/* ==========================================
   LINED NOTEBOOK DESIGN - Modern Tech Startup
   Industry: Technology / Software Development
   Style: Notebook paper with ruled lines
   ========================================== */

:root {
  --primary-color: #212121;
  --accent-blue: #03a9f4;
  --accent-cyan: #00bcd4;
  --accent-red: #ff9800;
  --bg-color: #f7f7f7;
  --text-color: #2f2f2f;
  --line-color: rgba(0, 150, 255, 0.15);
  --margin-line-color: #ff9800;
  --line-height: 30px;
  --binding-width: 79px;
}

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

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif, cursive;
  font-size: 1.1rem;
  font-weight: 400;
  line-height: var(--line-height);
  color: var(--text-color);
  background: var(--bg-color);
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: repeating-linear-gradient(
    transparent,
    transparent calc(var(--line-height) - 1px),
    var(--line-color) calc(var(--line-height) - 1px),
    var(--line-color) var(--line-height)
  );
  pointer-events: none;
  z-index: 1;
}

body::after {
  content: '';
  position: fixed;
  top: 0;
  left: var(--binding-width);
  width: 2px;
  height: 100%;
  background: var(--margin-line-color);
  pointer-events: none;
  z-index: 2;
}

main {
  position: relative;
  z-index: 3;
  max-width: 800px;
  margin: 0 auto;
  padding-left: var(--binding-width);
  padding-right: 17px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif, cursive;
  font-weight: 700;
  color: var(--primary-color);
  line-height: var(--line-height);
}

h1 {
  font-size: 1.5rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.5rem;
}

a {
  color: var(--accent-blue);
  text-decoration: underline;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-cyan);
}

.container {
  max-width: 100%;
  padding: 0;
}

section {
  padding: calc(var(--line-height) * 3) 0;
  position: relative;
}

.logo-img {
  max-height: 42px;
  width: auto;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
  background: var(--bg-color);
  border-bottom: 2px solid var(--line-color);
  padding: 1rem 2rem;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--accent-blue);
}

.site-name {
  color: var(--primary-color);
}

.nav-link {
  color: var(--text-color);
  font-weight: 400;
  padding: 0.5rem 1rem;
  text-decoration: none;
}

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

.dropdown-menu {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.dropdown-item {
  color: var(--text-color);
  padding: 0.5rem 1rem;
}

.dropdown-item:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
}

.btn-cta {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}

.btn-cta:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: white;
  transform: translateY(-2px);
}

.navbar-toggler {
  border: 2px solid var(--primary-color);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero-section {
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-top: calc(var(--line-height) * 2);
  padding: calc(var(--line-height) * 3) 0;
  background: var(--bg-color);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  z-index: -2;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: 1.1rem;
  margin-bottom: calc(var(--line-height) * 2);
  color: var(--text-color);
}

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

.btn-hero-primary {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}

.btn-hero-primary:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}

.btn-hero-secondary {
  background: transparent;
  color: var(--accent-blue);
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
  background: var(--accent-blue);
  color: white;
  transform: translateY(-2px);
}

.hero-features {
  margin-top: calc(var(--line-height) * 2);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-feature-item .feature-icon {
  font-size: 1.3rem;
  color: var(--accent-blue);
}

/* ==========================================
   SECTIONS
   ========================================== */

.section-header {
  margin-bottom: calc(var(--line-height) * 2);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-color);
}

/* ==========================================
   FEATURES SECTION
   ========================================== */

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

.feature-item {
  padding: calc(var(--line-height) * 1.5);
  text-align: center;
}

.feature-icon-wrapper {
  width: 79px;
  height: 83px;
  margin: 0 auto var(--line-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 50%;
  position: relative;
}

.feature-icon-wrapper::before {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border: 2px dashed var(--accent-blue);
  border-radius: 50%;
  pointer-events: none;
}

.feature-icon {
  font-size: 2rem;
  color: white;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.feature-text {
  font-size: 1.1rem;
  color: var(--text-color);
}

/* ==========================================
   SERVICES SECTION
   ========================================== */

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

.service-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 19px rgba(59, 130, 246, 0.2);
  border-color: var(--accent-blue);
}

.service-image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.service-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, 0.3));
  pointer-events: none;
}

.service-content {
  padding: calc(var(--line-height) * 1.5);
  text-align: center;
}

.service-icon {
  width: 60px;
  height: 59px;
  margin: calc(var(--line-height) * -2) auto var(--line-height);
  background: var(--accent-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  border: 3px solid var(--bg-color);
  position: relative;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.service-text {
  font-size: 1.1rem;
  margin-bottom: var(--line-height);
  color: var(--text-color);
}

.btn-service {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.5rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-service:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==========================================
   PRICING SECTION
   ========================================== */

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

.pricing-card {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  padding: calc(var(--line-height) * 2);
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 17px rgba(59, 130, 246, 0.2);
  border-color: var(--accent-blue);
}

.pricing-featured {
  border-color: var(--accent-blue);
  border-width: 3px;
  box-shadow: 0 8px 17px rgba(59, 130, 246, 0.2);
}

.pricing-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-blue);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 22px;
  font-size: 0.9rem;
  font-weight: 700;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.pricing-price {
  margin-bottom: var(--line-height);
}

.pricing-price .currency {
  font-size: 1.3rem;
  color: var(--text-color);
  vertical-align: top;
}

.pricing-price .amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.pricing-price .period {
  font-size: 1.1rem;
  color: var(--text-color);
}

.pricing-price .amount-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-blue);
}

.pricing-description {
  font-size: 1.1rem;
  margin-bottom: calc(var(--line-height) * 1.5);
  color: var(--text-color);
}

.pricing-features {
  list-style: none;
  margin-bottom: calc(var(--line-height) * 2);
  text-align: left;
}

.pricing-features li {
  padding: 0.5rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  line-height: var(--line-height);
}

.pricing-features i {
  color: var(--accent-blue);
  margin-top: 0.3rem;
  flex-shrink: 0;
}

.btn-pricing {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  display: inline-block;
  width: 100%;
}

.btn-pricing:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-pricing-featured {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  display: inline-block;
  width: 100%;
}

.btn-pricing-featured:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */

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

.testimonial-card {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  padding: calc(var(--line-height) * 1.5);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 13px rgba(59, 130, 246, 0.2);
  border-color: var(--accent-blue);
}

.testimonial-rating {
  margin-bottom: var(--line-height);
  color: #fbbf24;
}

.testimonial-quote {
  font-size: 1.1rem;
  margin-bottom: calc(var(--line-height) * 1.5);
  color: var(--text-color);
  font-style: italic;
}

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

.testimonial-image {
  width: 50px;
  height: 49px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-blue);
}

.testimonial-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--primary-color);
}

.testimonial-role {
  font-size: 1.1rem;
  margin: 0;
  color: var(--text-color);
}

/* ==========================================
   TEAM SECTION
   ========================================== */

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

.team-card {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 19px rgba(59, 130, 246, 0.2);
  border-color: var(--accent-blue);
}

.team-image {
  width: 100%;
  height: 250px;
  background-size: cover;
  background-position: center;
}

.team-content {
  padding: calc(var(--line-height) * 1.5);
  text-align: center;
}

.team-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.team-role {
  font-size: 1.1rem;
  margin-bottom: var(--line-height);
  color: var(--accent-blue);
}

.team-bio {
  font-size: 1.1rem;
  margin-bottom: var(--line-height);
  color: var(--text-color);
}

.team-social {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.team-social a {
  width: 33px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s ease;
}

.team-social a:hover {
  background: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==========================================
   STATS SECTION
   ========================================== */

.stats-section {
  background: var(--bg-color);
  padding: calc(var(--line-height) * 3) 0;
}

.stat-item {
  padding: calc(var(--line-height) * 1.5);
}

.stat-icon {
  width: 70px;
  height: 71px;
  margin: 0 auto var(--line-height);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--accent-blue);
}

.stat-label {
  font-size: 1.1rem;
  color: var(--text-color);
}

/* ==========================================
   INTEGRATIONS SECTION
   ========================================== */

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

.integration-logo {
  text-align: center;
  padding: calc(var(--line-height) * 1.5);
  transition: all 0.3s ease;
}

.integration-logo:hover {
  transform: scale(1.1);
}

.integration-logo i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  display: block;
}

.integration-logo span {
  font-size: 1.1rem;
  color: var(--text-color);
  display: block;
}

.btn-integrations {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-integrations:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==========================================
   FAQ SECTION
   ========================================== */

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

.accordion-item {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  margin-bottom: calc(var(--line-height) * 0.5);
}

.accordion-button {
  background: var(--bg-color);
  color: var(--primary-color);
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif, cursive;
  font-size: 1.1rem;
  font-weight: 700;
  border: none;
  padding: calc(var(--line-height) * 0.75);
}

.accordion-button:not(.collapsed) {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-blue);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
}

.accordion-button::after {
  filter: brightness(0) saturate(100%) invert(23%) sepia(69%) saturate(3074%) hue-rotate(210deg);
}

.accordion-body {
  font-size: 1.1rem;
  color: var(--text-color);
  padding: calc(var(--line-height) * 0.75);
  line-height: var(--line-height);
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
  padding: calc(var(--line-height) * 3) 0;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-top: 3px solid var(--accent-blue);
  border-bottom: 3px solid var(--accent-blue);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.cta-subtitle {
  font-size: 1.1rem;
  margin-bottom: calc(var(--line-height) * 2);
  color: var(--text-color);
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-cta-primary {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}

.btn-cta-primary:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-cta-secondary {
  background: transparent;
  color: var(--accent-blue);
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
}

.btn-cta-secondary:hover {
  background: var(--accent-blue);
  color: white;
  transform: translateY(-2px);
}

.cta-note {
  font-size: 1.1rem;
  color: var(--text-color);
  font-style: italic;
}

/* ==========================================
   CONTACT FORM
   ========================================== */

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

.contact-info {
  padding: calc(var(--line-height) * 1.5);
}

.contact-item {
  margin-bottom: calc(var(--line-height) * 1.5);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 48px;
  height: 49px;
  background: var(--accent-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-details h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.contact-details p {
  font-size: 1.1rem;
  margin: 0;
  color: var(--text-color);
}

.contact-form {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  padding: calc(var(--line-height) * 2);
}

.form-label {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.form-control {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif, cursive;
  font-size: 1.1rem;
  border: 2px solid var(--line-color);
  border-radius: 6px;
  padding: 0.75rem;
  background: var(--bg-color);
  color: var(--text-color);
  transition: all 0.3s ease;
}

.form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
  outline: none;
}

.btn-submit {
  background: var(--accent-blue);
  color: white;
  border: 2px solid var(--accent-blue);
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif, cursive;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.btn-submit:hover {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* ==========================================
   BLOG SECTION
   ========================================== */

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

.blog-card {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 19px rgba(59, 130, 246, 0.2);
  border-color: var(--accent-blue);
}

.blog-image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
}

.blog-content {
  padding: calc(var(--line-height) * 1.5);
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--line-height);
  font-size: 1rem;
  color: var(--text-color);
}

.blog-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.blog-title a {
  color: var(--primary-color);
  text-decoration: none;
}

.blog-title a:hover {
  color: var(--accent-blue);
}

.blog-excerpt {
  font-size: 1.1rem;
  margin-bottom: var(--line-height);
  color: var(--text-color);
}

.btn-read-more {
  color: var(--accent-blue);
  text-decoration: underline;
  font-weight: 700;
  transition: color 0.3s ease;
}

.btn-read-more:hover {
  color: var(--accent-cyan);
}

.article-header {
  padding: calc(var(--line-height) * 3) 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
  text-align: center;
  margin-bottom: calc(var(--line-height) * 2);
}

.article-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
}

.article-content {
  font-size: 1.1rem;
  line-height: var(--line-height);
  color: var(--text-color);
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: calc(var(--line-height) * 2);
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.article-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: calc(var(--line-height) * 1.5);
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.article-content p {
  margin-bottom: calc(var(--line-height) * 1.5);
}

.article-content img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin: calc(var(--line-height) * 2) 0;
}

.article-content ul,
.article-content ol {
  margin-bottom: calc(var(--line-height) * 1.5);
  padding-left: 2rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

/* ==========================================
   CASE STUDIES
   ========================================== */

.case-study-card {
  background: var(--bg-color);
  border: 2px solid var(--line-color);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  margin-bottom: calc(var(--line-height) * 2);
}

.case-study-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 17px rgba(59, 130, 246, 0.2);
  border-color: var(--accent-blue);
}

.case-study-image {
  width: 100%;
  height: 300px;
  background-size: cover;
  background-position: center;
}

.case-study-content {
  padding: calc(var(--line-height) * 2);
}

.case-study-badge {
  display: inline-block;
  background: var(--accent-blue);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 18px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
}

.case-study-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: var(--primary-color);
}

.case-study-description {
  font-size: 1.1rem;
  margin-bottom: calc(var(--line-height) * 1.5);
  color: var(--text-color);
}

.case-study-results {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.result-item {
  text-align: center;
}

.result-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-blue);
  display: block;
}

.result-label {
  font-size: 1.1rem;
  color: var(--text-color);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background: var(--primary-color);
  color: white;
  padding: calc(var(--line-height) * 3) 0 calc(var(--line-height) * 2);
  position: relative;
  margin-top: calc(var(--line-height) * 3);
}

.footer::before {
  display: none;
}

.footer-brand {
  color: white;
  text-decoration: none;
}

.footer-brand .site-name {
  color: white;
}

.footer-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height);
}

.footer-heading {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--line-height);
  color: white;
}

.footer-links {
  list-style: none;
  padding: 0;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-contact {
  list-style: none;
  padding: 0;
}

.footer-contact li {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact a:hover {
  color: var(--accent-cyan);
}

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

.social-link {
  width: 38px;
  height: 43px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--accent-blue);
  transform: translateY(-2px);
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin: calc(var(--line-height) * 2) 0 var(--line-height);
}

.footer-copyright {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-legal {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 1.1rem;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--accent-cyan);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 768px) {
  :root {
    --binding-width: 41px;
  }

  main {
    padding-left: var(--binding-width);
    padding-right: 13px;
  }

  .navbar {
    padding: 1rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .service-card {
    margin-bottom: calc(var(--line-height) * 1.5);
  }

  .team-card {
    margin-bottom: calc(var(--line-height) * 1.5);
  }

  .pricing-card {
    margin-bottom: calc(var(--line-height) * 1.5);
  }

  .footer-legal {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 576px) {
  :root {
    --binding-width: 30px;
    --line-height: 28px;
  }

  body {
    font-size: 1rem;
  }

  h1, h2, h3, h4, h5 {
    font-size: 1.3rem;
  }

  .hero-title {
    font-size: 1.3rem;
  }

  .stat-number {
    font-size: 1.3rem;
  }
}

/* ==========================================
   PRINT STYLES
   ========================================== */

@media print {
  body::before,
  body::after {
    display: none;
  }

  .navbar,
  .footer,
  .cta-section {
    display: none;
  }

  main {
    padding: 0;
    max-width: 100%;
  }
}