/* ArgonTech venue-systems landing — shared design system.
   Matches the ArgonTechs brand: OLED black, argon-violet glow, glass cards. */

:root {
  --bg: #050505;
  --argon-300: #c4b5fd;
  --argon-500: #8b5cf6;
  --cyan-400: #22d3ee;
  --text-hi: #f4f4f6;
  --text-mid: #b9b9c1;
  --text-low: #8b8b94;
  --line: rgba(255, 255, 255, 0.1);
  --card: rgba(255, 255, 255, 0.03);
  --font-display: 'Clash Display', 'Segoe UI', system-ui, sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-mid);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.orb-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}

.orb-violet {
  width: 55vw;
  height: 55vw;
  top: -20vw;
  right: -15vw;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.32), transparent 70%);
}

.orb-cyan {
  width: 40vw;
  height: 40vw;
  bottom: -18vw;
  left: -12vw;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 70%);
}

.container {
  width: min(1080px, 100% - 3rem);
  margin-inline: auto;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--text-hi);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
}

p { margin: 0; }

a { color: var(--argon-300); text-decoration: none; }
a:hover { text-decoration: underline; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-low);
}

.glow {
  background: linear-gradient(120deg, var(--argon-300), var(--argon-500) 60%, var(--cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(5, 5, 5, 0.7);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.9rem;
  gap: 1rem;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-hi);
}

.wordmark b { color: var(--argon-300); font-weight: 600; }
.wordmark span { color: var(--text-low); }

.header-nav {
  display: flex;
  gap: 1.4rem;
  align-items: center;
}

.header-nav a {
  font-size: 0.88rem;
  color: var(--text-mid);
}

.header-nav a:hover { color: var(--argon-300); text-decoration: none; }

/* buttons */
.btn {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  background: linear-gradient(120deg, var(--argon-500), #6d28d9);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text-hi);
  border: 1px solid var(--line);
}

.btn-ghost:hover { box-shadow: none; border-color: var(--argon-500); }

.btn-sm { padding: 0.55rem 1.2rem; font-size: 0.85rem; }

/* sections */
.section { padding-block: 5.5rem; }

.section-title {
  margin-top: 1.25rem;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  max-width: 24ch;
}

.section-sub {
  margin-top: 1.1rem;
  max-width: 62ch;
  color: var(--text-mid);
}

/* hero */
.hero { padding-block: 7rem 5rem; }

.hero h1 {
  margin-top: 1.6rem;
  font-size: clamp(2.4rem, 6.5vw, 4.6rem);
  max-width: 19ch;
}

.hero-sub {
  margin-top: 1.6rem;
  max-width: 56ch;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}

.hero-cta {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-facts {
  margin: 4rem 0 0;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.hero-facts dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-low);
}

.hero-facts dd {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
  color: var(--text-mid);
}

/* cards */
.card-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.8rem;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.7rem;
}

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

/* process */
.steps {
  margin: 3rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 1.2rem;
  align-items: start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.4rem 1.6rem;
}

.steps li::before {
  content: '0' counter(step);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--argon-300);
  padding-top: 0.15rem;
}

.steps h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.steps p { font-size: 0.93rem; }

/* pricing */
.pricing-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.price-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: rgba(139, 92, 246, 0.55);
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.10), var(--card) 55%);
}

.price-tag {
  margin-top: 1.2rem;
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 600;
  color: var(--text-hi);
}

.price-tag small {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-low);
}

.price-note {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-low);
}

.price-card ul {
  margin: 1.4rem 0 1.8rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
  font-size: 0.92rem;
}

.price-card li { padding-left: 1.4rem; position: relative; }

.price-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--argon-300);
}

.price-card li.excl { color: var(--text-low); }
.price-card li.excl::before { content: '＋'; color: var(--text-low); }

.price-card .btn { margin-top: auto; text-align: center; }

.badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--argon-300);
  border: 1px solid rgba(139, 92, 246, 0.45);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  margin-bottom: 0.4rem;
}

.fine-print {
  margin-top: 1.6rem;
  font-size: 0.85rem;
  color: var(--text-low);
  max-width: 70ch;
}

/* FAQ */
.faq { margin-top: 2.5rem; display: grid; gap: 0.8rem; }

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.1rem 1.4rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-hi);
  font-size: 0.98rem;
}

.faq details p {
  margin-top: 0.8rem;
  font-size: 0.93rem;
}

/* contact */
.contact-shell {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.08), var(--card) 60%);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center;
}

.contact-shell h2 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  margin-top: 1.2rem;
}

.contact-shell .hero-cta { justify-content: center; }

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2.6rem;
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.footer-grid h3 {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-low);
  font-weight: 500;
  margin-bottom: 0.7rem;
}

.footer-grid p, .footer-grid li { color: var(--text-low); }

.footer-grid ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.4rem; }

.footer-bottom {
  margin-top: 2.2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-low);
}

/* legal pages */
.legal {
  padding-block: 4.5rem;
  max-width: 76ch;
}

.legal h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 0.6rem; }

.legal .meta { color: var(--text-low); font-size: 0.88rem; margin-bottom: 2.5rem; }

.legal h2 {
  font-size: 1.3rem;
  margin: 2.6rem 0 0.9rem;
}

.legal h3 { font-size: 1.05rem; margin: 1.8rem 0 0.6rem; }

.legal p, .legal li { font-size: 0.96rem; margin-bottom: 0.8rem; }

.legal ul, .legal ol { padding-left: 1.4rem; }

.legal .summary-box {
  background: var(--card);
  border: 1px solid rgba(139, 92, 246, 0.35);
  border-radius: 16px;
  padding: 1.5rem 1.7rem;
  margin-bottom: 2.5rem;
}

.legal .summary-box h2 { margin-top: 0; font-size: 1.05rem; }

.lang-divider {
  margin: 3.5rem 0;
  border: none;
  border-top: 1px dashed var(--line);
}

@media (max-width: 768px) {
  .section { padding-block: 3.8rem; }
  .hero { padding-block: 5rem 3.5rem; }
  .hero-facts { grid-template-columns: 1fr; gap: 1.2rem; margin-top: 2.6rem; }
  .header-nav a:not(.btn) { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .steps li { grid-template-columns: 2.4rem 1fr; padding: 1.1rem 1.2rem; }
}