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

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #10b981;
  --color-accent: #f59e0b;
  --color-text: #1f2937;
  --color-text-light: #4b5563;
  --color-bg: #ffffff;
  --color-bg-alt: #f3f4f6;
  --color-border: #e5e7eb;
  --radius: 12px;
  --shadow: 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);
  --transition: all 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

button {
  cursor: pointer;
  font-family: inherit;
}

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

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.logo svg {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
}

.nav-desktop {
  display: flex;
  gap: 2rem;
}

.nav-desktop a {
  font-weight: 500;
  color: var(--color-text);
  transition: var(--transition);
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 99;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav a {
  display: block;
  padding: 0.75rem 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  color: var(--color-primary);
}

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

.feature-card p {
  color: var(--color-text-light);
  line-height: 1.7;
}

/* How It Works */
.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* CTA Buttons */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: white;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-decoration: none;
}

.cta-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-btn:active {
  transform: translateY(0);
}

.cta-floating {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

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

.testimonial-text {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-primary);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.blog-card-img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-img svg {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.blog-card p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.blog-card a {
  color: var(--color-primary);
  font-weight: 600;
}

/* FAQ Accordion */
.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--color-bg);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}

.accordion-header:hover {
  background: var(--color-bg-alt);
}

.accordion-header svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.accordion-header.active svg {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 1.5rem;
}

.accordion-content.open {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Footer */
footer {
  background: var(--color-text);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  color: white;
}

.footer-col a {
  display: block;
  color: #d1d5db;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  font-size: 0.875rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }

/* Blog Article Styles */
.blog-article-container {
  max-width: 800px;
  margin: 0 auto;
}

.blog-article-container .back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: none;
}

.blog-article-container .back-link:hover {
  text-decoration: underline;
}

.blog-content {
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.blog-section-heading {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.blog-list {
  list-style: disc;
  list-style-position: inside;
  line-height: 1.8;
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

.blog-list li {
  margin-bottom: 0.5rem;
}

.blog-divider {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

/* Contact Form Container */
.contact-form-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

/* Footer Text */
.footer-text {
  color: #e5e7eb;
  line-height: 1.7;
}

/* Content Container */
.content-container-narrow {
  max-width: 800px;
  margin: 0 auto;
}

.content-container-wide {
  max-width: 900px;
  margin: 0 auto;
}

/* List Styled */
.list-styled {
  list-style-position: inside;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.list-styled li {
  margin-bottom: 0.5rem;
}

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

.text-small {
  font-size: 0.875rem;
}

.link-primary {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 600;
}

/* Card spacing utility */
.feature-card-spaced {
  margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

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

  .cta-floating {
    bottom: 1rem;
    right: 1rem;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .container {
    padding: 0 1rem;
  }

  section {
    padding: 3rem 0;
  }
}