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

:root {
  /* Color Palette - Light Theme */
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --secondary: #14B8A6;
  --secondary-hover: #0F766E;
  --accent: #F59E0B;
  --accent-hover: #D97706;
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --success: #10B981;
  --danger: #EF4444;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Dark Theme Variables */
body.dark-theme {
  --bg-main: #0F172A;
  --bg-card: #1E293B;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --border-color: #334155;
  --primary-light: #1E293B;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

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

/* Typography Utilities */
.h1, .h2, .h3, .h4 {
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
}
.h1 { font-size: 2.5rem; }
.h2 { font-size: 2rem; }
.h3 { font-size: 1.5rem; }
.h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
  .h1 { font-size: 2rem; }
  .h2 { font-size: 1.6rem; }
  .h3 { font-size: 1.3rem; }
}

/* Layout Elements */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
}

.logo-accent {
  color: var(--secondary);
}

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

.nav-link {
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--secondary);
  color: #FFFFFF;
}
.btn-secondary:hover {
  background-color: var(--secondary-hover);
}

.btn-accent {
  background-color: var(--accent);
  color: #FFFFFF;
}
.btn-accent:hover {
  background-color: var(--accent-hover);
}

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

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-full);
}

/* Dark Mode Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.theme-toggle:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

/* Mobile Nav Styles */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-main);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* Mobile Navigation Drawer */
.mobile-nav {
  position: fixed;
  top: 4.5rem;
  left: 0;
  width: 100%;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  display: none;
  flex-direction: column;
  gap: 1rem;
  z-index: 99;
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav .nav-link {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

/* Ad Placement Slots */
.ad-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
  padding: 0.5rem;
  background-color: var(--primary-light);
  border: 1px dashed var(--primary);
  border-radius: var(--radius-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ad-slot::before {
  content: 'ADVERTISEMENT';
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.ad-slot-728x90 {
  min-height: 90px;
  max-width: 728px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.ad-slot-300x250 {
  min-height: 250px;
  width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.ad-slot-responsive {
  min-height: 100px;
  width: 100%;
}

.ad-placeholder-content {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Hero Section */
.hero-sec {
  padding: 5rem 0;
  background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, rgba(20, 184, 166, 0.02) 90%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero-subtitle {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 768px) {
  .hero-ctas {
    justify-content: center;
  }
}

.trust-badges {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .trust-badges {
    justify-content: center;
  }
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.badge-item i {
  color: var(--success);
}

/* Steps (How it Works) */
.steps-sec {
  padding: 5rem 0;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.sec-title-area {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3.5rem auto;
}

.sec-title {
  font-size: 2rem;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.sec-desc {
  color: var(--text-muted);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  position: relative;
}

.step-number {
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.step-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* Features Grid */
.features-sec {
  padding: 5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background-color: var(--bg-card);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.feature-icon-wrapper {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

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

/* Use Cases Section */
.usecases-sec {
  padding: 5rem 0;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tab-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn.active, .tab-btn:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
}

.tab-content-wrapper {
  position: relative;
}

.tab-panel {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.tab-panel.active {
  display: grid;
}

@media (max-width: 768px) {
  .tab-panel {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.tab-panel-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.tab-panel-info ul {
  list-style: none;
  margin-top: 1rem;
}

.tab-panel-info li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

.tab-panel-info li i {
  color: var(--secondary);
}

.tab-panel-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

/* Testimonials */
.testimonials-sec {
  padding: 5rem 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

.testimonial-card {
  background-color: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.stars {
  color: var(--accent);
  margin-bottom: 1rem;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  font-size: 0.95rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background-color: var(--border-color);
  overflow: hidden;
}

.author-avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
}

.author-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.author-title {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* FAQ Section */
.faq-sec {
  padding: 5rem 0;
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-main);
  overflow: hidden;
}

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

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out, padding var(--transition-normal);
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.25rem;
  max-height: 500px; /* arbitrary height to slide down */
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-normal);
}

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

/* Call To Action Banner */
.cta-sec {
  padding: 6rem 0;
  background-color: var(--primary);
  color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-sec::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.4) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-desc {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Footer styles */
footer {
  background-color: #0F172A;
  color: #94A3B8;
  padding: 4rem 0 2rem 0;
  border-top: 1px solid #1E293B;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-brand .logo {
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  background-color: #1E293B;
  color: #F8FAFC;
  transition: all var(--transition-fast);
}

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

.footer-title {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-links a {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-newsletter p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex-grow: 1;
  background-color: #1E293B;
  border: 1px solid #334155;
  border-radius: var(--radius-md);
  padding: 0.625rem 0.875rem;
  color: #FFFFFF;
  font-size: 0.9rem;
}
.newsletter-input:focus {
  outline: 2px solid var(--primary);
}

.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: #FFFFFF;
}

/* Inner Pages / Layout Templates */
.inner-page-hero {
  padding: 3rem 0;
  background-color: var(--primary-light);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 3rem;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

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

.inner-page-title {
  margin-bottom: 0.5rem;
}

.inner-page-content {
  padding-bottom: 5rem;
}

.rich-text {
  max-width: 800px;
  margin: 0 auto;
}

.rich-text h2 {
  font-size: 1.75rem;
  margin: 2rem 0 1rem 0;
}

.rich-text h3 {
  font-size: 1.35rem;
  margin: 1.5rem 0 1rem 0;
}

.rich-text p {
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

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

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

.rich-text blockquote {
  border-left: 4px solid var(--primary);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-muted);
  background-color: var(--primary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.rich-text table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.rich-text th, .rich-text td {
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  text-align: left;
}

.rich-text th {
  background-color: var(--primary-light);
  font-weight: 600;
}

/* Blog Index Layout */
.blog-layout {
  display: grid;
  grid-template-columns: 2.5fr 1fr;
  gap: 3rem;
}

@media (max-width: 992px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }
}

.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

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

.blog-card-img {
  height: 200px;
  background-color: var(--primary-light);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.blog-card-meta {
  padding: 1.25rem 1.25rem 0.5rem 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
}

.blog-card-title {
  padding: 0 1.25rem 0.75rem 1.25rem;
  font-size: 1.15rem;
  line-height: 1.3;
}

.blog-card-excerpt {
  padding: 0 1.25rem 1.25rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.blog-card-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
}

.blog-author-img {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
}

.read-more-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Sidebar Styles */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-widget {
  background-color: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-light);
}

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

.sidebar-links a {
  font-size: 0.9rem;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

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

/* Contact form styles */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.contact-info-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  height: fit-content;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-info-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-info-text h4 {
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-info-text p, .contact-info-text a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-main);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.error-message {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

/* Tool Interface Layout / Workspace */
.tool-section {
  padding: 3rem 0;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* Upload Container */
.upload-zone {
  border: 3px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  background-color: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition-normal);
}

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

.upload-icon {
  font-size: 3.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.upload-zone h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.upload-zone p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

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

/* Editor Workspace */
.editor-container {
  display: none; /* hidden until PDF loaded */
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.editor-toolbar {
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

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

.tool-btn.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
}

/* Canvas Area */
.editor-workspace {
  padding: 2rem;
  display: flex;
  justify-content: center;
  background-color: #F1F5F9;
  min-height: 500px;
  max-height: 75vh;
  overflow-y: auto;
  position: relative;
}

body.dark-theme .editor-workspace {
  background-color: #0B0F19;
}

.pdf-viewport-wrapper {
  position: relative;
  box-shadow: var(--shadow-xl);
  background-color: #FFFFFF;
  width: fit-content;
  height: fit-content;
}

.pdf-canvas {
  display: block;
  z-index: 1;
}

.overlay-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  pointer-events: none;
}

/* Placed fields (signatures, text, date) */
.placed-element {
  position: absolute;
  pointer-events: auto;
  cursor: move;
  border: 1px dashed var(--primary);
  padding: 4px;
  background-color: rgba(37, 99, 235, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  min-width: 50px;
  min-height: 24px;
  box-sizing: border-box;
}

.placed-element.selected {
  border-style: solid;
  border-width: 1.5px;
  background-color: rgba(37, 99, 235, 0.12);
}

.placed-element img {
  pointer-events: none;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.placed-element-text {
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  white-space: nowrap;
  background: transparent;
  border: none;
  outline: none;
  width: 100%;
  color: #000000;
}

.element-delete-btn {
  position: absolute;
  top: -10px;
  right: -10px;
  background-color: var(--danger);
  color: #FFFFFF;
  border: none;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  z-index: 20;
}

.placed-element.selected .element-delete-btn {
  display: flex;
}

.element-resize-handle {
  position: absolute;
  bottom: -4px;
  right: -4px;
  background-color: var(--primary);
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  display: none;
  cursor: se-resize;
  z-index: 20;
}

.placed-element.selected .element-resize-handle {
  display: block;
}

/* Signature Drawing and Creation Dialog Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.6);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal.open {
  display: flex;
}

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 550px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-muted);
}
.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background-color: var(--bg-main);
}

/* Tabs inside Modal */
.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
}

.modal-tab-btn {
  flex-grow: 1;
  background: none;
  border: none;
  padding: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.modal-tab-btn.active {
  color: var(--primary);
  border-color: var(--primary);
}

.modal-tab-panel {
  display: none;
}
.modal-tab-panel.active {
  display: block;
}

/* Signature Drawing Pad Canvas */
.draw-canvas-wrapper {
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  height: 200px;
}

.draw-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
  background-color: #FFFFFF;
}

/* Type Signature font selector and preview */
.type-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.type-previews {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.type-preview-option {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg-main);
  font-size: 1.5rem;
  transition: all var(--transition-fast);
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.type-preview-option.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
  color: var(--primary);
}

/* Font styles */
.font-sig-1 { font-family: 'Great Vibes', 'Brush Script MT', cursive; }
.font-sig-2 { font-family: 'Alex Brush', cursive; }
.font-sig-3 { font-family: 'Allura', cursive; }
.font-sig-4 { font-family: 'Herr Von Muellerhoff', cursive; }

/* Signature color picker wrapper */
.ink-color-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.ink-color-dot {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition-fast);
}

.ink-color-dot.active {
  border-color: var(--text-main);
  transform: scale(1.15);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background-color: var(--bg-card);
  color: var(--text-main);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 250px;
  transform: translateY(100px);
  opacity: 0;
  animation: slideIn 0.3s forwards;
}

.toast.toast-success { border-left-color: var(--success); }
.toast.toast-danger { border-left-color: var(--danger); }
.toast.toast-warning { border-left-color: var(--accent); }

@keyframes slideIn {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Loading overlay */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 30;
}

body.dark-theme .loading-overlay {
  background-color: rgba(15, 23, 42, 0.7);
}

.spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: var(--radius-full);
  animation: spin 1s infinite linear;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 404 Custom Layout */
.notfound-layout {
  padding: 6rem 0;
  text-align: center;
}

.notfound-code {
  font-size: 6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 1.5rem;
}

/* Font face declarations for Google cursive signature fonts */
@import url('https://fonts.googleapis.com/css2?family=Alex+Brush&family=Allura&family=Great+Vibes&family=Herr+Von+Muellerhoff&display=swap');