/* ═══════════════════════════════════════
   FACTUURAPP — landing.css
   ═══════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:         #16162a;
  --ink-soft:    #5a5a7a;
  --paper:       #f4f2ed;
  --surface:     #ffffff;
  --accent:      #c9a96e;
  --accent-dark: #a07840;
  --border:      #e2ddd5;
  --font-body:   'DM Sans', system-ui, sans-serif;
  --font-display:'DM Serif Display', Georgia, serif;
  --font-mono:   'DM Mono', monospace;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--ink); background: var(--ink);
  -webkit-font-smoothing: antialiased; }

/* ── NAV ──────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(22,22,42,.97);
  backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-brand { display: flex; align-items: center; gap: .6rem;
  font-family: var(--font-display); font-size: 1.25rem; color: #fff; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a { font-size: .9rem; color: rgba(244,242,237,.6); text-decoration: none;
  transition: color .18s; }
.nav-links a:hover { color: #fff; }
.nav-login { font-weight: 500; }
.nav-cta { background: var(--accent); color: var(--ink) !important; padding: .45rem 1.1rem;
  border-radius: 6px; font-weight: 500; transition: background .18s !important; }
.nav-cta:hover { background: var(--accent-dark) !important; color: #fff !important; }

/* ── HERO ─────────────────────────────── */
/* Wrapper fills full width with dark bg */
.hero-section {
  background: var(--ink);
  background-image: radial-gradient(ellipse at 10% 50%, rgba(201,169,110,.18) 0%, transparent 55%),
                    radial-gradient(ellipse at 90% 20%, rgba(201,169,110,.1) 0%, transparent 50%);
  width: 100%;
}
.hero {
  min-height: calc(100vh - 64px);
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 4rem;
  padding: 5rem 2rem;
  max-width: 1100px; margin: 0 auto;
}

.hero-badge { display: inline-block; font-family: var(--font-mono); font-size: .72rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(201,169,110,.35); padding: .35rem .85rem;
  border-radius: 20px; margin-bottom: 1.5rem; }
.hero-title { font-family: var(--font-display); font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  color: #fff; line-height: 1.1; margin-bottom: 1.25rem; }
.hero-title em { font-style: italic; color: var(--accent); }
.hero-sub { font-size: 1.05rem; color: rgba(255,255,255,.65); line-height: 1.7;
  margin-bottom: 2rem; max-width: 480px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.btn-hero-primary { background: var(--accent); color: var(--ink); font-weight: 600;
  font-size: .95rem; padding: .85rem 1.75rem; border-radius: 8px; text-decoration: none;
  transition: background .18s, transform .15s; }
.btn-hero-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
.btn-hero-ghost { color: rgba(255,255,255,.6); font-size: .9rem; text-decoration: none;
  padding: .85rem 1rem; transition: color .18s; display: flex; align-items: center; }
.btn-hero-ghost:hover { color: #fff; }
.hero-trust { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.hero-trust span { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em;
  color: rgba(255,255,255,.4); }

/* ── MOCK INVOICE ─────────────────────── */
.hero-preview { display: flex; align-items: center; justify-content: center; }
.mock-invoice { background: #fff; border-radius: 4px; padding: 28px 32px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 2px 8px rgba(0,0,0,.2);
  width: 100%; max-width: 340px; font-family: var(--font-body); font-size: 9px; color: var(--ink);
  transform: rotate(1.5deg); }
.mock-bar { height: 3px; background: linear-gradient(90deg,var(--accent),var(--ink));
  margin: -28px -32px 20px; border-radius: 4px 4px 0 0; }
.mock-header { display: flex; justify-content: space-between; margin-bottom: 14px; }
.mock-company { font-family: var(--font-display); font-size: 14px; margin-bottom: 3px; }
.mock-detail { font-size: 7.5px; color: #888; line-height: 1.6; }
.mock-right { text-align: right; }
.mock-word { font-family: var(--font-display); font-size: 20px; color: var(--ink); }
.mock-num { font-family: var(--font-mono); font-size: 7.5px; color: var(--accent-dark); }
.mock-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  background: #f9f8f5; padding: 10px 12px; border-radius: 2px;
  border-left: 2.5px solid var(--accent); margin-bottom: 14px; }
.mock-label { font-family: var(--font-mono); font-size: 6px; text-transform: uppercase;
  letter-spacing: .1em; color: var(--accent-dark); margin-bottom: 3px; }
.mock-name { font-size: 9px; font-weight: 600; }
.mock-table { margin-bottom: 10px; }
.mock-thead { display: flex; justify-content: space-between; border-bottom: 1px solid var(--ink);
  padding-bottom: 4px; margin-bottom: 4px; font-family: var(--font-mono);
  font-size: 6.5px; text-transform: uppercase; color: #aaa; }
.mock-row { display: flex; justify-content: space-between; padding: 3px 0;
  font-size: 8px; border-bottom: .5px solid #f0f0f0; }
.mock-total { display: flex; justify-content: space-between; padding: 6px 0 4px;
  border-top: 1.5px solid var(--ink); font-size: 9px; font-weight: 600; }
.mock-total-amt { font-family: var(--font-mono); }
.mock-term { font-size: 7px; color: #3d7a52; background: #f0f5f0;
  padding: 5px 8px; border-radius: 2px; border-left: 2px solid #3d7a52; }

/* ── FEATURES ─────────────────────────── */
.features { background: var(--paper); clear: both; padding: 6rem 2rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--accent-dark); margin-bottom: .75rem; }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--ink); margin-bottom: 3rem; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feature-card { background: white; border: 1px solid var(--border); border-radius: 10px;
  padding: 1.75rem; transition: box-shadow .2s, transform .2s; }
.feature-card:hover { box-shadow: 0 8px 24px rgba(22,22,42,.1); transform: translateY(-2px); }
.feature-icon { font-size: 1.8rem; margin-bottom: .85rem; }
.feature-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .5rem; }
.feature-card p  { font-size: .88rem; color: var(--ink-soft); line-height: 1.6; }

/* ── PRICING ──────────────────────────── */
.pricing { background: var(--ink); padding: 6rem 2rem;
  background-image: radial-gradient(ellipse at 80% 50%, rgba(201,169,110,.12) 0%, transparent 55%); }
.pricing .section-label { color: var(--accent); }
.pricing .section-title { color: white; }
.pricing-card { background: rgba(255,255,255,.05); border: 1.5px solid rgba(201,169,110,.3);
  border-radius: 16px; padding: 3rem; max-width: 480px; }
.pricing-top { margin-bottom: 2rem; }
.pricing-name { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.pricing-price { display: flex; align-items: baseline; gap: .35rem; margin-bottom: .5rem; }
.price-amount { font-family: var(--font-display); font-size: 3.5rem; color: white; line-height: 1; }
.price-period { font-size: 1rem; color: rgba(255,255,255,.5); }
.pricing-sub { font-size: .82rem; color: rgba(255,255,255,.4); font-family: var(--font-mono); }
.pricing-list { list-style: none; margin-bottom: 2rem; }
.pricing-list li { font-size: .9rem; color: rgba(255,255,255,.75); padding: .45rem 0;
  border-bottom: 1px solid rgba(255,255,255,.06); }
.pricing-list li:last-child { border-bottom: none; }
.btn-pricing { display: block; background: var(--accent); color: var(--ink);
  font-weight: 600; font-size: 1rem; text-align: center; text-decoration: none;
  padding: 1rem 2rem; border-radius: 8px; margin-bottom: 1rem;
  transition: background .18s, transform .15s; }
.btn-pricing:hover { background: var(--accent-dark); color: white; transform: translateY(-1px); }
.pricing-note { font-size: .78rem; color: rgba(255,255,255,.3); text-align: center;
  font-family: var(--font-mono); }

/* ── FOOTER ───────────────────────────── */
.footer { background: #0e0e1e; padding: 2.5rem 2rem; border-top: 1px solid rgba(255,255,255,.06); }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex;
  align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-brand { display: flex; align-items: center; gap: .5rem; font-family: var(--font-display);
  font-size: 1rem; color: rgba(255,255,255,.5); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: .82rem; color: rgba(255,255,255,.35); text-decoration: none;
  transition: color .18s; }
.footer-links a:hover { color: rgba(255,255,255,.7); }
.footer-copy { font-size: .75rem; color: rgba(255,255,255,.25); font-family: var(--font-mono); }

/* ── HAMBURGER MENU ───────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  z-index: 200;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(244,242,237,.8);
  border-radius: 2px;
  transition: all .25s;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu dropdown */
.nav-mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(16,16,30,.98);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.25rem 1.5rem 1.5rem;
  gap: .25rem;
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  font-size: 1rem;
  color: rgba(244,242,237,.75);
  text-decoration: none;
  padding: .75rem 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: color .18s;
}
.nav-mobile-menu a:hover { color: #fff; }
.nav-mobile-cta {
  margin-top: .75rem;
  background: var(--accent) !important;
  color: var(--ink) !important;
  text-align: center;
  padding: .85rem !important;
  border-radius: 8px;
  font-weight: 600;
  border: none !important;
}
.nav-mobile-lang {
  display: flex;
  gap: .4rem;
  margin-bottom: .75rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-mobile-lang button {
  font-family: 'DM Mono', monospace;
  font-size: .72rem;
  letter-spacing: .08em;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(244,242,237,.6);
  padding: .4rem .85rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all .18s;
}
.nav-mobile-lang button.active {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
  font-weight: 600;
}

/* ── RESPONSIVE ───────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 3rem 1.5rem; gap: 0; }
  .hero-preview { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { max-width: 100%; }
}
@media (max-width: 768px) {
  .nav-desktop { display: none !important; }
  .nav-hamburger { display: flex; }
  .nav-inner { height: 60px; }
  .hero { padding: 2.5rem 1.25rem; min-height: calc(100vh - 60px); }
  .hero-title { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero-sub { font-size: .95rem; }
  .hero-actions { flex-direction: column; }
  .btn-hero-primary, .btn-hero-ghost { width: 100%; text-align: center; justify-content: center; }
  .hero-trust { flex-direction: column; gap: .5rem; }
  .features { padding: 3.5rem 1.25rem; }
  .features-grid { grid-template-columns: 1fr; gap: 1rem; }
  .section-title { font-size: 1.6rem; }
  .pricing { padding: 3.5rem 1.25rem; }
  .pricing-card { padding: 2rem 1.5rem; }
  .price-amount { font-size: 2.8rem; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; gap: 1.25rem; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .nav-brand span { font-size: 1.1rem; }
}

/* ── LANGUAGE SWITCHER (public pages) ── */
.pub-lang-switcher {
  display: flex;
  background: rgba(22,22,42,.08);
  border: 1px solid rgba(22,22,42,.12);
  border-radius: 6px;
  overflow: hidden;
}
.nav .pub-lang-switcher {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.15);
}
.pub-lang-btn {
  font-family: 'DM Mono', monospace;
  font-size: .7rem;
  letter-spacing: .08em;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  padding: .38rem .7rem;
  display: flex;
  align-items: center;
  gap: .25rem;
  transition: background .18s, color .18s;
  color: rgba(244,242,237,.55);
}
.pub-lang-btn:hover { background: rgba(255,255,255,.1); color: #f4f2ed; }
.pub-lang-btn.active { background: #c9a96e; color: #16162a; font-weight: 600; }

/* For light nav */
.nav .pub-lang-switcher .pub-lang-btn { color: rgba(22,22,42,.45); }
.nav .pub-lang-switcher .pub-lang-btn:hover { background: rgba(22,22,42,.06); color: #16162a; }
.nav .pub-lang-switcher .pub-lang-btn.active { background: #16162a; color: #f4f2ed; }