/* ============================================
   STEAL AI — Landing Page
   Aesthetic: Cyberpunk terminal x polished SaaS
   ============================================ */

:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --bg-card-hover: #161616;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text: #ffffff;
  --text-secondary: #8a8a8a;
  --text-dim: #555555;
  --green: #22c55e;
  --green-dim: rgba(34,197,94,0.15);
  --green-glow: rgba(34,197,94,0.4);
  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Scroll Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: calc(var(--delay, 0) * 120ms);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 24px;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav-scrolled {
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo-bracket { color: var(--green); }
.logo-dot { color: var(--green); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  letter-spacing: -0.3px;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 8px 20px !important;
  background: var(--green) !important;
  color: var(--bg) !important;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: opacity 0.2s !important;
}
.nav-cta:hover { opacity: 0.85; color: var(--bg) !important; }

/* ---- Hero ---- */
.hero {
  position: relative;
  text-align: center;
  padding: 160px 0 80px;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 20%, transparent 70%);
}
.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--green-glow) 0%, transparent 70%);
  opacity: 0.2;
  pointer-events: none;
  filter: blur(60px);
}
.hero-content {
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 100px;
  padding: 8px 20px;
  margin-bottom: 32px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-accent {
  background: linear-gradient(135deg, var(--green), #4ade80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 17px;
  font-weight: 500;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.65;
}
.hero-note {
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.3px;
}
.hero-note .sep { color: var(--green); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}
.btn-primary {
  background: var(--green);
  color: var(--bg);
}
.btn-primary:hover {
  background: #16a34a;
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
}
.btn-glow {
  box-shadow: 0 0 30px var(--green-glow), 0 0 60px rgba(34,197,94,0.15);
}
.btn-lg {
  padding: 20px 40px;
  font-size: 18px;
}

/* ---- Social Proof ---- */
.social-proof {
  text-align: center;
  padding: 40px 0 80px;
  border-bottom: 1px solid var(--border);
}
.social-label {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.company-logo {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dim);
  transition: color 0.3s;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.company-logo:hover { color: var(--text-secondary); }

/* ---- Section Headers ---- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--green);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.text-green {
  color: var(--green);
}

/* ---- Security Cards ---- */
.security {
  padding: 100px 0;
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.sec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.3s, background 0.3s;
}
.sec-card:hover {
  border-color: rgba(34,197,94,0.2);
  background: var(--bg-card-hover);
}
.sec-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-dim);
  border-radius: 10px;
  margin-bottom: 20px;
}
.sec-card h3 {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.sec-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.sec-card code {
  font-family: var(--font-display);
  font-size: 12px;
  background: rgba(34,197,94,0.1);
  color: var(--green);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ---- Status Bar ---- */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green-glow);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.status-bar {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding: 20px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.status-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text-secondary);
}
.status-label {
  text-align: center;
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--text-dim);
}

/* ---- How It Works ---- */
.how-it-works {
  padding: 100px 0;
}
.steps {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 0;
}
.step-num {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  opacity: 0.5;
}
.step-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}
.step-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.step-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--green), transparent);
  margin-left: 22px;
  opacity: 0.3;
}
kbd {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--text);
}

/* ---- Why Steal AI ---- */
.why {
  padding: 0 0 100px;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.why-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  overflow: hidden;
  transition: border-color 0.3s, background 0.3s;
}
.why-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}
.why-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, var(--green), transparent);
  border-radius: 3px;
}
.why-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.why-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ---- Pricing ---- */
.pricing {
  padding: 100px 0;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}
.price-card:hover {
  border-color: var(--border-hover);
}
.price-card-featured {
  border-color: var(--green);
  transform: scale(1.03);
  background: linear-gradient(180deg, rgba(34,197,94,0.05) 0%, var(--bg-card) 40%);
}
.price-card-featured:hover {
  border-color: var(--green);
  transform: scale(1.05);
}
.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  color: var(--bg);
  background: var(--green);
  padding: 4px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.price-tier {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.price-amount span {
  font-size: 18px;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0;
}
.price-period {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 28px;
}
.price-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}
.price-card li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-card li::before {
  content: '';
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  background: var(--green-dim);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2322c55e' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}
.price-card .btn {
  width: 100%;
  justify-content: center;
}
.pricing-note {
  text-align: center;
  margin-top: 24px;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text-dim);
}

/* ---- FAQ ---- */
.faq {
  padding: 0 0 100px;
  max-width: 720px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; content: ''; }
.faq-item summary:hover { color: var(--green); }
.faq-chevron {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--text-dim);
}
.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--green);
}
.faq-answer {
  padding: 0 0 20px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-answer code {
  font-family: var(--font-display);
  font-size: 12px;
  background: rgba(34,197,94,0.1);
  color: var(--green);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ---- Final CTA ---- */
.final-cta {
  position: relative;
  text-align: center;
  padding: 120px 0;
  overflow: hidden;
}
.final-cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, var(--green-glow) 0%, transparent 70%);
  opacity: 0.15;
  pointer-events: none;
  filter: blur(80px);
}
.final-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
  position: relative;
}
.final-cta p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--text-dim);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-secondary); }
.footer-copy {
  font-size: 12px;
  color: var(--text-dim);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 120px 0 60px; }
  .security-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .price-card-featured { transform: none; }
  .price-card-featured:hover { transform: none; }
  .logos { gap: 24px; }
  .company-logo { font-size: 15px; }
  .status-bar { gap: 16px; padding: 16px 20px; }
  .step { gap: 16px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  main { padding: 0 16px; }
  .hero h1 { letter-spacing: -1px; }
  .btn { padding: 14px 24px; font-size: 15px; }
  .btn-lg { padding: 16px 28px; font-size: 16px; }
  .sec-card { padding: 24px; }
  .status-bar { flex-wrap: wrap; justify-content: center; }
}