:root {
  --primary-color: #5D6D7E;
  --secondary-color: #3D5166;
  --accent-color: #86A0B5;
  --light-color: #EDF1F5;
  --dark-color: #1A2533;
  --gradient-primary: linear-gradient(135deg, #5D6D7E 0%, #86A0B5 100%);
  --hover-color: #3D5166;
  --background-color: #F4F7FA;
  --text-color: #243040;
  --border-color: rgba(93, 109, 126, 0.16);
  --divider-color: rgba(61, 81, 102, 0.10);
  --shadow-color: rgba(93, 109, 126, 0.13);
  --highlight-color: #F0A55A;
  --main-font: 'Montserrat', sans-serif;
  --alt-font: 'Poppins', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; width: 100%; }

body {
  font-family: var(--alt-font);
  color: var(--text-color);
  background: linear-gradient(135deg, #F4F7FA 0%, var(--light-color) 100%);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  width: 100%;
  min-width: 320px;
}

img { max-width: 100%; height: auto; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

h1, h2, h3 {
  font-family: var(--main-font);
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 1rem 0;
}

h1 { font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.15; }
h2 { font-size: clamp(1.5rem, 4vw, 2.4rem); line-height: 1.25; }
h3 { font-size: clamp(1.1rem, 3vw, 1.4rem); line-height: 1.35; }

p { margin: 0 0 1rem 0; font-size: clamp(1rem, 2vw, 1.1rem); }

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 10px;
  background: rgba(255,255,255,0.95);
  border-radius: 4px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(5px);
}

.hamburger .line {
  width: 22px;
  height: 2px;
  background: var(--primary-color);
  margin: 2px 0;
  transition: 0.3s;
  border-radius: 1px;
}

#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: rgba(255,255,255,0.98);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  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: 0.8rem 0;
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid transparent;
}

.mobile-nav a:hover {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

header {
  background: rgba(255,255,255,0.95);
  color: var(--text-color);
  padding: 1.5rem 0;
  position: relative;
  z-index: 1000;
  box-shadow: 0 2px 20px var(--shadow-color);
  backdrop-filter: blur(10px);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img { height: 3rem; width: auto; }

.navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}

.navigation a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: all 0.3s ease;
}

.navigation a:hover { color: var(--primary-color); }

.grid { display: grid; width: 100%; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  width: 100%;
}

/* Split two-tone feature card: top half accent bg, bottom half white */
.feature-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  box-shadow: 0 4px 18px var(--shadow-color);
  transition: all 0.3s ease;
  width: 100%;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 32px var(--shadow-color);
}

.feature-card-top {
  background: linear-gradient(135deg, var(--light-color) 0%, #D9E5EF 100%);
  padding: 1.8rem 1.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-card-top {
  background: var(--gradient-primary);
}

.feature-card:hover .feature-card-top h3 {
  color: white;
}

.feature-icon {
  font-size: 2.8rem;
  width: 72px;
  height: 72px;
  background: rgba(255,255,255,0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.8rem auto;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
}

.feature-card-top h3 {
  color: var(--secondary-color);
  margin: 0;
  text-align: center;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  transition: all 0.3s ease;
}

.feature-card-body {
  padding: 1.2rem 1.8rem 1.8rem;
}

.feature-card-body p { margin: 0; font-size: 0.97rem; color: var(--text-color); }

.testimonial {
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 3px 15px var(--shadow-color);
  transition: all 0.3s ease;
  width: 100%;
}

.testimonial:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px var(--shadow-color);
}

.faq-item {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin: 1rem 0;
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: all 0.3s ease;
  padding: 1.8rem 2rem;
  width: 100%;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--shadow-color);
  border-color: var(--primary-color);
}

input, textarea {
  transition: all 0.3s ease;
  font-family: var(--alt-font);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  background: rgba(255,255,255,0.9);
  color: var(--text-color);
  font-size: 1rem;
  width: 100%;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(93, 109, 126, 0.1);
  background: white;
}

.btn, button {
  transition: all 0.3s ease;
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-family: var(--alt-font);
  cursor: pointer;
  font-size: 1rem;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  box-shadow: 0 4px 20px rgba(93, 109, 126, 0.28);
}

.btn:hover, button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(93, 109, 126, 0.38);
}

.stat-card {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.8rem;
  text-align: center;
  box-shadow: 0 3px 15px var(--shadow-color);
  transition: all 0.3s ease;
  width: 100%;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-color);
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--primary-color);
  font-family: var(--main-font);
  line-height: 1;
}

.stat-text {
  font-size: 1rem;
  color: var(--text-color);
  margin-top: 0.5rem;
  font-weight: 500;
}

footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding: 3rem 0 1rem;
}

footer img[alt="logo"] { filter: brightness(0) invert(1); }

.pattern-bg {
  background-image:
    linear-gradient(rgba(93,109,126,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93,109,126,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .navigation { display: none; }
  .mobile-nav { display: block; }
  .features-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr !important; gap: 1.5rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 0.75rem; }
  .feature-card-body { padding: 1rem 1.2rem 1.4rem; }
  .faq-item { padding: 1.5rem 1rem; }
  .testimonial { padding: 1.5rem 1rem; }
}

a:focus, button:focus, input:focus, textarea:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

#contact > div > div { width: 80%; }

@media (max-width: 768px) {
  #contact > div > div { width: 100%; }
}