/* ─── Tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg:            #000000;
  --bg-alt:        #0a0a0a;
  --bg-card:      #111111;
  --fg:           #ffffff;
  --fg-muted:     #6b6b6b;
  --fg-dim:       #333333;
  --accent:       #4ade80;   /* terminal green — sole accent */
  --border:       rgba(255,255,255,0.07);
  --border-bright:rgba(255,255,255,0.14);
  --font-mono:    'JetBrains Mono', 'SF Mono', 'Fira Code', Consolas, monospace;
}

/* ─── Reset ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: #000; }

/* ─── Blinking cursor ─────────────────────────────────────────────────── */
.cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.9s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ─── Scroll reveal ──────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ─── Nav ─────────────────────────────────────────────────────────────── */
.nav {
  padding: 20px 48px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.nav-logo .logo-accent { color: var(--accent); }
.nav-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}

/* ─── Hero ───────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 48px 80px;
}
.hero-content {
  max-width: 800px;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::after {
  content: '';
  display: block;
  height: 1px;
  width: 40px;
  background: var(--accent);
  opacity: 0.5;
}
.hero-headline {
  font-family: var(--font-mono);
  font-size: clamp(38px, 5.5vw, 68px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-muted);
  max-width: 580px;
  margin-bottom: 44px;
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--fg);
  color: #000;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: background 0.18s, transform 0.12s;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.hero-price-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}
.hero-price-tag span { color: var(--accent); }
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--fg-dim), transparent);
  animation: scrollPulse 2.5s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 0.8; }
}

/* ─── Shared section ─────────────────────────────────────────────────── */
.section {
  padding: 96px 48px;
}
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.section-headline {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 56px;
  line-height: 1.2;
}

/* ─── Problem ────────────────────────────────────────────────────────── */
.problem { background: var(--bg); }
.problem-headline {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 48px;
  line-height: 1.2;
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 48px;
}
.problem-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px;
}
.problem-card h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.problem-card p {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.problem-quote {
  border-left: 1px solid var(--fg-dim);
  padding-left: 20px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-style: normal;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── Solution ───────────────────────────────────────────────────────── */
.solution { background: var(--bg-alt); }
.solution-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.solution-text {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

/* ─── Terminal code block ────────────────────────────────────────────── */
.code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 18px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
}
.code-block::before {
  content: '// sinal — config';
  position: absolute;
  top: 0; right: 0;
  font-size: 10px;
  color: var(--fg-dim);
  padding: 4px 12px;
  letter-spacing: 0.06em;
}

/* ─── Sessions list ──────────────────────────────────────────────────── */
.sessions-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.session-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color 0.2s;
}
.session-item:hover { border-color: var(--border-bright); }
.session-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-dim);
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
  flex-shrink: 0;
  margin-top: 1px;
}
.session-text strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg);
  margin-bottom: 4px;
  font-weight: 600;
}
.session-text span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
}

/* ─── Audience ───────────────────────────────────────────────────────── */
.audience { background: var(--bg); }
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.audience-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.audience-card:hover { border-color: var(--border-bright); }
.audience-card h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.audience-card p {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.audience-cta {
  margin-top: 40px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
}

/* ─── Pricing ─────────────────────────────────────────────────────────── */
.pricing { background: var(--bg-alt); }
.pricing-inner { max-width: 680px; margin: 0 auto; }
.pricing-box {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg);
}
.pricing-header {
  border-bottom: 1px solid var(--border);
  padding: 28px 36px;
}
.pricing-header .terminal-line { margin-bottom: 12px; }
.terminal-line {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.04em;
}
.terminal-line::before {
  content: '//';
  color: var(--accent);
  flex-shrink: 0;
}
.pricing-amount {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.pricing-currency {
  font-size: 22px;
  color: var(--fg-muted);
}
.pricing-period {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 4px;
}
.pricing-body { padding: 28px 36px; }
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}
.pricing-features li {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.pricing-features li::before {
  content: '>';
  font-family: var(--font-mono);
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}
.pricing-note {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  padding-top: 16px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.04em;
}
.pricing-footer {
  padding: 20px 36px;
  border-top: 1px solid var(--border);
}
.btn-primary.w-full { width: 100%; justify-content: center; }

/* ─── Founder ────────────────────────────────────────────────────────── */
.founder { background: var(--bg); }
.founder-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 72px;
  align-items: start;
}
.founder-image-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.founder-portrait {
  width: 140px;
  height: 140px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}
.founder-portrait-bg {
  width: 100%;
  height: 100%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}
.founder-portrait-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 18px,
    rgba(255,255,255,0.02) 18px,
    rgba(255,255,255,0.02) 19px
  );
}
.founder-initials {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 600;
  color: var(--fg-dim);
  letter-spacing: -0.02em;
}
.founder-status-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.06em;
}
.founder-credentials { width: 100%; }
.founder-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 4px;
}
.founder-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}
.founder-bio p {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.founder-bio p:last-child { margin-bottom: 0; }
.founder-bio strong { color: var(--fg); font-weight: 600; }

/* ─── Trust / Testimonials ───────────────────────────────────────────── */
.trust { background: var(--bg-alt); }
.trust-inner { max-width: 1100px; margin: 0 auto; }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.trust-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px;
}
.trust-card-quote {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}
.trust-card-quote::before { content: '// '; color: var(--fg-dim); }
.trust-card-author {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
}

/* ─── Closing ─────────────────────────────────────────────────────────── */
.closing {
  padding: 120px 48px;
  background: var(--bg);
  text-align: center;
}
.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}
.closing-headline {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.5vw, 42px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 16px;
}
.closing-body {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
}
.closing-cta { margin-top: 36px; }

/* ─── Footer ──────────────────────────────────────────────────────────── */
.footer {
  padding: 28px 48px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-brand {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
}
.footer-sep { color: var(--fg-dim); }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-muted);
}

/* ─── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .solution-layout,
  .audience-grid,
  .trust-grid { grid-template-columns: 1fr; }
  .founder-inner { grid-template-columns: 1fr; gap: 40px; }
  .founder-image-block { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
  .problem-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .section { padding: 72px 24px; }
  .hero { padding: 100px 24px 72px; }
  .closing { padding: 80px 24px; }
  .footer { padding: 24px; }
  .pricing-header, .pricing-body, .pricing-footer { padding: 20px 24px; }
  .pricing-amount { font-size: 36px; }
}