/*
 * DockerBuild.com - Main Stylesheet
 * A mobile-first CSS for DockerBuild.com
 */

/* Horizontal Terminal Commands in Navbar */
.terminal-commands-h {
  margin-left: 2rem;
  display: flex;
  align-items: center;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  height: 36px;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  max-width: 480px;
}

.terminal-prompt {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #212121;
  color: white;
  padding: 0 12px;
  height: 100%;
  border-radius: 6px 0 0 6px;
  border-right: 1px solid #444;
  flex-shrink: 0;
}

.prompt {
  color: #50fa7b;
  font-size: 0.8rem;
  font-weight: bold;
}

.terminal-commands-scroll {
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: thin;
  white-space: nowrap;
  background-color: #2b2b2b;
  height: 100%;
  border-radius: 0 6px 6px 0;
  padding: 0 8px;
}

.terminal-commands-scroll::-webkit-scrollbar {
  height: 2px;
}

.terminal-commands-scroll::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
}

.command-pill {
  color: #f8f8f8;
  font-size: 0.75rem;
  padding: 4px 10px;
  margin: 0 4px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  white-space: nowrap;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  position: relative;
}

.command-pill:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.2);
}

.command-pill.copied {
  background-color: rgba(40, 167, 69, 0.25);
  border-color: rgba(40, 167, 69, 0.4);
}

/* Responsive adjustments */
@media (max-width: 1200px) {
  .terminal-commands-h {
    display: none;
  }
}

/* Navbar styles */
.navbar {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.navbar-brand {
  display: flex;
  align-items: center;
}

.logo {
  display: block;
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-left: 1rem;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--dark);
  margin: 5px 0;
  transition: var(--transition);
}

/* Adjust navbar menu to accommodate terminal */
.navbar-menu {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: space-between;
  margin-left: 2rem;
}

.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin-right: 1.5rem;
}

.nav-link {
  color: var(--dark);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0.5rem 0;
}

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

/* Search container */
.navbar-end {
  margin-left: 1rem;
}

.search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  border: 1px solid var(--gray-light);
  border-radius: 20px;
  padding: 0.5rem 1rem;
  padding-right: 2.5rem;
  font-size: 0.9rem;
  width: 200px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  width: 240px;
}

.search-button {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray);
  transition: var(--transition);
}

.search-button:hover {
  color: var(--primary);
}

/* Responsive navbar */
@media (max-width: 991px) {
  .navbar-toggle {
    display: block;
  }
  
  .navbar-menu {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    opacity: 0;
    visibility: hidden;
    margin-left: 0;
  }
  
  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }
  
  .nav-item {
    margin-right: 0;
    margin-bottom: 0.75rem;
    width: 100%;
  }
  
  .nav-link {
    display: block;
    padding: 0.5rem 0;
    width: 100%;
  }
  
  .navbar-end {
    margin: 1rem 0 0;
    width: 100%;
  }
  
  .search-container {
    width: 100%;
  }
  
  .search-input {
    width: 100%;
  }
  
  .search-input:focus {
    width: 100%;
  }
}

/* Button styles */
.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
}

/* ---------- Base Styles ---------- */
:root {
  --primary: #13A7FF;
  --primary-dark: #0D8CD8;
  --secondary: #2A2A2A;
  --light: #F6F9FC;
  --dark: #212529;
  --gray: #6c757d;
  --gray-light: #e9ecef;
  --gray-dark: #343a40;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --border-radius: 4px;
  --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --container-width: 1140px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.2rem;
}

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

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

p {
  margin-bottom: 1rem;
}

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

code, pre, kbd {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

pre {
  background: var(--gray-dark);
  color: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

code {
  background-color: var(--gray-light);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* ---------- Container & Grid ---------- */
.container {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -1rem;
  margin-left: -1rem;
}

.col {
  flex: 1 0 0%;
  padding-right: 1rem;
  padding-left: 1rem;
}

/* ---------- Navbar ---------- */
.navbar {
  background-color: white;
  box-shadow: var(--box-shadow);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.navbar-brand {
  display: flex;
  align-items: center;
}

.logo {
  display: block;
  transition: var(--transition);
}

.logo:hover {
  opacity: 0.8;
}

.navbar-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.navbar-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--dark);
  border-radius: 3px;
  transition: var(--transition);
}

.navbar-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.navbar-menu {
  flex: 1;
  display: none;
}

.navbar-menu.active {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: white;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  padding: 1rem;
}

.navbar-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.nav-item {
  margin-bottom: 0.5rem;
}

.nav-link {
  display: block;
  padding: 0.5rem 0;
  color: var(--dark);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.search-container {
  position: relative;
  margin-left: 1rem;
}

.search-input {
  padding: 0.5rem 2.5rem 0.5rem 0.75rem;
  border: 1px solid var(--gray-light);
  border-radius: var(--border-radius);
  width: 200px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
}

.search-button {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray);
  cursor: pointer;
  padding: 0.25rem;
}

.search-button:hover {
  color: var(--primary);
}

/* ---------- Hero Section ---------- */
.hero {
  padding: 4rem 0;
  background-color: var(--light);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--gray);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  vertical-align: middle;
  user-select: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

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

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

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

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

/* ---------- Card ---------- */
.card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  margin-bottom: 2rem;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--gray);
  margin-bottom: 1.5rem;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background-color: var(--gray-light);
}

.card-tag {
  background-color: var(--primary);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
}

/* ---------- Section ---------- */
.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.section-description {
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
}

/* ---------- Cards Grid ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* ---------- Newsletter Section ---------- */
.newsletter {
  background-color: var(--dark);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.newsletter-form {
  max-width: 500px;
  margin: 2rem auto 0;
  display: flex;
  gap: 0.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem;
  border: none;
  border-radius: var(--border-radius);
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--secondary);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  margin-bottom: 2rem;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 1rem;
}

.footer-tagline {
  color: var(--gray-light);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
}

.footer-section h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--gray-light);
}

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

.newsletter-mini input {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  border: none;
  border-radius: var(--border-radius);
}

.newsletter-mini .btn {
  width: 100%;
}

.sponsor-banner {
  background-color: rgba(19, 167, 255, 0.1);
  padding: 1rem;
  text-align: center;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.footer-social a {
  color: var(--gray-light);
}

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

/* ---------- Media Queries ---------- */
@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
  
  .navbar-toggle {
    display: none;
  }
  
  .navbar-menu {
    display: block;
    margin-left: 2rem;
  }
  
  .navbar-nav {
    flex-direction: row;
    align-items: center;
  }
  
  .nav-item {
    margin-bottom: 0;
    margin-right: 1.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 2fr;
  }
  
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .footer-social {
    margin-top: 0;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
  
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: var(--container-width);
  }
}

/* ---------- Code Highlighting ---------- */
.code-header {
  background-color: var(--gray-dark);
  color: white;
  padding: 0.5rem 1rem;
  font-family: monospace;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.code-header + pre {
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  margin-top: 0;
}

.copy-button {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  opacity: 0.7;
  transition: var(--transition);
}

.copy-button:hover {
  opacity: 1;
}

/* ---------- Tools Section ---------- */
.tool-container {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 2rem;
  margin-bottom: 2rem;
}

.tool-header {
  margin-bottom: 1.5rem;
}

.tool-description {
  margin-bottom: 2rem;
}

.tool-input-group {
  margin-bottom: 1.5rem;
}

.tool-textarea {
  width: 100%;
  min-height: 200px;
  padding: 1rem;
  border: 1px solid var(--gray-light);
  border-radius: var(--border-radius);
  font-family: monospace;
  resize: vertical;
}

.tool-result {
  background-color: var(--light);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-top: 2rem;
}

.tool-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.metric-card {
  background-color: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
}

.metric-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.metric-label {
  color: var(--gray);
  font-size: 0.875rem;
}