/* style.css */

:root {
  --font-primary: "system-ui", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  --font-secondary: "Georgia", "Times New Roman", Times, serif;

  /* Light Theme */
  --color-background: #f8f9fa;
  --color-surface: #ffffff;
  --color-primary: #005a9c;
  --color-primary-variant: #003d6b;
  --color-secondary: #e87722;
  --color-text-primary: #212529;
  --color-text-secondary: #495057;
  --color-text-muted: #6c757d;
  --color-border: #dee2e6;
  --color-success: #28a745;
  --color-shadow: rgba(0, 0, 0, 0.08);

  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-base: 1rem; /* 16px */
  --font-size-md: 1.125rem; /* 18px */
  --font-size-lg: 1.25rem; /* 20px */
  --font-size-xl: 1.5rem; /* 24px */
  --font-size-xxl: 2rem; /* 32px */
  --font-size-xxxl: 2.5rem; /* 40px */
  --font-size-display: 3.5rem; /* 56px */

  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.5rem;
  --spacing-6: 2rem;
  --spacing-7: 3rem;
  --spacing-8: 4rem;

  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;

  --shadow-sm: 0 2px 4px var(--color-shadow);
  --shadow-md: 0 4px 8px var(--color-shadow);
  --shadow-lg: 0 10px 20px var(--color-shadow);

  --transition-fast: all 0.2s ease-in-out;
  --transition-medium: all 0.3s ease-in-out;

  --container-width: 1200px;
  --container-padding: 1.5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-primary: #58a6ff;
    --color-primary-variant: #80baff;
    --color-secondary: #f19953;
    --color-text-primary: #e6edf3;
    --color-text-secondary: #b0b8c4;
    --color-text-muted: #848d97;
    --color-border: #30363d;
    --color-success: #3fb950;
    --color-shadow: rgba(0, 0, 0, 0.25);
  }
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-medium),
    color var(--transition-medium);
}

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

section {
  padding-top: var(--spacing-8);
  padding-bottom: var(--spacing-8);
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-4);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-display);
}
h2 {
  font-size: var(--font-size-xxxl);
}
h3 {
  font-size: var(--font-size-xl);
}
h4 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-4);
  color: var(--color-text-secondary);
  max-width: 75ch;
}

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

a:hover {
  color: var(--color-primary-variant);
  text-decoration: underline;
}

ul {
  list-style-type: none;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-7);
}

.section-header h2 {
  margin-bottom: var(--spacing-3);
}

.section-header p {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
}

/* Header & Navigation */
.main-header {
  background-color: var(--color-surface);
  padding: var(--spacing-4) 0;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-medium),
    box-shadow var(--transition-medium);
}

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

.logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
}

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

.main-nav ul {
  display: flex;
  gap: var(--spacing-5);
}

.main-nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--spacing-2) 0;
  position: relative;
  text-decoration: none;
}

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

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

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

.cta-button {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: var(--spacing-2) var(--spacing-5);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  font-weight: 500;
  transition: background-color var(--transition-fast),
    transform var(--transition-fast);
  display: inline-block;
}

.cta-button:hover {
  background-color: var(--color-primary-variant);
  color: #ffffff;
  transform: translateY(-2px);
  text-decoration: none;
}

.cta-button-large {
  font-size: var(--font-size-md);
  padding: var(--spacing-4) var(--spacing-6);
  border-radius: var(--border-radius-md);
}

.cta-button-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: calc(var(--spacing-2) - 2px) calc(var(--spacing-5) - 2px);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: inline-block;
}

.cta-button-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-surface);
  transform: translateY(-2px);
  text-decoration: none;
}

/* Hero Section */
.hero-section {
  padding: var(--spacing-8) 0;
  background-color: var(--color-surface);
  text-align: center;
}

.hero-content {
  max-width: 800px;
}

.hero-content h1 {
  margin-bottom: var(--spacing-4);
}

.hero-content .subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
}

/* Overview Section */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
}

.overview-card {
  background-color: var(--color-surface);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition-medium);
}

.overview-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.overview-card .icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.overview-card h3 {
  margin-bottom: var(--spacing-3);
}

/* How It Works Section */
.section-how-it-works {
  background-color: var(--color-surface);
}

.steps-container {
  display: grid;
  gap: var(--spacing-5);
  position: relative;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-5);
}

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

.step-content h3 {
  margin-bottom: var(--spacing-2);
}

.step-content p {
  margin-bottom: 0;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.feature-item {
  text-align: left;
  background-color: var(--color-surface);
  padding: var(--spacing-5);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: var(--transition-medium);
}

.feature-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.feature-item .icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.feature-item h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2);
}

/* Case Study Section */
.case-study-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-7);
  align-items: center;
}

.case-study-text h3 {
  margin-top: var(--spacing-5);
  margin-bottom: var(--spacing-3);
}

.case-study-text h3:first-child {
  margin-top: 0;
}

.case-study-text ul {
  list-style-type: disc;
  padding-left: var(--spacing-5);
  margin-bottom: var(--spacing-4);
}

.case-study-text ul li {
  margin-bottom: var(--spacing-2);
  padding-left: var(--spacing-2);
}

.case-study-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* Testimonials Section */
.section-testimonials {
  background-color: var(--color-surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.testimonial-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
}

.testimonial-card blockquote {
  flex-grow: 1;
  margin-bottom: var(--spacing-4);
  font-family: var(--font-secondary);
  font-style: italic;
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-primary);
  padding-left: var(--spacing-4);
}

.testimonial-card blockquote p {
  margin-bottom: 0;
}

.testimonial-card cite {
  font-style: normal;
  text-align: right;
}

.testimonial-author {
  display: block;
  font-weight: 700;
}

.testimonial-role {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  align-items: stretch;
}

.pricing-plan {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: var(--transition-medium);
}

.pricing-plan.popular {
  border-color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  position: relative;
}

.pricing-plan.popular::before {
  content: "Najpopularniejszy";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.pricing-plan h3 {
  font-size: var(--font-size-xl);
}

.pricing-plan .price {
  font-size: var(--font-size-xxxl);
  font-weight: 700;
  margin-bottom: var(--spacing-2);
}

.pricing-plan .price span {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text-muted);
}

.plan-description {
  color: var(--color-text-muted);
  min-height: 50px;
  margin-bottom: var(--spacing-5);
}

.pricing-plan ul {
  text-align: left;
  margin-bottom: var(--spacing-6);
  flex-grow: 1;
}

.pricing-plan ul li {
  margin-bottom: var(--spacing-3);
  padding-left: 30px;
  position: relative;
}

.pricing-plan ul li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
  position: absolute;
  left: 0;
  top: 0;
}

.pricing-plan .cta-button,
.pricing-plan .cta-button-outline {
  width: 100%;
}

/* FAQ Section */
.section-faq {
  background-color: var(--color-surface);
}

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

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  padding: var(--spacing-5) 0;
  font-size: var(--font-size-lg);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.accordion-header:hover {
  color: var(--color-primary);
}

.accordion-header::after {
  content: "+";
  font-size: var(--font-size-xxl);
  font-weight: 300;
  transition: transform var(--transition-medium);
  margin-left: var(--spacing-4);
}

.accordion-header.active::after {
  transform: rotate(45deg);
}

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

.accordion-content p {
  padding: 0 0 var(--spacing-5) 0;
  margin-bottom: 0;
  font-size: var(--font-size-base);
}

.faq-more-info {
  text-align: center;
  margin-top: var(--spacing-6);
}

/* CTA Form Section */
.section-cta-form {
  background-color: var(--color-primary);
  color: #ffffff;
  text-align: center;
}

.section-cta-form h2 {
  color: #ffffff;
}

.section-cta-form p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

.form-container {
  max-width: 500px;
  margin: var(--spacing-6) auto 0;
}

#quick-register-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.form-group {
  width: 100%;
}

#quick-register-form input {
  width: 100%;
  padding: var(--spacing-4);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-base);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

#quick-register-form button {
  background-color: var(--color-secondary);
  border: none;
  cursor: pointer;
}

#quick-register-form button:hover {
  background-color: #d06616;
}

.form-terms {
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-4);
}

.form-terms a {
  color: #ffffff;
  text-decoration: underline;
}

#form-thank-you h3 {
  color: #ffffff;
}

/* Footer */
.main-footer {
  background-color: var(--color-surface);
  padding: var(--spacing-7) 0 0;
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-7);
  margin-bottom: var(--spacing-7);
}

.footer-column h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-4);
  font-weight: 600;
}

.footer-column p {
  margin-bottom: var(--spacing-2);
  color: var(--color-text-muted);
}

.footer-column ul li {
  margin-bottom: var(--spacing-2);
}

.footer-column ul a {
  color: var(--color-text-muted);
}

.footer-column ul a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-5) 0;
  text-align: center;
  color: var(--color-text-muted);
}

/* Animations */
.fade-in-element {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-element.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Styles */
@media (max-width: 1200px) {
  .features-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  .pricing-plan.popular {
    transform: scale(1);
  }
}

@media (max-width: 992px) {
  h1 {
    font-size: var(--font-size-xxxl);
  }
  h2 {
    font-size: var(--font-size-xxl);
  }

  .main-header .container {
    position: relative;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-4);
    border-bottom-left-radius: var(--border-radius-md);
    border-bottom-right-radius: var(--border-radius-md);
  }

  .main-nav.nav-active {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
  }

  .hamburger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
  }

  .hamburger-menu span {
    width: 30px;
    height: 3px;
    background-color: var(--color-text-primary);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
  }

  .main-header .cta-button {
    display: none; /* Hide in nav, show inside mobile menu if needed */
  }

  .overview-grid {
    grid-template-columns: 1fr;
  }

  .case-study-content {
    grid-template-columns: 1fr;
  }

  .case-study-image {
    order: -1;
    margin-bottom: var(--spacing-6);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-column.about {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  section {
    padding-top: var(--spacing-7);
    padding-bottom: var(--spacing-7);
  }

  .features-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-plan {
    margin-bottom: var(--spacing-5);
  }
}

@media (max-width: 576px) {
  :root {
    --font-size-display: 2.5rem;
    --font-size-xxxl: 2rem;
    --font-size-xxl: 1.75rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-column ul {
    padding-left: 0;
  }
}

/* Cookie Banner */
.cookie-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  padding: var(--spacing-5);
  box-shadow: 0 -2px 10px var(--color-shadow);
  z-index: 2000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-5);
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}

.cookie-consent-banner.active {
  transform: translateY(0);
}

.cookie-consent-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cookie-consent-text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.cookie-consent-button {
  flex-shrink: 0;
  padding: var(--spacing-2) var(--spacing-5);
  background-color: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

.cookie-consent-button:hover {
  background-color: var(--color-primary-variant);
}

/* Add hamburger menu to the header when needed */
.main-header.mobile-view .main-nav {
  /* Styles for mobile navigation dropdown */
}

/* Hamburger button styling and animation */
.hamburger-button {
  display: none; /* Hidden by default */
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 1001;
}

.hamburger-button .bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: all 0.3s ease-in-out;
  background-color: var(--color-text-primary);
}

/* Show hamburger on smaller screens */
@media (max-width: 992px) {
  .main-nav {
    display: none;
  }

  .hamburger-button {
    display: block;
  }

  .main-header .cta-button {
    display: none;
  }

  .main-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-md);
  }

  .main-nav.is-open ul {
    flex-direction: column;
    width: 100%;
    text-align: center;
  }

  .main-nav.is-open ul li {
    padding: var(--spacing-2) 0;
  }

  /* Hamburger animation to 'X' */
  .hamburger-button.is-active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger-button.is-active .bar:nth-child(2) {
    opacity: 0;
  }
  .hamburger-button.is-active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}