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

:root {
  --navy: #0f172a;
  --blue: #335f8a;
  --blue-dark: #2a4f75;
  --blue-light: #d4e4f1;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --white: #ffffff;
  --max-width: 1140px;
  --section-pad: 36px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-800);
  line-height: 1.7;
  font-size: 16px;
  background: var(--white);
}

img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { color: var(--navy); line-height: 1.25; }
h1 { font-size: 2.25rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 8px; }
p { margin-bottom: 16px; }

.section-subtitle {
  color: var(--gray-600);
  font-size: 1.125rem;
  max-width: 640px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); color: var(--white); transform: translateY(-1px); }
.btn-outline { border: 2px solid var(--blue); color: var(--blue); background: transparent; }
.btn-outline:hover { background: var(--blue); color: var(--white); }
.btn-white { background: var(--white); color: var(--navy); }
.btn-white:hover { background: var(--gray-100); color: var(--navy); }

/* ===== HEADER / NAV ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(8px);
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo-group { display: flex; align-items: baseline; gap: 12px; }
.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.logo span { color: var(--blue); }
.logo-tagline {
  font-size: 0.75rem;
  color: #5b6b7c;
  font-weight: 500;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

nav { display: flex; align-items: center; gap: 32px; }
nav a { color: var(--gray-700); font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
nav a:hover, nav a.active { color: var(--blue); }
nav .btn { padding: 10px 24px; font-size: 0.9rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
  padding: 88px 0 28px;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--blue-light) 100%);
}
.hero h1 { margin-bottom: 8px; }
.hero p { font-size: 1.05rem; color: var(--gray-600); max-width: 800px; margin-bottom: 20px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== SECTIONS ===== */
section { padding: var(--section-pad) 0; }
section.alt-bg { background: var(--gray-50); }

.section-header { text-align: center; margin-bottom: 20px; }
.section-header .section-subtitle { margin: 0 auto; }

/* ===== GRID CARDS ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.08); transform: translateY(-2px); }
.card-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.4rem;
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--gray-600); font-size: 0.95rem; margin-bottom: 0; }

/* ===== STATS BAR ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  text-align: center;
  padding: 16px 0;
}
.stat-item h3 { font-size: 2.25rem; color: var(--blue); margin-bottom: 4px; }
.stat-item p { color: var(--gray-600); font-size: 0.95rem; margin: 0; }

/* ===== ROI / RESULTS ===== */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.result-card {
  background: var(--white);
  border-left: 4px solid var(--blue);
  border-radius: 0 12px 12px 0;
  padding: 28px 28px 28px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.result-card .result-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue);
  margin-bottom: 4px;
}
.result-card h3 { margin-bottom: 8px; font-size: 1.1rem; }
.result-card p { color: var(--gray-600); font-size: 0.9rem; margin: 0; }

/* ===== PRICING TABLE ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.pricing-card.featured {
  border: 2px solid var(--blue);
  position: relative;
}
.pricing-card.featured::before {
  content: "Most Popular";
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-card h3 { font-size: 1.2rem; margin-bottom: 4px; }
.pricing-price { font-size: 1.5rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.pricing-card .pricing-desc { color: var(--gray-600); font-size: 0.9rem; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-200); }
.pricing-card ul { list-style: none; margin-bottom: 24px; flex: 1; }
.pricing-card li { padding: 6px 0; padding-left: 24px; position: relative; color: var(--gray-700); font-size: 0.9rem; }
.pricing-card li::before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: 700; }
.pricing-card .btn { text-align: center; margin-top: auto; }

/* ===== ABOUT ===== */
.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-text h2 { margin-bottom: 16px; }
.about-text p { color: var(--gray-600); }
.about-image {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--gray-100) 100%);
  border-radius: 16px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
}
.credentials-list { list-style: none; margin-top: 24px; }
.credentials-list li { padding: 8px 0 8px 28px; position: relative; color: var(--gray-600); }
.credentials-list li::before { content: "→"; position: absolute; left: 0; color: var(--blue); font-weight: 700; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: var(--navy);
  color: var(--white);
  padding: 40px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 12px; }
.cta-banner p { color: var(--gray-400); font-size: 1.1rem; margin-bottom: 28px; }

/* ===== CONTACT FORM ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--gray-600); }
.contact-detail { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 20px; }
.contact-detail .icon { font-size: 1.2rem; padding-top: 2px; }
.contact-detail p { margin: 0; }
.contact-detail strong { color: var(--navy); }

.contact-form { background: var(--white); border: 1px solid var(--gray-200); border-radius: 12px; padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--navy); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
  background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== FOOTER ===== */
footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 48px 0 24px;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand .logo { color: var(--white); margin-bottom: 8px; display: inline-block; }
.footer-brand p { font-size: 0.9rem; max-width: 300px; }
.footer-links h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 12px; }
.footer-links a { display: block; color: var(--gray-400); font-size: 0.9rem; padding: 4px 0; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid var(--gray-700); padding-top: 24px; text-align: center; font-size: 0.85rem; }

/* ===== FAQ ===== */
.faq-list { max-width: 740px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--gray-200); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 0;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}
.faq-question::after { content: "+"; font-size: 1.4rem; color: var(--blue); transition: transform 0.2s; }
.faq-item.open .faq-question::after { content: "−"; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { padding-bottom: 20px; color: var(--gray-600); }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.6rem; }
  :root { --section-pad: 36px; }

  .hamburger { display: flex; }
  nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--gray-200);
    display: none;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
  }
  nav.open { display: flex; }

  .about-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .logo-tagline { display: none; }
  .hero { padding: 84px 0 24px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { text-align: center; }
}