/* ── PilotQA AI Landing Page ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark:  #080e1f;
  --navy:  #0d1b3e;
  --blue:  #1e3a8a;
  --cyan:  #06b6d4;
  --green: #10b981;
  --white: #ffffff;
  --light: #f0f4ff;
  --gray:  #94a3b8;
  --text:  #e2e8f0;
  --card:  #111827;
}

html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; background: var(--dark); color: var(--text); }

a { text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Navbar ── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,14,31,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  padding: 0 6%;
}
.navbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 2rem;
  height: 64px;
}
.navbar-links { display: flex; align-items: center; gap: .25rem; }
.navbar-brand { display: flex; align-items: center; gap: .75rem; }
.navbar-brand img { height: 32px; }
.navbar-badge {
  font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
}
.navbar-actions { display: flex; align-items: center; gap: 1rem; margin-left: auto; }
.btn-nav-ghost {
  color: var(--gray); font-size: .875rem; font-weight: 500;
  padding: .4rem .9rem; border-radius: 8px;
  transition: color .2s, background .2s;
}
.btn-nav-ghost:hover { color: var(--white); background: rgba(255,255,255,.06); }
.btn-nav-primary {
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: var(--white); font-size: .875rem; font-weight: 700;
  padding: .45rem 1.1rem; border-radius: 8px;
  transition: opacity .2s;
}
.btn-nav-primary:hover { opacity: .85; }

/* ── Hero ── */
.hero {
  min-height: 90vh;
  display: flex; align-items: center;
  padding: 100px 6% 80px;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(6,182,212,.18) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(16,185,129,.1) 0%, transparent 60%),
              var(--dark);
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2306b6d4' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(6,182,212,.12); border: 1px solid rgba(6,182,212,.3);
  color: var(--cyan); font-size: .8rem; font-weight: 700;
  padding: .35rem 1rem; border-radius: 999px; letter-spacing: .05em;
  margin-bottom: 1.5rem; text-transform: uppercase;
}
.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 900; line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.2rem;
}
.hero-title span {
  background: linear-gradient(135deg, var(--cyan), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem; line-height: 1.7; color: var(--gray);
  margin-bottom: 2rem; max-width: 500px;
}
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.btn-hero-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: var(--white); font-weight: 700; font-size: 1rem;
  padding: .85rem 2rem; border-radius: 50px;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(6,182,212,.3);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(6,182,212,.4); }
.btn-hero-outline {
  display: inline-flex; align-items: center; gap: .5rem;
  border: 1.5px solid rgba(255,255,255,.2);
  color: var(--white); font-weight: 600; font-size: 1rem;
  padding: .85rem 2rem; border-radius: 50px;
  transition: border-color .2s, background .2s;
}
.btn-hero-outline:hover { border-color: var(--cyan); background: rgba(6,182,212,.08); }
.hero-note { font-size: .82rem; color: var(--gray); }
.hero-note span { color: var(--green); font-weight: 600; }

/* ── Terminal ── */
.terminal {
  background: #0d1117;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(6,182,212,.1);
  overflow: hidden;
}
.terminal-header {
  background: #161b22;
  padding: .75rem 1rem;
  display: flex; align-items: center; gap: .5rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dot.red    { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green  { background: #28c840; }
.terminal-filename {
  margin-left: .5rem; font-size: .8rem; color: var(--gray);
  font-family: 'SF Mono', 'Fira Code', monospace;
}
.terminal-body { padding: 1.5rem; font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace; font-size: .82rem; }
.t-comment { color: #6a737d; }
.t-keyword { color: #ff7b72; }
.t-fn      { color: #d2a8ff; }
.t-string  { color: #a5d6ff; }
.t-var     { color: #ffa657; }
.terminal-output {
  margin-top: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,.07);
}
.t-line {
  display: flex; align-items: flex-start; gap: .6rem;
  font-size: .8rem; padding: .2rem 0;
}
.t-line.ok      { color: #7ee787; }
.t-line.info    { color: #79c0ff; }
.t-line.success { color: var(--green); font-weight: 700; }
.t-line.running { color: var(--cyan); }

/* ── Strip ── */
.pq-strip {
  background: linear-gradient(90deg, #0d1b3e, #0a1628);
  border-top: 1px solid rgba(6,182,212,.15);
  border-bottom: 1px solid rgba(6,182,212,.15);
  padding: 1rem 6%;
  display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap;
}
.pq-strip-item {
  display: flex; align-items: center; gap: .6rem;
  color: rgba(255,255,255,.6); font-size: .85rem; font-weight: 500; white-space: nowrap;
}
.pq-strip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); flex-shrink: 0; }

/* ── Sections base ── */
.pq-section { padding: 90px 6%; max-width: 1200px; margin: 0 auto; }
.pq-section-full { padding: 90px 6%; }
.pq-section-tag {
  display: inline-block;
  color: var(--cyan); font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: .75rem;
}
.pq-section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800; color: var(--white); line-height: 1.2;
  margin-bottom: 1rem;
}
.pq-section-sub {
  font-size: 1.05rem; color: var(--gray); line-height: 1.7; max-width: 580px;
}

/* ── Features ── */
#features { background: #090e1d; }
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem;
}
.feature-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 16px; padding: 2rem;
  transition: border-color .2s, background .2s, transform .2s;
}
.feature-card:hover {
  border-color: rgba(6,182,212,.3);
  background: rgba(6,182,212,.05);
  transform: translateY(-4px);
}
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1.2rem;
  background: linear-gradient(135deg, rgba(6,182,212,.15), rgba(16,185,129,.1));
  border: 1px solid rgba(6,182,212,.2);
}
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: .5rem; }
.feature-card p  { font-size: .875rem; color: var(--gray); line-height: 1.6; }

/* ── How it works ── */
#como-funciona { background: var(--dark); }
.steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute; top: 2rem; left: calc(16.666% + 1rem); right: calc(16.666% + 1rem);
  height: 1px; background: linear-gradient(90deg, var(--cyan), var(--green), var(--cyan));
  opacity: .3;
}
.step-card { text-align: center; padding: 1rem; position: relative; }
.step-number {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: var(--dark); font-weight: 900; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 0 8px rgba(6,182,212,.1);
}
.step-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: .6rem; }
.step-card p  { font-size: .875rem; color: var(--gray); line-height: 1.6; }

/* ── Code demo ── */
#demo { background: #090e1d; }
.demo-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.demo-text .pq-section-sub { margin-bottom: 1.5rem; }
.demo-tag-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.demo-tag {
  background: rgba(6,182,212,.1); border: 1px solid rgba(6,182,212,.2);
  color: var(--cyan); font-size: .75rem; font-weight: 600;
  padding: .25rem .75rem; border-radius: 999px;
}

/* ── Pricing ── */
#pricing { background: var(--dark); }
.pricing-inner { max-width: 1200px; margin: 0 auto; }
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem;
}
.pricing-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px; padding: 2.5rem 2rem;
  position: relative; transition: transform .2s;
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--cyan);
  background: rgba(6,182,212,.06);
  box-shadow: 0 0 40px rgba(6,182,212,.1);
}
.pricing-popular {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--cyan), var(--green));
  color: var(--dark); font-size: .7rem; font-weight: 800;
  padding: .3rem 1rem; border-radius: 999px; letter-spacing: .06em;
  text-transform: uppercase; white-space: nowrap;
}
.pricing-plan { font-size: .75rem; font-weight: 700; color: var(--cyan); letter-spacing: .1em; text-transform: uppercase; margin-bottom: .75rem; }
.pricing-price { font-size: 2.5rem; font-weight: 900; color: var(--white); line-height: 1; margin-bottom: .25rem; }
.pricing-price span { font-size: 1rem; font-weight: 400; color: var(--gray); }
.pricing-desc { font-size: .85rem; color: var(--gray); margin-bottom: 1.8rem; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: .7rem; margin-bottom: 2rem; }
.pricing-features li {
  display: flex; align-items: flex-start; gap: .6rem;
  font-size: .875rem; color: rgba(255,255,255,.8);
}
.pricing-features li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.pricing-features li.muted { color: var(--gray); }
.pricing-features li.muted::before { content: '–'; color: var(--gray); }
.btn-pricing {
  display: block; text-align: center;
  padding: .85rem; border-radius: 12px;
  font-weight: 700; font-size: .95rem;
  transition: opacity .2s, transform .2s;
}
.btn-pricing-primary {
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(6,182,212,.25);
}
.btn-pricing-ghost {
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.25) !important;
  color: var(--white);
}
.btn-pricing-ghost:hover { background: rgba(255,255,255,.14); }
.btn-pricing:hover { opacity: .85; transform: translateY(-1px); }

/* ── CTA ── */
.pq-cta {
  background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(6,182,212,.12) 0%, transparent 70%),
              linear-gradient(135deg, #0d1b3e, #080e1f);
  border-top: 1px solid rgba(6,182,212,.15);
  text-align: center; padding: 100px 6%;
}
.pq-cta h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 900; color: var(--white); margin-bottom: 1rem; }
.pq-cta p  { color: var(--gray); font-size: 1.05rem; margin-bottom: 2.5rem; max-width: 520px; margin-left: auto; margin-right: auto; }

/* ── Footer ── */
.pq-footer {
  background: #050a14;
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 2rem 6%;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.pq-footer img { height: 28px; opacity: .7; }
.pq-footer p { font-size: .8rem; color: var(--gray); }
.pq-footer a { color: var(--cyan); font-size: .8rem; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .terminal--hero { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .demo-inner { grid-template-columns: 1fr; }
  .demo-inner .terminal { font-size: .75rem; overflow-x: auto; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .navbar-inner { gap: 1.5rem; }
  .navbar-brand { flex-shrink: 1; min-width: 0; }
  .navbar-links { display: none; }
  .navbar-actions { flex-shrink: 0; margin-left: auto; }
  .pq-strip { gap: .6rem; }
  .pq-strip-item { font-size: .78rem; }
}