/* ========================================
   Webico - Mobile-First Stylesheet
   ======================================== */

/* CSS Variables */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-accent: #10b981;
  --color-background: #ffffff;
  --color-background-alt: #f9fafb;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

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

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
}

html, body {
  max-width: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
}

.section-title {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

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

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

.btn-full {
  width: 100%;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: white;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: white;
  padding: var(--spacing-md);
  flex-direction: column;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow-md);
}

.nav.active {
  display: flex;
}

.nav-link {
  padding: var(--spacing-sm);
  color: var(--color-text);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.lang-toggle {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-background-alt);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
  transition: all var(--transition);
}

.lang-toggle:hover {
  background: var(--color-primary);
  color: white;
}

.menu-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

.menu-toggle.active .hamburger {
  background: transparent;
}

.menu-toggle.active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle.active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  padding: calc(64px + var(--spacing-xl)) 0 var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 100%);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

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

.hero-headline {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.hero-subheadline {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-width: 400px;
  width: 100%;
}

/* ========================================
   Services Section
   ======================================== */
.services {
  padding: var(--spacing-xl) 0;
}

.services-grid {
  display: grid;
  gap: var(--spacing-md);
}

.service-card {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* ========================================
   Why Choose Us Section
   ======================================== */
.why-us {
  padding: var(--spacing-xl) 0;
  background: var(--color-background-alt);
}

.why-us-grid {
  display: grid;
  gap: var(--spacing-md);
}

.why-us-card {
  text-align: center;
  padding: var(--spacing-md);
}

.why-us-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-sm);
  color: var(--color-primary);
  background: white;
  border-radius: 50%;
  padding: 12px;
  box-shadow: var(--shadow-sm);
}

.why-us-icon svg {
  width: 100%;
  height: 100%;
}

.why-us-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.why-us-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* ========================================
   AI Section
   ======================================== */
.ai-section {
  padding: var(--spacing-xl) 0;
}

.ai-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.ai-image {
  display: flex;
  justify-content: center;
}

.ai-image img {
  max-width: 300px;
  width: 100%;
}

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

.ai-text .section-title {
  text-align: center;
}

.ai-desc {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio {
  padding: var(--spacing-xl) 0;
  background: var(--color-background-alt);
}

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

.portfolio-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.portfolio-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.portfolio-image {
  height: 140px;
  background: var(--color-background-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm);
}

.portfolio-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.portfolio-title {
  font-size: 0.9375rem;
  padding: var(--spacing-xs) var(--spacing-sm) 0;
  margin-top: 0;
}

.portfolio-desc {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-sm);
}

.portfolio-deploying {
  position: relative;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.deploying-badge {
  color: white;
  padding: 6px 60px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transform: rotate(-35deg);
  position: absolute;
}

/* ========================================
   Process Section
   ======================================== */
.process {
  padding: var(--spacing-xl) 0;
}

.process-steps {
  display: grid;
  gap: var(--spacing-md);
}

.process-step {
  text-align: center;
  padding: var(--spacing-md);
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-sm);
}

.step-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
  padding: var(--spacing-xl) 0;
  background: var(--color-background-alt);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--spacing-md);
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform var(--transition);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

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

.faq-answer {
  display: none;
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-light);
}

.faq-item.active .faq-answer {
  display: block;
}

/* ========================================
   About Section
   ======================================== */
.about {
  padding: var(--spacing-xl) 0;
}

.about-text {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  color: var(--color-text-light);
  font-size: 1.125rem;
  line-height: 1.8;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  padding: var(--spacing-xl) 0;
  background: var(--color-background-alt);
}

.contact-content {
  display: grid;
  gap: var(--spacing-lg);
}

.contact-form {
  background: transparent;
  padding: 0;
}

.form-row {
  display: grid;
  gap: var(--spacing-md);
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  font-size: 0.9375rem;
  line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  margin: 0;
  margin-right: 10px;
  margin-top: 5px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
  align-self: center;
}

.checkbox-label span {
  display: inline-block;
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--color-border);
}

.contact-info h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.contact-info-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-light);
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-social {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: var(--spacing-sm);
}

.contact-social a {
  color: #2563eb;
  transition: color var(--transition);
  display: flex;
  align-items: center;
}

.contact-social a:hover {
  color: #1d4ed8;
}

.contact-social svg {
  width: 24px;
  height: 24px;
}

/* Form Success/Error States */
.form-success {
  background: #d1fae5;
  color: #065f46;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  text-align: center;
  display: none;
}

.form-success.show {
  display: block;
}

/* Form Steps */
.form-step {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
}

.contact-form > .btn {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.0625rem;
}

.step-header {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  height: 30px;
  line-height: 14px;
}

/* Radio Cards for Project Type */
.project-type-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  align-items: stretch;
}

.radio-card {
  cursor: pointer;
  display: flex;
}

.radio-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-card-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 20px 10px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: white;
  transition: all var(--transition);
  text-align: center;
  width: 100%;
  flex: 1;
}

.radio-card-content svg {
  width: 32px;
  height: 32px;
  min-width: 32px;
  min-height: 32px;
  max-width: 32px;
  max-height: 32px;
  flex-shrink: 0;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.radio-card-content span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.radio-card input:checked + .radio-card-content {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
}

.radio-card input:checked + .radio-card-content svg {
  color: var(--color-primary);
}

.radio-card:hover .radio-card-content {
  border-color: var(--color-primary);
}

/* Dynamic Sections */
.dynamic-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

.dynamic-section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.select-project-hint {
  text-align: center;
  color: var(--color-text-light);
  font-style: italic;
  padding: var(--spacing-lg);
}

.select-project-hint.hidden {
  display: none;
}

/* Estimate Display */
.estimate-display {
  display: none;
  background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  margin-top: var(--spacing-lg);
}

.estimate-display.visible {
  display: block;
}

.estimate-label {
  font-size: 0.875rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.estimate-value {
  font-size: 2.5rem;
  font-weight: 700;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.estimate-currency {
  font-size: 1.5rem;
  font-weight: 600;
}

.estimate-suffix {
  font-size: 1.25rem;
  font-weight: 500;
}

.estimate-note {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: var(--spacing-sm);
}

/* Tablet+ Radio Cards */
@media (min-width: 640px) {
  .project-type-group {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .form-step {
    padding: var(--spacing-lg);
  }

  .project-type-group {
    grid-template-columns: repeat(5, 1fr);
  }

  .radio-card-content {
    padding: 24px 12px;
  }

  .radio-card-content svg {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    max-width: 40px;
    max-height: 40px;
  }
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--color-text);
  color: white;
  padding: var(--spacing-md) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-social a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.footer-social a:hover {
  color: white;
}

.footer-social svg {
  width: 28px;
  height: 28px;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.lang-toggle-footer {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.lang-toggle-footer:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

/* ========================================
   Tablet Breakpoint (640px+)
   ======================================== */
@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-md);
  }

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

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

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

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

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

  .portfolio-image {
    height: 140px;
  }

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

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

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ========================================
   Desktop Breakpoint (1024px+)
   ======================================== */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .header-content {
    height: 72px;
  }

  .nav {
    display: flex;
    position: static;
    background: none;
    padding: 0;
    flex-direction: row;
    gap: var(--spacing-xs);
    box-shadow: none;
  }

  .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .menu-toggle {
    display: none;
  }

  .hero {
    padding: calc(72px + var(--spacing-2xl)) 0 var(--spacing-2xl);
  }

  .hero-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .hero-text {
    text-align: left;
    flex: 1;
    max-width: 550px;
  }

  .hero-headline {
    font-size: 3rem;
  }

  .hero-subheadline {
    margin-left: 0;
    font-size: 1.25rem;
  }

  .hero-image {
    flex: 1;
    justify-content: flex-end;
  }

  .hero-image img {
    max-width: 500px;
  }

  .services {
    padding: var(--spacing-2xl) 0;
  }

  .services-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .why-us {
    padding: var(--spacing-2xl) 0;
  }

  .ai-section {
    padding: var(--spacing-2xl) 0;
  }

  .ai-content {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-2xl);
  }

  .ai-image {
    flex: 1;
  }

  .ai-image img {
    max-width: 400px;
  }

  .ai-text {
    flex: 1;
    text-align: left;
  }

  .ai-text .section-title {
    text-align: left;
  }

  .ai-desc {
    margin-left: 0;
  }

  .portfolio {
    padding: var(--spacing-2xl) 0;
  }

  .portfolio-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .portfolio-image {
    height: 160px;
  }

  .process {
    padding: var(--spacing-2xl) 0;
  }

  .process-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .faq {
    padding: var(--spacing-2xl) 0;
  }

  .about {
    padding: var(--spacing-2xl) 0;
  }

  .contact {
    padding: var(--spacing-2xl) 0;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Intersection Observer animation class */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
   Blog Page Styles
   ======================================== */
.blog-header {
  padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-lg);
  background: var(--color-background-alt);
  text-align: center;
}

.blog-subtitle {
  color: var(--color-text-light);
  font-size: 1.125rem;
  margin-top: var(--spacing-sm);
}

.blog-section {
  padding: var(--spacing-xl) 0;
}

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

.blog-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.blog-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

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

.blog-card-date {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.blog-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--spacing-xs) 0;
  color: var(--color-text);
  line-height: 1.4;
}

.blog-card-excerpt {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.blog-card-read-more {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   Blog Post Page Styles
   ======================================== */
.blog-post {
  padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-xl);
}

.blog-post-hero {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.blog-post-hero img {
  width: 100%;
  height: auto;
  display: block;
}

.blog-post-header {
  margin-bottom: var(--spacing-xl);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.blog-post-date {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.blog-post-title {
  font-size: 2rem;
  font-weight: 700;
  margin: var(--spacing-sm) 0;
  line-height: 1.3;
}

.blog-post-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.blog-post-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.blog-post-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: var(--spacing-xl) 0 var(--spacing-md);
  color: var(--color-text);
}

.blog-post-content p {
  margin-bottom: var(--spacing-md);
}

.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.blog-post-content li {
  margin-bottom: var(--spacing-xs);
}

.blog-post-image {
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.blog-post-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Prompt Formula */
.prompt-formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: var(--color-background-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
}

.formula-item {
  text-align: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.formula-label {
  display: block;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1rem;
}

.formula-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.formula-plus {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Example Box */
.example-box {
  background: #e0f2fe;
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-md);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--spacing-lg) 0;
}

.example-box .example-label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary-dark);
}

.example-box .example-text {
  margin: 0;
  font-style: italic;
}

/* Warning Box */
.warning-box {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: var(--spacing-md);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--spacing-lg) 0;
}

.warning-box ul {
  margin: var(--spacing-sm) 0 0 var(--spacing-md);
  padding: 0;
}

.warning-box li {
  margin-bottom: var(--spacing-xs);
}

/* Prompt Cards */
.prompt-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.prompt-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-primary);
  color: white;
}

.prompt-card-icon {
  font-size: 1.5rem;
}

.prompt-card-header h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.prompt-card-body {
  padding: var(--spacing-md);
}

.prompt-template,
.prompt-example {
  margin-bottom: var(--spacing-md);
}

.prompt-template:last-child,
.prompt-example:last-child {
  margin-bottom: 0;
}

.template-label,
.prompt-example .example-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.prompt-card code {
  display: block;
  background: var(--color-background-alt);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Tips List */
.tips-list {
  list-style: none;
  padding: 0;
}

.tips-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.tips-list li:last-child {
  border-bottom: none;
}

.tips-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* CTA Box */
.cta-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.cta-box p {
  margin: 0;
  font-size: 1.0625rem;
}

/* Blog Post Footer */
.blog-post-footer {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.back-to-blog {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.back-to-blog:hover {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .blog-post-title {
    font-size: 2.5rem;
  }

  .prompt-formula {
    flex-wrap: nowrap;
  }
}