@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
  --color-primary: #0052FF;
  --color-primary-hover: #003BFF;
  --color-primary-light: #eff6ff;
  --color-text-dark: #0f172a;
  --color-text-body: #334155;
  --color-text-muted: #64748b;
  --color-bg-white: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #10b981;
  --color-error: #ef4444;
  
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --container-max-width: 1200px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-premium: 0 20px 40px -15px rgba(0, 82, 255, 0.08);
}

/* Global Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg-white);
  color: var(--color-text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-dark);
  font-weight: 700;
  line-height: 1.25;
}

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

/* Utility Layouts */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

/* Navigation Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--color-text-dark);
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-body);
  font-size: 0.95rem;
  position: relative;
  padding: 0.25rem 0;
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-normal);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 82, 255, 0.2);
}

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

.btn-secondary:hover {
  background-color: #dbeafe;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: var(--transition-normal);
  background-color: var(--color-text-dark);
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
  background: var(--color-bg-white);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  width: fit-content;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-text-dark) 40%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.hero-features {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-body);
}

.hero-feature-item svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-success);
}

/* 3D Cuboid Graphic */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  height: 400px;
}

.scene {
  width: 320px;
  height: 320px;
  perspective: 1200px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.cuboid-wrapper {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  transform-style: preserve-3d;
  transform: rotateZ(145deg) rotateX(25deg);
}

.cuboid {
  width: 150px;
  height: 240px;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(40deg);
}

.face {
  position: absolute;
  box-sizing: border-box;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 82, 255, 0.1), inset 0 0 10px rgba(255, 255, 255, 0.2);
}

.face::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
}

/* Cuboid geometry dimensions: Width: 150px, Depth: 150px, Height: 240px */
.face-front, .face-back {
  width: 150px;
  height: 240px;
}

.face-left, .face-right {
  width: 150px;
  height: 240px;
}

.face-top, .face-bottom {
  width: 150px;
  height: 150px;
  left: 0;
  top: calc(50% - 75px);
}

.face-front  { transform: rotateY(0deg) translateZ(75px); background: linear-gradient(135deg, rgba(0, 82, 255, 0.8), rgba(99, 102, 241, 0.8)); }
.face-back   { transform: rotateY(180deg) translateZ(75px); background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(0, 82, 255, 0.8)); }
.face-left   { transform: rotateY(-90deg) translateZ(75px); background: linear-gradient(135deg, rgba(6, 182, 212, 0.8), rgba(0, 82, 255, 0.8)); }
.face-right  { transform: rotateY(90deg) translateZ(75px); background: linear-gradient(135deg, rgba(0, 82, 255, 0.8), rgba(6, 182, 212, 0.8)); }
.face-top    { transform: rotateX(90deg) translateZ(120px); background: linear-gradient(135deg, rgba(236, 72, 153, 0.8), rgba(99, 102, 241, 0.8)); }
.face-bottom { transform: rotateX(-90deg) translateZ(120px); background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(236, 72, 153, 0.8)); }

.cuboid-shadow {
  width: 200px;
  height: 24px;
  background: radial-gradient(ellipse at center, rgba(0, 82, 255, 0.15) 0%, rgba(0, 82, 255, 0) 70%);
  border-radius: 50%;
  position: absolute;
  bottom: 0px;
  left: 50%;
  transform: translateX(-50%);
}

/* Tool Generator Section */
.tool-section {
  background-color: var(--color-bg-white);
  padding: 4rem 0;
}

.tool-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: var(--shadow-premium);
  overflow: hidden;
}

.tool-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-border-light);
}

.tab-btn {
  flex: 1;
  padding: 1.25rem;
  background: none;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--color-primary);
}

.tab-btn.active {
  color: var(--color-primary);
  background-color: var(--color-bg-white);
  border-bottom: 2px solid var(--color-primary);
}

.tab-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

.tool-body {
  padding: 2.5rem;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Text Input View */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

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

.input-label {
  font-weight: 600;
  color: var(--color-text-dark);
}

.char-counter {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.textarea-field {
  width: 100%;
  height: 180px;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text-dark);
  resize: vertical;
  outline: none;
  transition: var(--transition-fast);
}

.textarea-field:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.15);
}

/* File Upload View */
.dropzone {
  width: 100%;
  height: 220px;
  border: 2px dashed var(--color-border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 2rem;
  margin-bottom: 2rem;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.dropzone-icon {
  width: 3.5rem;
  height: 3.5rem;
  color: var(--color-primary);
  transition: var(--transition-normal);
}

.dropzone:hover .dropzone-icon, .dropzone.dragover .dropzone-icon {
  transform: translateY(-5px);
}

.dropzone-text {
  text-align: center;
}

.dropzone-title {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text-dark);
  margin-bottom: 0.25rem;
}

.dropzone-sub {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.file-input {
  display: none;
}

.selected-file-card {
  display: none;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-border-light);
  margin-bottom: 2rem;
}

.selected-file-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.file-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

.file-details {
  display: flex;
  flex-direction: column;
}

.file-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-dark);
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-size {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.remove-file-btn {
  background: none;
  border: none;
  color: var(--color-error);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
}

.remove-file-btn:hover {
  background-color: rgba(239, 68, 68, 0.1);
}

/* Tool Actions & Outputs */
.tool-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.control-left, .control-right {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.output-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.output-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.output-container {
  display: flex;
  gap: 0.75rem;
}

.hash-output {
  flex: 1;
  background-color: var(--color-border-light);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem;
  font-family: 'Courier New', Courier, monospace;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text-dark);
  word-break: break-all;
  min-height: 3.5rem;
  display: flex;
  align-items: center;
}

.hash-output.empty {
  font-weight: 400;
  color: var(--color-text-muted);
  font-family: var(--font-main);
  font-size: 0.95rem;
}

/* Content Area Styling */
.content-section {
  padding: 5rem 0;
  line-height: 1.8;
}

.content-grid {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.content-block {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.content-block h2 {
  font-size: 2rem;
  margin-top: 1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.content-block h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 99px;
}

.content-block h3 {
  font-size: 1.4rem;
  margin-top: 1rem;
}

.content-block p {
  font-size: 1.05rem;
  color: var(--color-text-body);
}

.content-block ul, .content-block ol {
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.content-block li {
  font-size: 1.05rem;
}

.highlight-box {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  padding: 1.5rem;
  border-radius: 0 8px 8px 0;
  font-size: 1.05rem;
  color: var(--color-text-dark);
}

/* Steps / Workflow */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 1.5rem;
}

.step-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  transition: var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.step-num {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary);
  color: var(--color-bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.step-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

/* Code block comparisons */
.comparison-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin: 1.5rem 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 1rem;
}

.comparison-table th {
  background-color: var(--color-border-light);
  color: var(--color-text-dark);
  font-weight: 700;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--color-border);
}

.comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-body);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover {
  background-color: var(--color-border-light);
}

/* Code tab blocks */
.code-wrapper {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--color-text-dark);
  color: #f8f8f2;
  margin: 1.5rem 0;
}

.code-header {
  background-color: #1e293b;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid #334155;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.code-lang {
  font-size: 0.85rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
}

.code-copy {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
}

.code-copy:hover {
  color: var(--color-bg-white);
  background-color: #334155;
}

.code-content pre {
  padding: 1.25rem;
  overflow-x: auto;
  font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
  font-size: 0.95rem;
  margin: 0;
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-dark);
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-muted);
  transition: var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background-color: var(--color-bg-white);
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 1rem;
  color: var(--color-text-body);
}

/* Static Secondary Pages Content Structure */
.page-title-section {
  background-color: var(--color-border-light);
  padding: 4rem 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 2.75rem;
  margin-bottom: 0.5rem;
}

.page-breadcrumbs {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.page-breadcrumbs a:hover {
  color: var(--color-primary);
}

.page-content-wrapper {
  padding: 5rem 0;
}

.rich-text {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
}

.rich-text h2 {
  font-size: 1.8rem;
  margin: 2.5rem 0 1rem;
}

.rich-text p {
  margin-bottom: 1.5rem;
}

.rich-text ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.rich-text li {
  margin-bottom: 0.5rem;
}

/* Contact Page Styles */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-icon {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.contact-info-title {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.contact-info-text {
  color: var(--color-text-muted);
}

.contact-form-card {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-label {
  font-weight: 600;
  color: var(--color-text-dark);
}

.form-input {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.15);
}

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

.form-status {
  padding: 1rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  display: none;
  font-weight: 500;
}

.form-status.success {
  display: block;
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status.error {
  display: block;
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* Footer Section */
.footer {
  background-color: var(--color-bg-white);
  border-top: 1px solid var(--color-border);
  padding: 5rem 0 2rem 0;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-desc {
  color: var(--color-text-muted);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: var(--color-bg-white);
}

/* Official Social Brand Colors on Hover */
.social-icon.facebook:hover {
  color: #ffffff;
  background-color: #1877F2;
  border-color: #1877F2;
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(24, 119, 242, 0.3);
}

.social-icon.x-twitter:hover {
  color: #ffffff;
  background-color: #000000;
  border-color: #000000;
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.social-icon.linkedin:hover {
  color: #ffffff;
  background-color: #0077B5;
  border-color: #0077B5;
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0, 119, 181, 0.3);
}

.social-icon.github:hover {
  color: #ffffff;
  background-color: #24292E;
  border-color: #24292E;
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(36, 41, 46, 0.3);
}

.footer-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-menu-link {
  color: var(--color-text-muted);
  transition: var(--transition-fast);
  display: inline-block;
}

.footer-menu-link:hover {
  color: var(--color-primary);
  transform: translateX(3px);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
}

.footer-contact-item svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border-light);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Animations */
.animate-fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-up {
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 0.6s ease-out forwards;
}

.delay-1 {
  animation-delay: 0.1s;
}
.delay-2 {
  animation-delay: 0.2s;
}
.delay-3 {
  animation-delay: 0.3s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    height: 350px;
    grid-row: 1;
  }
  
  .hero-content {
    text-align: center;
    align-items: center;
  }
  
  .hero-desc {
    margin: 0 auto;
  }
  
  .hero-features {
    justify-content: center;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 4.5rem;
    flex-direction: column;
    background-color: var(--color-bg-white);
    width: 100%;
    height: calc(100vh - 4.5rem);
    text-align: center;
    transition: 0.3s ease;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    padding: 3rem 0;
    gap: 2rem;
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger {
    display: block;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .tool-body {
    padding: 1.5rem;
  }
  
  .tool-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .control-left, .control-right {
    justify-content: space-between;
  }
  
  .output-container {
    flex-direction: column;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
  
  .hero-features {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}