:root {
  --navy: #0b2545;
  --navy-dark: #071a33;
  --blue: #1d6fd6;
  --blue-light: #eaf2fd;
  --teal: #12b1a6;
  --ink: #101828;
  --gray-600: #475467;
  --gray-400: #98a2b3;
  --gray-200: #e4e7ec;
  --gray-100: #f2f4f7;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(11, 37, 69, 0.08);
  --shadow-lg: 0 20px 60px rgba(11, 37, 69, 0.16);
  --max-width: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; color: var(--navy); }
p { margin: 0; color: var(--gray-600); }

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue);
  margin: 0 0 12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: #185cb3; transform: translateY(-1px); }
.btn-ghost { color: var(--navy); }
.btn-ghost:hover { color: var(--blue); }
.btn-outline { border-color: var(--gray-200); color: var(--navy); background: var(--white); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-lg { padding: 14px 26px; font-size: 15.5px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--navy); }
.logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: var(--white);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.nav { display: flex; gap: 28px; flex: 1; justify-content: center; }
.nav a { font-size: 14.5px; font-weight: 500; color: var(--gray-600); }
.nav a:hover { color: var(--navy); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--navy); border-radius: 2px; }

/* Hero */
.hero { padding: 88px 0 60px; background: linear-gradient(180deg, var(--blue-light) 0%, var(--white) 100%); }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: 46px; line-height: 1.12; margin-bottom: 20px; }
.hero-sub { font-size: 17px; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; margin-bottom: 44px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 36px; }
.trust-item { display: flex; flex-direction: column; }
.trust-item strong { font-size: 22px; color: var(--navy); font-weight: 800; }
.trust-item span { font-size: 13px; color: var(--gray-600); }

.hero-visual { display: flex; justify-content: center; }
.phone-card {
  width: 100%; max-width: 380px;
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}
.phone-card-header {
  display: flex; align-items: center; gap: 7px;
  padding: 14px 16px;
  background: var(--navy);
}
.dot { width: 9px; height: 9px; border-radius: 50%; }
.dot-red { background: #ff5f57; } .dot-yellow { background: #febc2e; } .dot-green { background: #28c840; }
.phone-card-title { margin-left: 8px; color: var(--white); font-size: 12.5px; font-weight: 600; opacity: 0.9; }
.phone-card-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.chat-bubble { padding: 12px 14px; border-radius: 12px; font-size: 13.5px; line-height: 1.45; max-width: 90%; }
.bubble-in { background: var(--gray-100); color: var(--ink); align-self: flex-start; border-bottom-left-radius: 4px; }
.bubble-out { background: var(--blue); color: var(--white); align-self: flex-end; border-bottom-right-radius: 4px; }
.chat-status {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--teal);
  display: flex; align-items: center; gap: 6px;
}
.chat-status::before { content: "●"; }

/* Strip */
.strip { background: var(--navy); padding: 28px 0; }
.strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.strip-label { color: rgba(255,255,255,0.65); font-size: 14px; font-weight: 500; }
.strip-stats { display: flex; gap: 40px; }
.strip-stats div { display: flex; flex-direction: column; align-items: center; }
.strip-stats strong { color: var(--white); font-size: 20px; font-weight: 800; }
.strip-stats span { color: rgba(255,255,255,0.55); font-size: 12px; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--gray-100); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: 32px; margin-bottom: 14px; }
.section-sub { font-size: 16px; }
.section-head-light h2, .section-head-light p.eyebrow { color: var(--white); }
.section-head-light .section-sub { color: rgba(255,255,255,0.7); }

/* Problem grid */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.problem-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: left;
}
.problem-icon { font-size: 28px; margin-bottom: 16px; }
.problem-card h3 { font-size: 18px; margin-bottom: 10px; }
.problem-card p { font-size: 14.5px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { padding: 8px; }
.step-num {
  font-size: 14px; font-weight: 800; color: var(--blue);
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; }

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature { padding: 4px; }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--blue-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature h3 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 14.5px; }

/* Industries */
.section-dark { background: var(--navy-dark); }
.industries-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.industry-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.industry-active { background: rgba(29,111,214,0.14); border-color: rgba(29,111,214,0.4); }
.industry-card h3 { color: var(--white); font-size: 18px; margin: 0 0 8px; }
.industry-card p { color: rgba(255,255,255,0.6); font-size: 13.5px; }
.industry-badge {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  padding: 4px 10px; border-radius: 100px;
  background: var(--teal); color: var(--white);
}
.industry-badge-soon { background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.7); }

/* Tiers */
.tiers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.tier-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.tier-card .industry-badge { align-self: flex-start; }
.tier-active { border-color: var(--blue); box-shadow: var(--shadow); }
.tier-soon { opacity: 0.85; }
.tier-card h3 { font-size: 19px; margin-top: 4px; }
.tier-desc { font-size: 14px; margin-bottom: 4px; }
.tier-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.tier-list li {
  font-size: 14.5px;
  color: var(--ink);
  padding-left: 24px;
  position: relative;
}
.tier-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}
.tier-btn { margin-top: 8px; width: 100%; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 18px 22px;
  background: var(--white);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--navy);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--blue); font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin-top: 12px; font-size: 14.5px; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--blue) 0%, var(--navy) 100%); padding: 88px 0; }
.cta-inner { text-align: center; max-width: 620px; margin: 0 auto; }
.cta h2 { color: var(--white); font-size: 32px; margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,0.8); font-size: 16px; margin-bottom: 32px; }
.cta-form { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.cta-form input {
  flex: 1 1 180px;
  padding: 13px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1);
  color: var(--white);
  font-size: 14.5px;
  font-family: inherit;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.65); }
.cta-form input:focus { outline: none; border-color: var(--white); background: rgba(255,255,255,0.16); }
.cta-note { margin-top: 16px; font-size: 13.5px; color: rgba(255,255,255,0.75); min-height: 20px; }

/* Footer */
.site-footer { background: var(--navy-dark); padding: 64px 0 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 48px; padding-bottom: 48px; flex-wrap: wrap; }
.footer-brand { max-width: 320px; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 14px; margin-top: 14px; }
.footer-brand .logo { color: var(--white); }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { color: var(--white); font-size: 13px; letter-spacing: 0.05em; margin-bottom: 4px; }
.footer-col a { color: rgba(255,255,255,0.6); font-size: 14px; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 22px 0;
}
.footer-bottom p { color: rgba(255,255,255,0.45); font-size: 13px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .problem-grid, .steps, .features-grid, .industries-grid, .tiers-grid { grid-template-columns: repeat(2, 1fr); }
  .nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
  }
  .nav.nav-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
  .header-actions .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 32px; }
  .problem-grid, .steps, .features-grid, .industries-grid, .tiers-grid { grid-template-columns: 1fr; }
  .strip-inner { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; }
}