:root {
  --light: #bfc2df;
  --midtone: #3177cc;
  --dark: #2b2962;
  --primary: var(--dark);
  --primary-light: #3d3b7a;
  --secondary: var(--midtone);
  --accent: var(--light);
  --white: #ffffff;
  --gray-100: #f4f5f9;
  --gray-200: #e2e4ed;
  --text: #1a1a2e;
  --text-light: #515170;
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  --max-width: 1200px;
  --shadow-sm: 0 2px 4px rgba(43, 41, 98, 0.05);
  --shadow-md: 0 10px 30px rgba(43, 41, 98, 0.08);
  --shadow-lg: 0 20px 50px rgba(43, 41, 98, 0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--white);
  overflow-x: hidden;
}

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

/* Header & Nav */
header {
  height: 80px;
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(26, 25, 59, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 5%;
}

.nav-container {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#logo {
  height: 50px;
  width: auto;
}

header div.top-legend {
  font-weight: 600;
  font-size: 2rem;
  font-style: italic;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  text-decoration: none;
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary);
  transition: var(--transition);
}

nav a:hover::after {
  width: 100%;
}

.lang-switch {
  display: flex;
  gap: 0.5rem;
}

.lang-btn {
  background: none;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: bold;
  transition: var(--transition);
}

.lang-btn.active {
  background: var(--primary);
  color: var(--white);
}

/* Hero Section */
.hero {
  padding: 40px 5% 5px;
  background: linear-gradient(135deg, var(--primary-light) 0%, #0d0c24 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(224, 224, 255, 0.1) 0%, transparent 70%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* Solutions Grid */
.solutions {
  padding: 100px 5%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  color: var(--primary);
  font-size: 2.5rem;
  position: relative;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--midtone);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--light);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  transition: var(--transition);
}

.card-content {
  padding: 2rem;
  flex-grow: 1;
}

.card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Full Width Card */
.card-full {
  margin-top: 3rem;
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 350px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  max-width: 100%;
}

.card-full:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--midtone);
}

.card-full .card-img {
  height: 100%;
  min-height: 300px;
}

.card-full .card-content {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-full h3 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.card-full p {
  font-size: 1.1rem;
  color: var(--text-light);
  line-height: 1.8;
}

@media (max-width: 900px) {
  .card-full {
    grid-template-columns: 1fr;
  }

  .card-full .card-img {
    height: 250px;
  }
}

/* Principles */
.principles {
  background: var(--gray-100);
  padding: 100px 5%;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  width: 100%;
}

.principles .nav-container {
  flex-direction: column;
}

.principle-item {
  padding: 2rem;
  border-left: 4px solid var(--primary);
  background: var(--white);
}

.principle-item h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

/* Contact Form & Info */
.contact {
  padding: 20px 5%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-items {
  display: flex;
  gap: 4rem;
  flex-direction: row;
}


.contact-info h3 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.contact-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.info-item {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.info-item .icon {
  width: 50px;
  height: 50px;
  background: var(--light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
}

.info-item h4 {
  font-size: 0.9rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.info-item a {
  font-size: 1.2rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition);
}

.info-item a:hover {
  color: var(--midtone);
}

#contact-form {
  display: grid;
  gap: 1.5rem;
  background: var(--white);
  padding: 3rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}

input,
textarea {
  padding: 0.8rem 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-family: inherit;
  transition: var(--transition);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26, 25, 59, 0.1);
}

.submit-btn {
  background: var(--primary);
  color: var(--white);
  padding: 1rem 2rem;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  background: var(--primary-light);
  transform: scale(1.02);
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--primary-light) 0%, #0d0c24 100%);
  color: var(--white);
  padding: 5px 5%;
  text-align: center;
}

footer>.nav-container {
  max-width: var(--max-width);
  width: 100%;
  justify-content: center;
  ;
  align-items: center;
}

.legal-box {
  max-width: var(--max-width);
  margin: 0 auto 40px;
  opacity: 0.7;
  font-size: 0.8rem;
  text-align: left;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

#copyright {
  font-size: 0.9rem;
  opacity: 0.6;
}

#legal-toggle {
  color: var(--light);
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
  transition: var(--transition);
  margin-left: 2rem;
  font-size: 0.9rem;
  opacity: 0.6;
}

#legal-toggle:hover {
  color: var(--white);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(43, 41, 98, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--white);
  padding: 3rem;
  border-radius: 20px;
  max-width: 600px;
  width: 90%;
  position: relative;
  transform: translateY(30px);
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gray-100);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--light);
  color: var(--white);
}

.modal-content h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

.modal-content p {
  color: var(--text);
  line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  header div.top-legend {
    font-size: 1.2rem;
  }

  header {
    padding: 0 1rem;
    height: auto;
    padding: 1rem;
  }

  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }

  nav {
    display: none;
  }

  /* Could add a mobile menu later if needed */
  .grid,
  .principles-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    gap: 3rem;
  }

  .contact-info {
    text-align: center;
    align-items: center;
  }

  .info-item {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}