:root {
  --color-primary: #00a79d;
  --color-primary-dark: #00857b;
  --color-secondary: #e0f2f1;
  --color-dark: #1a252f;
  --color-text: #334155;
  --color-light: #f8fafc;
  --color-gray: #94a3b8;
  --color-border: #e2e8f0;
  --color-white: #ffffff;
  --color-success: #10b981;
  --color-error: #ef4444;

  --font-primary: "Poppins", sans-serif;
  --font-secondary: "Roboto", sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.05),
    0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-hard: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 8px 10px -6px rgba(0, 0, 0, 0.1);

  --border-radius: 12px;
  --transition-fast: 0.2s ease-in-out;
  --transition-slow: 0.4s ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-secondary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-light);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-primary);
  color: var(--color-dark);
  line-height: 1.2;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}
h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}
h4 {
  font-size: 1.1rem;
}

p {
  margin-bottom: var(--spacing-sm);
  max-width: 75ch;
}

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

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

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

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

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-xl {
  padding: 1.2rem 3rem;
  font-size: 1.2rem;
}

.btn-block {
  display: block;
  width: 100%;
}

.main-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  background-color: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  font-family: var(--font-primary);
}
.logo strong {
  font-weight: 400;
  color: var(--color-primary);
}
.logo:hover {
  color: var(--color-dark);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

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

.hamburger-menu {
  display: none;
  font-size: 1.5rem;
  color: var(--color-dark);
  background: none;
  border: none;
  cursor: pointer;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}
.section-title {
  margin-bottom: var(--spacing-sm);
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-gray);
  max-width: 60ch;
  margin: 0 auto;
}

section {
  padding-top: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.hero-section {
  padding-top: var(--spacing-lg);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  gap: var(--spacing-lg);
}

.hero-title {
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.hero-cta-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

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

.hero-image {
  max-width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hard);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.step-card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
}
.step-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-medium);
}

.step-icon-wrapper {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-primary);
}

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

.integrations-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.integration-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  padding-top: 5px;
}

.feature-title {
  margin-bottom: var(--spacing-xs);
}

.calculator-section {
  background: linear-gradient(135deg, var(--color-dark) 0%, #334155 100%);
  color: var(--color-light);
}
.calculator-section .section-title,
.calculator-section .section-subtitle {
  color: var(--color-white);
}

.calculator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.calculator-form-container {
  padding: var(--spacing-lg);
}

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

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

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-secondary);
}

.calculator-results-container {
  background-color: var(--color-secondary);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.results-display {
  color: var(--color-dark);
}
.results-placeholder {
  font-size: 1.2rem;
  color: var(--color-gray);
  text-align: center;
}

.results-content .results-title {
  margin-bottom: var(--spacing-md);
}
.result-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid #cce8e6;
}
.result-item:last-child {
  border-bottom: none;
}
.result-label {
  font-weight: 500;
}
.result-value {
  font-weight: 700;
  font-family: var(--font-primary);
  font-size: 1.2rem;
  color: var(--color-primary-dark);
}
.total-saving .result-value {
  font-size: 1.8rem;
  color: var(--color-success);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}
.case-study-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.case-study-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}
.case-study-content {
  padding: var(--spacing-md);
}
.case-study-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}
.case-study-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  border-radius: 50%;
  background-color: var(--color-light);
  padding: 5px;
}
.case-study-company {
  margin: 0;
}
.case-study-industry {
  color: var(--color-gray);
  font-size: 0.9rem;
  margin: 0;
}
.case-study-subtitle {
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.case-study-results-list {
  padding-left: 0;
}
.case-study-results-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}
.case-study-results-list i {
  color: var(--color-success);
}

.about-us-section {
  background-color: var(--color-white);
}
.mission-vision-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}
.mission-card,
.vision-card {
  padding: var(--spacing-md);
}
.mission-card {
  border-right: 2px solid var(--color-primary);
}

.team-block .section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}
.team-member-card {
  text-align: center;
}
.team-member-icon {
  font-size: 4rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}
.team-member-name {
  margin-bottom: var(--spacing-xs);
}
.team-member-role {
  color: var(--color-gray);
}

.testimonials-section {
  position: relative;
  overflow: hidden;
}

.testimonials-section::before {
  content: "\f10d";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  top: -50px;
  left: -50px;
  font-size: 20rem;
  color: var(--color-secondary);
  opacity: 0.5;
  z-index: -1;
  transform: rotate(-15deg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.testimonial-card {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-top: 4px solid var(--color-primary);
  box-shadow: var(--shadow-medium);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.testimonial-quote {
  font-style: italic;
  margin-bottom: var(--spacing-sm);
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-style: normal;
}
.author-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
}
.author-name {
  font-weight: 600;
  display: block;
  color: var(--color-dark);
}
.author-company {
  font-size: 0.9rem;
  color: var(--color-gray);
}

.cta-section {
  background: linear-gradient(
    45deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  text-align: center;
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) auto;
}
.cta-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.cta-title,
.cta-subtitle {
  color: var(--color-white);
}
.cta-subtitle {
  margin-bottom: var(--spacing-md);
}
.cta-section .btn {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
}

.main-footer {
  background-color: var(--color-dark);
  color: var(--color-gray);
  padding-top: var(--spacing-lg);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.footer-logo {
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.footer-tagline {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  color: var(--color-gray);
  font-size: 1.2rem;
}
.social-link:hover {
  color: var(--color-primary);
}

.footer-heading {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.footer-list li {
  margin-bottom: var(--spacing-xs);
}
.footer-list a {
  color: var(--color-gray);
}
.footer-list a:hover {
  color: var(--color-white);
  padding-left: 5px;
}

.footer-bottom {
  padding: var(--spacing-sm) 0;
  border-top: 1px solid #334155;
  text-align: center;
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: var(--spacing-sm);
  z-index: 2000;
}
.cookie-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}
.cookie-content p {
  margin: 0;
  font-size: 0.9rem;
}
.cookie-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: var(--color-success);
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
  z-index: 3000;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.close-notification {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

@media (max-width: 992px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-medium);
  }
  .nav-menu.is-active {
    display: flex;
  }
  .nav-item {
    padding: var(--spacing-sm) 0;
  }
  .hamburger-menu {
    display: block;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-image-wrapper {
    order: -1;
    margin-bottom: var(--spacing-md);
  }
  .hero-cta-group {
    justify-content: center;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }
  .integrations-content {
    grid-template-columns: 1fr;
  }
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .calculator-wrapper {
    grid-template-columns: 1fr;
  }
  .calculator-results-container {
    padding-top: 0;
  }

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

@media (max-width: 576px) {
  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-about,
  .footer-links {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .social-links {
    justify-content: center;
  }
  .cookie-container {
    flex-direction: column;
    text-align: center;
  }
}