/* ========================================
   ridbricks LEGO Business Website Styles
   ======================================== */

/* CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* CSS Custom Properties */
:root {
  /* Colors - easily customizable */
  --color-primary: #0066cc;
  --color-primary-dark: #004c99;
  --color-secondary: #ff6600;
  --color-secondary-dark: #cc5200;
  --color-bg: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #dddddd;
  --color-success: #28a745;
  --color-error: #dc3545;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  --font-size-xxxl: 2.5rem;
  --line-height: 1.6;

  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

h1 {
  font-size: var(--font-size-xxxl);
}

h2 {
  font-size: var(--font-size-xxl);
}

h3 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-sm);
}

/* Layout Components */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header & Navigation */
header {
  background-color: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.logo img {
  height: 50px;
  width: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-text {
  color: var(--color-primary);
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

nav a {
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

nav a:hover {
  background-color: var(--color-bg-light);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: var(--font-size-base);
  text-decoration: none;
}

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

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

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

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

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

.btn-outline-white {
  background-color: transparent;
  border: 2px solid white;
  color: white;
}

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

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.hero h1 {
  font-size: var(--font-size-xxxl);
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta .btn {
  flex: 1;
  max-width: 280px;
}

/* Sections */
section {
  padding: var(--spacing-xxl) 0;
}

section:nth-child(even) {
  background-color: var(--color-bg-light);
}

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

/* Cards */
.card {
  background-color: var(--color-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: var(--spacing-md);
}

.card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

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

/* Process Steps */
.process-steps {
  counter-reset: step-counter;
  max-width: 700px;
  margin: 0 auto;
}

.process-step {
  position: relative;
  padding-left: 3rem;
  margin-bottom: var(--spacing-lg);
}

.process-step::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.process-step h3 {
  margin-bottom: var(--spacing-xs);
}

.process-step p {
  color: var(--color-text-light);
}

/* Forms */
form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
}

.required::after {
  content: " *";
  color: var(--color-error);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
input[type="file"] {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: var(--transition);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.form-help {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

.error-message {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error input,
.form-group.error textarea {
  border-color: var(--color-error);
}

.form-group.error .error-message {
  display: block;
}

/* File Upload Preview */
.file-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.file-preview-item {
  position: relative;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs);
  text-align: center;
}

.file-preview-item img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: var(--spacing-xs);
}

.file-preview-item .file-name {
  font-size: var(--font-size-sm);
  word-break: break-word;
}

.file-preview-item .remove-file {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--color-error);
  color: white;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  cursor: pointer;
  font-weight: 700;
}

/* Lists */
.info-list {
  list-style: none;
  margin: var(--spacing-md) 0;
}

.info-list li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-lg);
  position: relative;
}

.info-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* Success Page */
.success-container {
  text-align: center;
  padding: var(--spacing-xxl) 0;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.success-icon {
  font-size: 4rem;
  color: var(--color-success);
  margin-bottom: var(--spacing-md);
}

.success-container h1 {
  color: var(--color-success);
  margin-bottom: var(--spacing-md);
}

.success-container .card {
  max-width: 600px;
  margin-top: var(--spacing-xl);
}

.success-container .process-steps {
  text-align: left;
}

/* Footer */
footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

footer a {
  color: var(--color-secondary);
  text-decoration: underline;
}

footer a:hover {
  color: white;
}

.footer-links {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.copyright {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.hidden {
  display: none;
}

/* Responsive Design - Mobile First */

/* Tablets (768px and up) */
@media (min-width: 768px) {
  :root {
    --font-size-base: 18px;
    --font-size-xxxl: 3rem;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
  :root {
    --spacing-xxl: 5rem;
  }

  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile Navigation */
@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 2px solid var(--color-border);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
  }

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

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

  nav a {
    display: block;
    padding: var(--spacing-md);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
  }
}