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

:root {
  --bg:          #0f172a;
  --bg-card:     #1a2540;
  --bg-alt:      #131e35;
  --bg-nav:      rgba(15, 23, 42, 0.96);
  --accent:      #0096ff;
  --accent-dark: #007acc;
  --text:        #e5e7eb;
  --text-muted:  #94a3b8;
  --border:      rgba(148, 163, 184, 0.12);
  --radius:      8px;
  --font:        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container:   1080px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

h1 { font-size: clamp(1.9rem, 5vw, 3.1rem); font-weight: 800; line-height: 1.15; color: var(--text); }
h2 { font-size: clamp(1.45rem, 3vw, 2.1rem); font-weight: 700; line-height: 1.25; color: var(--text); }
h3 { font-size: clamp(1.1rem, 2vw, 1.3rem); font-weight: 600; line-height: 1.35; color: var(--text); }
h4 { font-size: 1rem; font-weight: 600; color: var(--text); line-height: 1.4; }

p { color: var(--text-muted); }

/* === Layout / container === */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-alt { background: var(--bg-alt); }

.section-heading { margin-bottom: 48px; }
.section-heading p { margin-top: 10px; font-size: 1rem; max-width: 560px; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
  text-decoration: none;
  border: 2px solid transparent;
  white-space: nowrap;
  font-family: var(--font);
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover { background: rgba(0, 150, 255, 0.1); }

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* === Nav === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  height: 68px;
  gap: 4px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  flex-shrink: 0;
  margin-right: auto;
}
.nav-logo:hover { color: var(--accent); text-decoration: none; }
.logo-dot { color: var(--accent); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 2px;
  align-items: center;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--text); }

.nav-cta {
  margin-left: 12px;
  padding: 8px 18px;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* === Hero === */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0,150,255,0.1) 0%, transparent 70%);
}

.hero h1 { max-width: 840px; margin: 0 auto 20px; }

.hero-sub {
  max-width: 580px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === Stats strip === */
.stats-strip {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 52px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-divider {
  width: 1px;
  background: var(--border);
  height: 64px;
  align-self: center;
  justify-self: center;
}

.stat-number {
  display: block;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -1px;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); max-width: 200px; margin: 0 auto; }

/* === Feature list === */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item h4 { margin-bottom: 3px; }
.feature-item p { font-size: 0.875rem; margin: 0; }

/* === Founder section === */
.founder-wrap {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
  max-width: 820px;
  margin: 0 auto;
}

.founder-photo {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-align: center;
  flex-shrink: 0;
}

.founder-content h2 { margin-bottom: 16px; }
.founder-content p + p { margin-top: 12px; }

/* === CTA band === */
.cta-band {
  background: linear-gradient(135deg, #0f1f38 0%, #0a1628 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
  text-align: center;
}
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { margin-bottom: 28px; }

/* === Page hero (inner pages) === */
.page-hero {
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { font-size: 1.05rem; max-width: 560px; }

/* === Cards === */
.cards-grid { display: grid; gap: 24px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 28px 32px;
}

.card-featured {
  border-color: rgba(0, 150, 255, 0.25);
  background: linear-gradient(160deg, #1a2a46 0%, #1a1e38 100%);
}

.card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(0, 150, 255, 0.15);
  color: var(--accent);
  margin-bottom: 14px;
}

.card h3 { margin-bottom: 10px; }
.card > p { font-size: 0.9rem; margin-bottom: 0; }

.card-list {
  list-style: none;
  margin: 18px 0;
  border-top: 1px solid var(--border);
}
.card-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}
.card-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  line-height: 1.5;
}

.card-meta {
  display: flex;
  gap: 24px;
  margin: 20px 0 24px;
  flex-wrap: wrap;
}
.card-meta-item { font-size: 0.8rem; color: var(--text-muted); }
.card-meta-item strong { display: block; color: var(--text); font-size: 0.975rem; font-weight: 600; }

.card .btn { margin-top: 4px; }

/* Secondary card layout */
.secondary-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}
.card-secondary { padding: 24px; }
.card-secondary h3 { font-size: 1rem; margin-bottom: 10px; }
.card-secondary p { font-size: 0.875rem; margin-bottom: 16px; }
.card-secondary a { font-size: 0.85rem; color: var(--accent); }
.card-secondary a:hover { text-decoration: underline; }

/* === Trust line === */
.trust-line {
  text-align: center;
  padding: 28px 0 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  border-top: 1px solid var(--border);
  margin-top: 48px;
  letter-spacing: 0.2px;
}

/* === About page sections === */
.about-section { padding: 56px 0; border-bottom: 1px solid var(--border); }
.about-section:last-of-type { border-bottom: none; }
.about-section h2 { margin-bottom: 16px; }
.about-section p + p { margin-top: 12px; }
.about-section .todo-placeholder {
  background: var(--bg-card);
  border: 1px dashed rgba(0,150,255,0.3);
  border-radius: var(--radius);
  padding: 20px 24px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-style: italic;
}

.how-i-work-list { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.how-i-work-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 0.9rem; color: var(--text-muted);
}
.how-i-work-list li::before { content: '→'; color: var(--accent); flex-shrink: 0; }

/* === Forms === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  line-height: 1.5;
  transition: border-color 0.15s;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: 0.7; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group select { cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-group textarea { min-height: 130px; resize: vertical; }

.hp-field { display: none !important; visibility: hidden; position: absolute; }

.form-submit { margin-top: 4px; }
.form-submit .btn { width: 100%; text-align: center; }

.contact-aside h3 { margin-bottom: 12px; }
.contact-aside p { font-size: 0.9rem; }
.contact-aside p + p { margin-top: 10px; }
.contact-aside a { color: var(--accent); }
.contact-note {
  margin-top: 32px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* === Footer === */
.site-footer {
  background: #080f1e;
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand p {
  margin-top: 8px;
  font-size: 0.85rem;
  max-width: 240px;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 4px;
}
.footer-nav a {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}
.footer-nav a:hover { color: var(--text); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); font-size: 0.8rem; }
.footer-bottom a:hover { color: var(--accent); }

/* 404 page */
.not-found {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.not-found h1 { font-size: clamp(1.5rem, 4vw, 2.5rem); margin-bottom: 16px; }
.not-found p { margin-bottom: 32px; font-size: 1rem; }

/* === Responsive grids (used with inline styles overridden on mobile) === */
.pricing-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.explainer-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 72px;
  align-items: start;
}

.explainer-sticky {
  position: sticky;
  top: 88px;
}

/* === Mobile === */
@media (max-width: 768px) {
  section { padding: 56px 0; }

  .nav-links,
  .nav-cta { display: none; }

  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(10, 18, 35, 0.98);
    padding: 16px 24px 28px;
    border-bottom: 1px solid var(--border);
    gap: 2px;
    z-index: 199;
  }
  .nav-links.open li a {
    display: block;
    padding: 10px 12px;
    font-size: 1rem;
  }

  .hero { padding: 60px 0 52px; }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .stat-divider { display: none; }

  .feature-list { grid-template-columns: 1fr; }

  .founder-wrap { grid-template-columns: 1fr; }
  .founder-photo { margin: 0 auto; }

  .cards-3,
  .secondary-cards-grid,
  .pricing-grid,
  .pricing-cards-grid { grid-template-columns: 1fr; }

  .explainer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .explainer-sticky { position: static; }

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

  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}