255, 153, 0, 0.08);
  color: var(--text);
  border: 1.5px solid rgba(255, 153, 0, 0.45);
  font-weight: 600;
}
.btn-secondary:hover {
  background: rgba(255, 153, 0, 0.16);
  border-color: var(--accent);
  color: var(--text);
  text-decoration: none;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* Header nav — make CTA more visible */
.nav .btn-primary { padding: 8px 16px; font-size: 0.85rem; }

/* Hero */
.hero { padding: 80px 0 48px; }
.hero-center { max-width: 820px; margin: 0 auto; text-align: center; }
.hero-badge { display: inline-block; padding: 5px 12px; border-radius: 999px; background: rgba(255, 153, 0, 0.12); color: var(--accent); font-size: 0.78rem; font-weight: 600; margin-bottom: 18px; }
.hero h1 { font-size: 2.85rem; line-height: 1.1; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 18px; }
.hero h1 .highlight { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.1rem; color: var(--text2); margin-bottom: 28px; max-width: 580px; margin-left: auto; margin-right: auto; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-trust { margin-top: 22px; color: var(--text3); font-size: 0.88rem; }
.hero-stats { margin-top: 36px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; max-width: 720px; margin-left: auto; margin-right: auto; }
@media (max-width: 600px) { .hero-stats { grid-template-columns: repeat(2, 1fr); } }
.hero-stat { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 8px; text-align: center; }
.hero-stat strong { display: block; font-size: 1.4rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-stat span { font-size: 0.72rem; color: var(--text3); display: block; margin-top: 2px; }

/* Demo box (live ASIN comparison) */
.demo-section { padding: 48px 0; }
.demo-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; max-width: 900px; margin: 0 auto;
  box-shadow: 0 8px 32px rgba(255, 153, 0, 0.08);
}
.demo-card h2 { font-size: 1.6rem; margin-bottom: 8px; }
.demo-card .lead { color: var(--text2); margin-bottom: 22px; font-size: 0.95rem; }
.demo-form { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.demo-form input {
  flex: 1; min-width: 220px; padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--bg3); border: 1px solid var(--border); color: var(--text); font-size: 0.95rem;
}
.demo-form input:focus { outline: none; border-color: var(--accent); }
.demo-output { min-height: 120px; }
.demo-loading { color: var(--text3); text-align: center; padding: 20px; font-size: 0.9rem; }
.demo-error { color: var(--red); padding: 14px; background: rgba(239,68,68,0.1); border-radius: var(--radius-sm); font-size: 0.9rem; }
.demo-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.demo-table th, .demo-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.demo-table th { color: var(--text3); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
.demo-table td.amount { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.demo-table tr.is-best td { background: rgba(34, 197, 94, 0.08); color: var(--green); font-weight: 700; }
.demo-table .delta { font-size: 0.78rem; padding: 2px 7px; border-radius: 4px; font-weight: 700; }
.demo-table .delta-good { color: var(--green); background: rgba(34, 197, 94, 0.15); }
.demo-table .delta-bad { color: var(--red); background: rgba(239, 68, 68, 0.15); }
.demo-cta-buy { background: var(--accent2); color: #0a0e1a; padding: 4px 12px; border-radius: 6px; font-weight: 600; font-size: 0.82rem; }
.demo-cta-buy:hover { background: var(--accent); text-decoration: none; }

/* Sections */
.section { padding: 72px 0; border-top: 1px solid var(--border); }
.section h2 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; text-align: center; }
.section h2 .highlight { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section .section-lead { color: var(--text2); text-align: center; max-width: 600px; margin: 0 auto 40px; }

/* Use cases / features grid */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .features-grid { grid-template-columns: 1fr; } }
.feature { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 20px; transition: all 0.2s; }
.feature:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 153, 0, 0.12); }
.feature-icon { font-size: 1.8rem; margin-bottom: 10px; display: block; }
.feature-name { font-weight: 600; font-size: 1.05rem; margin-bottom: 6px; }
.feature-desc { color: var(--text2); font-size: 0.88rem; line-height: 1.55; }

/* Comparison table */
.compare-wrap { overflow-x: auto; margin-top: 36px; }
.compare-table { width: 100%; min-width: 720px; border-collapse: collapse; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.compare-table th, .compare-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.compare-table thead th { background: var(--bg3); color: var(--text2); font-weight: 600; font-size: 0.78rem; text-align: center; vertical-align: top; }
.compare-table thead th span { display: block; color: var(--text3); font-weight: 400; font-size: 0.72rem; margin-top: 4px; }
.compare-table thead th.us { background: linear-gradient(135deg, rgba(255,153,0,0.18), rgba(255,216,20,0.06)); color: var(--text); font-weight: 700; }
.compare-table thead th.us span { color: var(--accent); font-weight: 600; }
.compare-table tbody td { color: var(--text2); text-align: center; }
.compare-table tbody td:first-child { color: var(--text); font-weight: 500; text-align: left; }
.compare-table tbody td.us { background: rgba(255,153,0,0.06); color: var(--text); font-weight: 600; }
.compare-table tbody tr:last-child td { border-bottom: none; }

/* How it works */
.howto-grid { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 18px; align-items: center; margin-top: 36px; }
@media (max-width: 800px) { .howto-grid { grid-template-columns: 1fr; } .howto-arrow { display: none; } }
.howto-step { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; text-align: center; transition: all 0.2s; }
.howto-step:hover { border-color: var(--accent); transform: translateY(-2px); }
.howto-num { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; background: var(--gradient); color: #0a0e1a; font-weight: 800; font-size: 1.1rem; margin-bottom: 14px; }
.howto-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.howto-step p { color: var(--text2); font-size: 0.9rem; line-height: 1.55; }
.howto-arrow { font-size: 1.6rem; color: var(--text3); text-align: center; }

/* FAQ */
.faq-item { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 10px; transition: all 0.15s; }
.faq-item:hover { border-color: var(--text3); }
.faq-q { font-weight: 600; cursor: pointer; color: var(--text); padding-right: 24px; position: relative; }
.faq-q::after { content: '▾'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); color: var(--text3); transition: transform 0.2s; }
.faq-item.open .faq-q::after { transform: translateY(-50%) rotate(180deg); }
.faq-a { display: none; padding-top: 12px; color: var(--text2); font-size: 0.92rem; line-height: 1.65; }
.faq-item.open .faq-a { display: block; }

/* Final CTA */
.section-final-cta { padding: 48px 0 80px; }
.final-cta-card {
  background: linear-gradient(135deg, rgba(255,153,0,0.18), rgba(255,216,20,0.08));
  border: 1px solid rgba(255,153,0,0.4); border-radius: var(--radius);
  padding: 48px 32px; text-align: center;
}
.final-cta-card h2 { font-size: 2rem; margin-bottom: 12px; letter-spacing: -0.01em; }
.final-cta-card p { color: var(--text2); font-size: 1.05rem; margin-bottom: 24px; }
.final-cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 18px; }
.final-cta-trust { color: var(--text3); font-size: 0.82rem; margin-bottom: 0; }

/* Footer */
.footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 50px 0 28px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h4 { font-size: 0.78rem; color: var(--text2); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; font-weight: 600; }
.footer-col a { display: block; color: var(--text2); font-size: 0.9rem; padding: 4px 0; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { padding-top: 22px; border-top: 1px solid var(--border); color: var(--text3); font-size: 0.82rem; text-align: center; }
.affiliate-disclosure { background: rgba(255, 153, 0, 0.04); border-left: 3px solid var(--accent); padding: 12px 16px; border-radius: 6px; margin-bottom: 22px; color: var(--text2); font-size: 0.8rem; line-height: 1.55; }

/* Legal pages */
.legal-page { max-width: 760px; margin: 0 auto; padding: 40px 20px 80px; }
.legal-page h1 { font-size: 2rem; margin-bottom: 8px; }
.legal-page .updated { color: var(--text3); font-size: 0.85rem; margin-bottom: 32px; }
.legal-page h2 { font-size: 1.25rem; margin: 32px 0 12px; color: var(--text); }
.legal-page p, .legal-page li { color: var(--text2); margin-bottom: 10px; line-height: 1.65; }
.legal-page ul { margin-left: 22px; margin-bottom: 14px; }
.legal-page strong { color: var(--text); }

/* Responsive */
@media (max-width: 720px) {
  .hero h1 { font-size: 2rem; }
  .hero p.lead { font-size: 1rem; }
  .demo-card { padding: 22px 18px; }
  .section { padding: 56px 0; }
}

/* Web App nav link — orange accent badge style */
.webapp-link {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--gradient); color: #0a0e1a !important;
  padding: 6px 12px; border-radius: 7px;
  font-size: 0.82rem; font-weight: 700;
  text-decoration: none; transition: all 0.15s;
}
.webapp-link:hover { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(255, 153, 0, 0.35); text-decoration: none; }