/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: #080e1a;
  color: #e2e8f0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== UTILITIES ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== HEADER / NAV ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 14, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(20, 184, 166, 0.15);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.25rem;
  font-weight: 700;
  color: #14b8a6;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-cta {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: #14b8a6;
  color: #080e1a;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.1s ease;
}

.nav-cta:hover {
  background: #0d9488;
  transform: translateY(-1px);
}

/* ===== HERO ===== */
.section-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 64px;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(8, 14, 26, 0.88) 0%,
    rgba(8, 14, 26, 0.72) 50%,
    rgba(8, 14, 26, 0.85) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 5rem;
  max-width: 720px;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-badge-img {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
}

.badge-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #14b8a6;
  background: rgba(20, 184, 166, 0.12);
  border: 1px solid rgba(20, 184, 166, 0.35);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-headline {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #f8fafc;
  margin-bottom: 1.25rem;
}

.hero-subheadline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: #94a3b8;
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.hero-form {
  margin-bottom: 1.25rem;
}

.form-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: stretch;
}

.form-input {
  flex: 1 1 240px;
  padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: 8px;
  color: #f1f5f9;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-input::placeholder {
  color: #475569;
}

.form-input:focus {
  border-color: #14b8a6;
  background: rgba(20, 184, 166, 0.06);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.75rem;
  background: #14b8a6;
  color: #080e1a;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 20px rgba(20, 184, 166, 0.3);
}

.btn-primary:hover {
  background: #0d9488;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(20, 184, 166, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

.form-microcopy {
  font-size: 0.8125rem;
  color: #64748b;
  margin-top: 0.75rem;
}

.hero-secondary-link {
  display: inline-block;
  color: #64748b;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.hero-secondary-link:hover {
  color: #14b8a6;
}

/* ===== SECTION SHARED ===== */
.section-headline {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #f1f5f9;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.section-subheadline {
  font-size: 1.0625rem;
  color: #94a3b8;
  max-width: 640px;
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

/* ===== PROBLEM / OPPORTUNITY ===== */
.section-problem {
  padding: 6rem 0;
  background: #0c1424;
  border-top: 1px solid rgba(20, 184, 166, 0.08);
}

.problem-body {
  max-width: 720px;
}

.problem-intro {
  font-size: 1.0625rem;
  color: #94a3b8;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.problem-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.25rem 1.5rem;
  background: rgba(20, 184, 166, 0.04);
  border-left: 3px solid #14b8a6;
  border-radius: 0 8px 8px 0;
}

.problem-label {
  font-weight: 600;
  color: #e2e8f0;
  font-size: 0.9375rem;
}

.problem-desc {
  color: #94a3b8;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.problem-pivot {
  font-size: 1.0625rem;
  color: #cbd5e1;
  line-height: 1.7;
  padding: 1.5rem;
  background: rgba(20, 184, 166, 0.06);
  border-radius: 10px;
  border: 1px solid rgba(20, 184, 166, 0.15);
}

/* ===== FEATURES ===== */
.section-features {
  padding: 6rem 0;
  background: #080e1a;
}

.features-diagram-wrap {
  margin-bottom: 3rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(20, 184, 166, 0.15);
}

.features-diagram-img {
  width: 100%;
  height: auto;
  display: block;
}

.features-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  padding: 1.75rem;
  background: #0c1424;
  border: 1px solid rgba(20, 184, 166, 0.12);
  border-radius: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(20, 184, 166, 0.35);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: #14b8a6;
  font-family: 'JetBrains Mono', monospace;
}

.feature-title {
  font-size: 1rem;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 0.5rem;
}

.feature-body {
  font-size: 0.9375rem;
  color: #94a3b8;
  line-height: 1.6;
}

/* ===== BENEFITS ===== */
.section-benefits {
  padding: 6rem 0;
  background: #0c1424;
  border-top: 1px solid rgba(20, 184, 166, 0.08);
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.benefit-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: rgba(20, 184, 166, 0.03);
  border: 1px solid rgba(20, 184, 166, 0.1);
  border-radius: 12px;
  transition: border-color 0.2s ease;
}

.benefit-item:hover {
  border-color: rgba(20, 184, 166, 0.25);
}

.benefit-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  font-weight: 700;
  color: #14b8a6;
  opacity: 0.7;
  min-width: 2rem;
  padding-top: 0.2rem;
}

.benefit-title {
  font-size: 1rem;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 0.375rem;
}

.benefit-body {
  font-size: 0.9375rem;
  color: #94a3b8;
  line-height: 1.6;
}

.scarcity-line {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9375rem;
  color: #14b8a6;
  text-align: center;
  padding: 1rem;
  border: 1px dashed rgba(20, 184, 166, 0.35);
  border-radius: 8px;
  background: rgba(20, 184, 166, 0.04);
}

/* ===== TRUST ===== */
.section-trust {
  padding: 6rem 0;
  background: #080e1a;
  border-top: 1px solid rgba(20, 184, 166, 0.08);
}

.trust-body {
  font-size: 1.0625rem;
  color: #94a3b8;
  margin-bottom: 2rem;
  max-width: 600px;
}

.trust-logos-wrap {
  margin-bottom: 2.5rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(20, 184, 166, 0.12);
  max-width: 700px;
}

.trust-logos-img {
  width: 100%;
  height: auto;
  display: block;
}

.trust-signals {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 720px;
}

.trust-signal {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  font-size: 0.9375rem;
  color: #94a3b8;
  line-height: 1.6;
}

.trust-signal strong {
  color: #e2e8f0;
}

.trust-signal-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  min-width: 6px;
  background: #14b8a6;
  border-radius: 50%;
  margin-top: 0.55rem;
}

/* ===== FAQ ===== */
.section-faq {
  padding: 6rem 0;
  background: #0c1424;
  border-top: 1px solid rgba(20, 184, 166, 0.08);
}

.faq-list {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid rgba(20, 184, 166, 0.1);
  padding: 1.5rem 0;
}

.faq-item:first-child {
  border-top: 1px solid rgba(20, 184, 166, 0.1);
}

.faq-question {
  font-size: 1rem;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 0.625rem;
  cursor: default;
}

.faq-answer {
  font-size: 0.9375rem;
  color: #94a3b8;
  line-height: 1.7;
  margin-left: 0;
}

/* ===== BOTTOM CTA ===== */
.section-cta-bottom {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
}

.cta-bottom-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1628 0%, #0c2340 40%, #0a2a2a 100%);
  z-index: 0;
}

.cta-bottom-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(20, 184, 166, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.06) 0%, transparent 50%);
}

.cta-bottom-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
}

.cta-bottom-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #f8fafc;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta-bottom-subheadline {
  font-size: 1.0625rem;
  color: #94a3b8;
  margin-bottom: 2rem;
  line-height: 1.65;
}

.cta-bottom-form {
  margin-bottom: 1.5rem;
}

.cta-bottom-form .form-row {
  justify-content: center;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #060c18;
  border-top: 1px solid rgba(20, 184, 166, 0.1);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 700;
  color: #14b8a6;
  letter-spacing: -0.02em;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-link {
  color: #64748b;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #14b8a6;
}

.footer-sep {
  color: #334155;
  font-size: 0.75rem;
}

.footer-copy {
  font-size: 0.8125rem;
  color: #475569;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-content {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .form-row {
    flex-direction: column;
  }

  .form-input {
    flex: 1 1 auto;
    width: 100%;
  }

  .btn-primary {
    width: 100%;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .benefit-item {
    flex-direction: column;
    gap: 0.75rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .section-problem,
  .section-features,
  .section-benefits,
  .section-trust,
  .section-faq,
  .section-cta-bottom {
    padding: 4rem 0;
  }
}

@media (max-width: 480px) {
  .hero-badge-row {
    flex-wrap: wrap;
  }

  .cta-bottom-form .form-row {
    flex-direction: column;
  }
}