/* ===========================================
   ABC WELDWORX - WEBSITE STYLES
   Accentkleur: #296f87
   =========================================== */

/* CSS Variabelen - Makkelijk aanpasbaar */
:root {
  /* Kleuren */
  --color-primary: #296f87;
  --color-primary-dark: #1e5568;
  --color-primary-light: #3a8aa6;

  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-text-dark: #1a202c;

  --color-bg: #9f9f9f;
  --color-bg-light: #b0b0b0;
  --color-bg-alt: #8a8a8a;

  --color-ui: #424242;
  --color-ui-light: #5a5a5a;

  --color-border: #555555;
  --color-white: #ffffff;

  /* Typography */
  --font-family:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 5rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition: all 0.3s ease;
}

/* ===========================================
   RESET & BASE
   =========================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

ul {
  list-style: none;
}

/* ===========================================
   LAYOUT
   =========================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-white);
  max-width: 600px;
  margin: 0 auto;
}

/* ===========================================
   HEADER & NAVIGATION
   =========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-ui);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 130px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-white);
}

.logo-img {
  height: 130px;
  width: auto;
}
.logo-text {
  display: flex;
  line-height: 1;
  flex-direction: row;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-links a {
  font-weight: 500;
  color: var(--color-white);
  position: relative;
  padding: var(--spacing-xs) 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-white);
  transition: var(--transition);
}

/* ===========================================
   BUTTONS
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ===========================================
   HERO SECTION
   =========================================== */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(
    135deg,
    var(--color-ui) 0%,
    #5a5a5a 50%,
    var(--color-primary) 100%
  );
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ===========================================
   FEATURES SECTION
   =========================================== */
.features {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-bg-light);
  margin-top: -60px;
  position: relative;
  z-index: 10;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-xs);
}

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

/* ===========================================
   SERVICES SECTION
   =========================================== */
.services {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-ui);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}
.service-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  max-width: calc(50% - var(--spacing-lg) / 2);
  margin: 0 auto;
}
.services-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.service-card {
  background-color: var(--color-ui-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.service-image {
  height: 200px;
  background-color: var(--color-bg-alt);
  overflow: hidden;
}

.service-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  background: linear-gradient(
    135deg,
    var(--color-ui) 0%,
    var(--color-primary) 100%
  );
}

.service-content {
  padding: var(--spacing-lg);
}

.service-content h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.service-content p {
  color: var(--color-white);
  line-height: 1.7;
}

/* ===========================================
   ABOUT SECTION
   =========================================== */
.about {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-ui);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.about-content p {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-list {
  margin-top: var(--spacing-lg);
}

.about-list li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
  font-weight: 500;
}

.about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

.about-image {
  height: 500px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--color-ui) 0%,
    var(--color-primary) 100%
  );
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
}

/* ===========================================
   PROJECTS SECTION
   =========================================== */
.projects {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-bg-light);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.project-card {
  position: relative;
  height: 300px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}

.project-image {
  width: 100%;
  height: 100%;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--color-ui) 0%,
    var(--color-primary) 100%
  );
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-lg);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--color-white);
  transform: translateY(100%);
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  transform: translateY(0);
}

.project-overlay h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.project-overlay p {
  font-size: 0.95rem;
  opacity: 0.9;
}

/* ===========================================
   CONTACT SECTION
   =========================================== */
.contact {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-ui);
  display: flex;
  align-items: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}
.contact-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  color: var(--color-white);
  gap: var(--spacing-sm);
  a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.875rem 1.75rem;
  }
}

.contact-info h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.contact-info > p {
  color: var(--color-white);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.contact-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item strong {
  display: block;
  color: var(--color-white);
  margin-bottom: 2px;
}

.contact-item p {
  color: var(--color-white);
}

.contact-form-wrapper {
  background-color: var(--color-ui);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: 500;
  color: var(--color-white);
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

/* ===========================================
   FOOTER
   =========================================== */
.footer {
  background-color: var(--color-ui);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--spacing-sm);
}

.footer-brand .logo-img {
  height: 40px;
  width: auto;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  max-width: 300px;
}

.footer h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.footer ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-services li,
.footer-contact p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: 100%;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .about-image {
    height: 400px;
    order: -1;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-ui);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    gap: 0;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: var(--spacing-sm) 0;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 140px 0 80px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.125rem;
  }

  .features {
    margin-top: 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-overlay {
    transform: translateY(0);
    background: linear-gradient(transparent 30%, rgba(0, 0, 0, 0.8));
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .about-content h2,
  .contact-info h2 {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand p {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.2rem;
  }
  .hero h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .feature-card {
    padding: var(--spacing-lg);
  }

  .service-content {
    padding: var(--spacing-md);
  }

  .contact-form-wrapper {
    padding: var(--spacing-md);
  }
}

/* ===========================================
   ANIMATIONS
   =========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Utility class for scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}