:root {
  --bg-sand: #F4F1EA;
  --bg-white: #FFFFFF;
  --text-charcoal: #333333;
  --text-muted: #666666;
  --sidebar-blue: #2C3E50;
  --accent-blue: #3498DB;
  --border-color: #E0DCD3;
  --radius-modular: 12px;
}

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

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: var(--bg-sand);
  color: var(--text-charcoal);
  line-height: 1.6;
  font-size: 16px;
  display: flex;
}

a {
  text-decoration: none;
  color: var(--accent-blue);
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

/* Sticky Side Navigation */
.sidebar {
  width: 320px;
  background-color: var(--sidebar-blue);
  color: var(--bg-white);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  padding: 40px 30px;
  border-right: 1px solid var(--border-color);
  z-index: 100;
}

.brand {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 50px;
  color: var(--bg-white);
}

.brand span {
  color: var(--accent-blue);
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.nav-links a {
  color: #B0BEC5;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding-bottom: 5px;
  border-bottom: 1px solid transparent;
  transition: all 0.3s;
}

.nav-links a:hover {
  color: var(--bg-white);
  border-bottom: 1px solid var(--accent-blue);
}

.sidebar-contact {
  margin-top: auto;
}

.sidebar-contact p {
  color: #90A4AE;
  font-size: 0.85rem;
  margin-bottom: 15px;
}

.legal-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.legal-nav a {
  color: #90A4AE;
  font-size: 0.85rem;
}

/* Main Content Area */
.main-content {
  margin-left: 320px;
  padding: 60px;
  width: calc(100% - 320px);
}

/* Modular Blocks & Masonry Grid */
.modular-intro {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-modular);
  padding: 50px;
  margin-bottom: 40px;
}

.modular-intro h1 {
  font-size: 2.5rem;
  color: var(--sidebar-blue);
  margin-bottom: 25px;
  line-height: 1.2;
}

.modular-intro p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: justify;
}

.masonry-grid {
  column-count: 2;
  column-gap: 40px;
}

.modular-block {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-modular);
  margin-bottom: 40px;
  display: inline-block;
  width: 100%;
  overflow: hidden;
}

.modular-image {
  width: 100%;
  display: block;
  border-bottom: 1px solid var(--border-color);
}

.modular-body {
  padding: 30px;
}

.modular-body h3 {
  color: var(--sidebar-blue);
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.modular-body p {
  color: var(--text-muted);
  text-align: justify;
  font-size: 0.95rem;
}

/* Contact Block */
.contact-block {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-modular);
  padding: 40px;
  margin-top: 20px;
}

.contact-block h2 {
  color: var(--sidebar-blue);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-control {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-modular);
  background-color: var(--bg-sand);
  font-family: inherit;
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  background-color: var(--bg-white);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  background-color: var(--accent-blue);
  color: var(--bg-white);
  border: none;
  padding: 15px 30px;
  font-size: 1rem;
  font-weight: bold;
  border-radius: var(--radius-modular);
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-submit:hover {
  background-color: var(--sidebar-blue);
}

/* Legal Pages */
.legal-main {
  margin-left: 320px;
  padding: 60px;
  width: calc(100% - 320px);
}

.legal-block {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-modular);
  padding: 60px;
  max-width: 900px;
  margin: 0 auto;
}

.legal-block h1 {
  color: var(--sidebar-blue);
  text-align: center;
  margin-bottom: 10px;
}

.legal-block h2 {
  color: var(--accent-blue);
  margin-top: 40px;
  margin-bottom: 15px;
  font-size: 1.4rem;
}

.legal-block p, .legal-block ul {
  color: var(--text-muted);
  margin-bottom: 15px;
  text-align: justify;
}

.legal-block ul {
  padding-left: 20px;
}

/* Responsive */
@media (max-width: 1024px) {
  .masonry-grid {
    column-count: 1;
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    padding: 30px;
    border-right: none;
    border-bottom: 1px solid var(--sidebar-blue);
  }
  .nav-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
  }
  .main-content, .legal-main {
    margin-left: 0;
    width: 100%;
    padding: 20px;
  }
  .modular-intro {
    padding: 30px 20px;
  }
}