/*
 * Stylesheet for Advocatenkantoor van Dijk–Silos (VDS Law Firm) website.
 *
 * This file defines a cohesive design system using CSS variables, responsive
 * layout techniques, and modern typography. The colour palette is inspired
 * by classic legal motifs: a deep blue for trust and professionalism and a
 * warm gold accent for sophistication. The layout is built with flexbox and
 * CSS grid to gracefully adapt to various screen sizes.
 */

/* Root variables for easy theming */
:root {
  --color-primary: #0a3b58; /* dark blue */
  --color-secondary: #d9a217; /* golden accent */
  --color-light: #f7f9fb; /* very light background */
  --color-dark: #122c43; /* darker tone for footer */
  --color-text: #333333; /* body text */
  --color-white: #ffffff;
  --font-heading: 'Merriweather', serif;
  --font-body: 'Inter', sans-serif;
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-light);
  line-height: 1.6;
  scroll-behavior: smooth;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* Utility wrapper to constrain content width */
.wrapper {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Top bar */
.top-bar {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.85rem;
}

.top-bar .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
}

.top-bar .contact span {
  margin-right: 1rem;
}

.top-bar .contact i {
  margin-right: 0.3rem;
}

.top-bar .social a {
  color: var(--color-white);
  margin-left: 0.5rem;
  font-size: 0.95rem;
  transition: color var(--transition-speed);
}

.top-bar .social a:hover {
  color: var(--color-secondary);
}

/* Header / Navigation */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 999;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo span {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links li a {
  font-weight: 600;
  color: var(--color-primary);
  padding: 0.25rem 0;
  transition: color var(--transition-speed);
}

.nav-links li a:hover {
  color: var(--color-secondary);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-primary);
  cursor: pointer;
}

/* Hero section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 59, 88, 0.65);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  text-align: center;
  color: var(--color-white);
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

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

.btn-primary:hover {
  background-color: #b88b13;
  color: var(--color-white);
}

/* About section */
.about {
  padding: 4rem 0;
}

.about h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.about p + p {
  margin-top: 1rem;
}

.about a {
  color: var(--color-secondary);
  font-weight: 600;
}

/* Practice areas */
.practice {
  background-color: var(--color-white);
  padding: 4rem 0;
}

.practice h2 {
  text-align: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.practice p {
  text-align: center;
  margin-bottom: 2rem;
}

.practice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.practice-item {
  background-color: var(--color-light);
  border-radius: 6px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-speed);
}

.practice-item i {
  font-size: 1.8rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.practice-item span {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
}

.practice-item:hover {
  transform: translateY(-4px);
}

/* Team section */
.team {
  padding: 4rem 0;
}

.team h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 2rem;
  text-align: center;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.member {
  background-color: var(--color-white);
  padding: 1.5rem;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: transform var(--transition-speed);
}

.member img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.member h3 {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.member .role {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 0.8rem;
  text-transform: uppercase;
}

.member .bio {
  font-size: 0.9rem;
  text-align: left;
}

.member:hover {
  transform: translateY(-4px);
}

/* Contact section */
.contact {
  background-color: var(--color-white);
  padding: 4rem 0;
}

.contact h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  text-align: center;
}

.contact p {
  text-align: center;
  margin-bottom: 1.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.contact-details p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--color-primary);
}

.contact-details i {
  color: var(--color-secondary);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form .form-row {
  display: flex;
  flex-direction: row;
  gap: 1rem;
}

.contact-form .form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 1rem;
}

.contact-form label {
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.contact-form input,
.contact-form textarea {
  padding: 0.75rem;
  border: 1px solid #ccd5df;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  resize: vertical;
}

.contact-form textarea {
  min-height: 120px;
}

.contact-form .btn {
  width: 100%;
  margin-top: 0.5rem;
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.85rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    width: 200px;
    border: 1px solid #e2e8f0;
    display: none;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links li {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
  }
  .menu-toggle {
    display: block;
  }
  .practice-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
  .contact-form .form-row {
    flex-direction: column;
  }
}
