:root {
  --primary-color: #1D2A3C;
  --secondary-color: #2C4A6E;
  --accent-color: #5D8BAE;
  --light-color: #EEF3F8;
  --dark-color: #0C1624;
  --gradient-primary: linear-gradient(135deg, #1D2A3C 0%, #2C4A6E 100%);
  --hover-color: #16233A;
  --background-color: #F4F7FA;
  --text-color: #2E3A4A;
  --border-color: rgba(93, 139, 174, 0.22);
  --divider-color: rgba(29, 42, 60, 0.12);
  --shadow-color: rgba(29, 42, 60, 0.12);
  --highlight-color: #F2D57F;
  --main-font: 'Playfair Display', serif;
  --alt-font: 'Open Sans', sans-serif;
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
  background: rgba(255,255,255,0.12);
  border-radius: 8px;
}
.hamburger .line {
  width: 28px; height: 3px;
  background-color: var(--light-color);
  margin: 3px 0; transition: 0.3s; border-radius: 2px;
}
#menu-toggle { display: none; }
#menu-toggle:checked ~ .mobile-nav { max-height: 400px; opacity: 1; }
.mobile-nav {
  position: absolute; top: 100%; left: 0; right: 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  max-height: 0; overflow: hidden; opacity: 0;
  transition: all 0.4s ease;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2); z-index: 1000;
}
.mobile-nav ul { padding: 2rem; margin: 0; list-style: none; }
.mobile-nav li { margin: 1rem 0; }
.mobile-nav a {
  display: block; padding: 1.2rem 1.8rem;
  color: var(--light-color); text-decoration: none;
  border-radius: 15px; transition: all 0.3s ease;
  font-size: 1.1rem; font-weight: 500; border: 2px solid transparent;
}
.mobile-nav a:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
  transform: translateX(8px);
}

/* Feature Cards */
.feature-card {
  transition: all 0.4s ease;
  border: 2px solid var(--border-color);
  position: relative; overflow: visible;
  background: white; border-radius: 20px;
  padding: 2.5rem 2rem;
  box-shadow: 0 6px 22px var(--shadow-color);
  text-align: center;
}
.feature-card::after {
  content: ''; position: absolute;
  bottom: -6px; left: 50%; transform: translateX(-50%);
  width: 75%; height: 6px;
  background: var(--gradient-primary);
  border-radius: 0 0 12px 12px;
  opacity: 0; transition: opacity 0.4s ease;
}
.feature-card:hover::after { opacity: 1; }
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 40px var(--shadow-color);
  border-color: var(--accent-color);
}
.feature-icon {
  font-size: 3.6rem; margin: 0 auto 1.5rem auto;
  display: flex; justify-content: center; align-items: center;
  text-align: center; transition: transform 0.4s ease;
  width: 100%; height: 80px;
}
.feature-card:hover .feature-icon { transform: scale(1.15); }

/* Testimonials */
.testimonial {
  transition: all 0.4s ease;
  background: white; padding: 2.5rem;
  margin: 1.5rem 0; border-radius: 18px;
  box-shadow: 0 8px 26px var(--shadow-color);
  border-top: 4px solid var(--primary-color);
  position: relative;
}
.testimonial::before {
  content: '"'; position: absolute;
  top: 12px; left: 22px;
  font-size: 3.5rem; color: var(--primary-color);
  opacity: 0.12; font-family: Georgia, serif; line-height: 1;
}
.testimonial:hover {
  transform: translateX(8px);
  box-shadow: 0 16px 36px var(--shadow-color);
  border-top-color: var(--accent-color);
}

/* FAQ */
.faq-item {
  border: 2px solid var(--border-color);
  transition: all 0.4s ease;
  background: white; padding: 2.5rem;
  margin: 1.2rem 0; border-radius: 18px;
  box-shadow: 0 5px 18px var(--shadow-color);
  border-left: 5px solid var(--primary-color);
}
.faq-item:hover {
  transform: scale(1.015);
  box-shadow: 0 10px 30px var(--shadow-color);
  border-left-color: var(--accent-color);
}

/* Inputs */
input, textarea {
  transition: all 0.35s ease;
  font-family: var(--alt-font);
  border: 2px solid var(--border-color);
  border-radius: 10px; padding: 1.2rem;
  background-color: white; color: var(--text-color);
  font-size: 1rem;
}
input:focus, textarea:focus {
  outline: none; border-color: var(--primary-color);
  box-shadow: 0 0 0 5px rgba(29, 42, 60, 0.08);
  transform: translateY(-2px);
}
input:hover, textarea:hover {
  border-color: var(--accent-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}

/* Buttons */
button, .btn {
  transition: all 0.35s ease; position: relative; overflow: hidden;
  background: var(--gradient-primary); color: white;
  border: none; padding: 1.2rem 2.6rem; border-radius: 50px;
  font-weight: 600; font-family: var(--alt-font); cursor: pointer;
  text-transform: uppercase; letter-spacing: 1px;
  font-size: 0.95rem; text-decoration: none;
  display: inline-block; text-align: center;
  box-shadow: 0 5px 18px rgba(29, 42, 60, 0.28);
}
button::before, .btn::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  width: 0; height: 0; background: rgba(255,255,255,0.18);
  border-radius: 50%; transform: translate(-50%, -50%);
  transition: width 0.5s ease, height 0.5s ease;
}
button:hover::before, .btn:hover::before { width: 300%; height: 300%; }
button:hover, .btn:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 28px rgba(29, 42, 60, 0.35);
}

/* General */
html { scroll-behavior: smooth; }
.hero { position: relative; }
h1, h2, h3 {
  text-shadow: 0 2px 4px rgba(0,0,0,0.07);
  font-family: var(--main-font); font-weight: 700;
}
body {
  font-family: var(--alt-font); color: var(--text-color);
  background-color: var(--background-color); line-height: 1.72;
}

/* Stat Cards */
.stat-card {
  background: white; border-radius: 18px;
  padding: 2.2rem 1.8rem; text-align: center;
  box-shadow: 0 8px 24px var(--shadow-color);
  transition: all 0.35s ease; border: 2px solid transparent;
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 4px; background: var(--gradient-primary);
  transform: scaleX(0); transition: transform 0.4s ease;
}
.stat-card:hover::before { transform: scaleX(1); }
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px var(--shadow-color);
  border-color: var(--accent-color);
}
.stat-number {
  font-size: 3.2rem; font-weight: 700;
  color: var(--primary-color); font-family: var(--main-font); line-height: 1.2;
}
.stat-text { font-size: 1.05rem; color: var(--text-color); margin-top: 0.7rem; }

/* Trust Indicators */
.trust-indicator {
  background: white; color: var(--primary-color);
  padding: 1.8rem; border-radius: 14px;
  box-shadow: 0 6px 20px var(--shadow-color);
  transition: all 0.35s ease; border: 2px solid var(--border-color);
}
.trust-indicator:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px var(--shadow-color);
  border-color: var(--accent-color);
}

/* Header & Footer */
header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--light-color); padding: 1.2rem 0;
  position: relative; z-index: 1000;
  box-shadow: 0 3px 16px var(--shadow-color);
}
footer {
  background-color: var(--dark-color);
  color: var(--light-color); padding: 4rem 0 1.5rem;
}
header img[alt="logo"], footer img[alt="logo"] { filter: brightness(0) invert(1); }

a:focus, button:focus, input:focus, textarea:focus {
  outline: 3px solid var(--highlight-color); outline-offset: 4px;
}
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--light-color); }
::-webkit-scrollbar-thumb { background: var(--gradient-primary); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-color); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.85s ease-out; }

/* Pattern background — dots grid */
.pattern-bg {
  background-image:
    radial-gradient(circle, rgba(93,139,174,0.09) 1px, transparent 1px),
    linear-gradient(180deg, rgba(238,243,248,0.7) 0%, rgba(244,247,250,0.7) 100%);
  background-size: 22px 22px, 100% 100%;
}

/* Contact block */
.contact-block { width: 80%; margin: 0 auto; }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .navigation { display: none; }
  .mobile-nav { display: block; }
  .hero h1 { font-size: 2.2rem; }
  .container { padding: 0 1.2rem; }
  .feature-card, .testimonial, .faq-item, .stat-card, .trust-indicator { padding: 1.8rem; }
  .contact-block { width: 100%; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .feature-card, .testimonial, .faq-item, .stat-card { margin: 0.8rem 0; padding: 1.5rem; }
  .trust-indicator { margin: 0.8rem 0; }
  .stat-number { font-size: 2.6rem; }
  .contact-block { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
@media (prefers-contrast: high) {
  :root {
    --text-color: #000000; --background-color: #FFFFFF;
    --border-color: #000000; --primary-color: #000000; --secondary-color: #000000;
  }
}