/*
 * STYLE.CSS
 * EDU-TECH POLSKA - FINANSE Z SENSEM
 * VERSION: 1.0
 */

/* 1. ROOT & THEME VARIABLES
-------------------------------------------------- */
:root {
  /* Light Theme Colors */
  --color-background: #f9f9f9;
  --color-surface: #ffffff;
  --color-primary: #2d3e50;
  --color-secondary: #4a90e2;
  --color-accent: #e94f37;
  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-card-shadow: rgba(0, 0, 0, 0.04);
  --color-header-shadow: rgba(0, 0, 0, 0.05);

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  --font-secondary: "Georgia", serif;
  --font-size-base: 16px;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-bold: 700;

  /* Responsive Typography */
  --font-size-h1: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  --font-size-h2: clamp(2rem, 4vw + 1rem, 3rem);
  --font-size-h3: clamp(1.25rem, 2vw + 1rem, 1.75rem);
  --font-size-p: clamp(1rem, 1.5vw + 0.5rem, 1.125rem);
  --line-height-base: 1.7;

  /* Spacing & Sizing */
  --spacing-xs: 0.25rem;
  --spacing-s: 0.5rem;
  --spacing-m: 1rem;
  --spacing-l: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-xxl: 4rem;
  --container-width: 1200px;
  --border-radius: 8px;

  /* Transitions & Animations */
  --transition-fast: all 0.2s ease-in-out;
  --transition-medium: all 0.4s ease-in-out;
}

/* Dark Theme */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #111827;
    --color-surface: #1f2937;
    --color-primary: #ffffff;
    --color-secondary: #60a5fa;
    --color-accent: #f87171;
    --color-text-primary: #f9fafb;
    --color-text-secondary: #9ca3af;
    --color-border: #374151;
    --color-success: #34d399;
    --color-card-shadow: rgba(0, 0, 0, 0.2);
    --color-header-shadow: rgba(0, 0, 0, 0.3);
  }
}

/* 2. BASE & RESET
-------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

main {
  display: block;
}

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

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-l);
}

h1 {
  font-size: var(--font-size-h1);
}
h2 {
  font-size: var(--font-size-h2);
}
h3 {
  font-size: var(--font-size-h3);
}
p {
  font-size: var(--font-size-p);
  margin-bottom: var(--spacing-l);
  max-width: 75ch;
  color: var(--color-text-secondary);
}
p.subtitle {
  font-size: clamp(1.1rem, 2vw + 0.5rem, 1.3rem);
  opacity: 0.9;
}

ul,
ol {
  padding-left: var(--spacing-l);
  margin-bottom: var(--spacing-l);
}

li {
  margin-bottom: var(--spacing-s);
}

blockquote {
  font-family: var(--font-secondary);
  font-style: italic;
  font-size: 1.25rem;
  padding-left: var(--spacing-l);
  border-left: 4px solid var(--color-accent);
  margin: var(--spacing-xl) 0;
  color: var(--color-text-primary);
}

/* 3. LAYOUT & CONTAINER
-------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-l);
  padding-right: var(--spacing-l);
}

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

.section-divider {
  display: flex;
  justify-content: center;
  padding: var(--spacing-xl) 0;
}

.section-divider svg {
  width: 48px;
  height: 48px;
  color: var(--color-border);
}

/* 4. HEADER & NAVIGATION
-------------------------------------------------- */
.main-header {
  background-color: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px var(--color-header-shadow);
  transition: var(--transition-medium);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.logo:hover {
  text-decoration: none;
  opacity: 0.8;
}

.nav-links {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--spacing-xl);
}

.nav-links a {
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  padding: var(--spacing-s) 0;
  position: relative;
}

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

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

.nav-links a:hover {
  text-decoration: none;
  color: var(--color-primary);
}

/* 5. BUTTONS
-------------------------------------------------- */
.button {
  display: inline-block;
  padding: var(--spacing-m) var(--spacing-xl);
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-medium);
  text-align: center;
}

.button:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.button.primary-button {
  background-color: var(--color-secondary);
  color: #fff;
}

.button.primary-button:hover {
  background-color: #357abd;
  color: #fff;
}

.button.secondary-button {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.button.secondary-button:hover {
  background-color: var(--color-accent);
  color: #fff;
}

.button.large-button {
  font-size: 1.1rem;
  padding: var(--spacing-l) var(--spacing-xxl);
}

.button.full-width {
  width: 100%;
  display: block;
}

/* 6. HERO SECTION
-------------------------------------------------- */
.hero-section {
  text-align: center;
  display: flex;
  align-items: center;
  min-height: 70vh;
}

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

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

.hero-content .subtitle {
  margin-bottom: var(--spacing-xl);
}

/* 7. INTRO & PSYCHOLOGY SECTIONS
-------------------------------------------------- */
.intro-section {
  background-color: var(--color-surface);
}

.intro-section h2,
.psychology-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.psychology-section .content-flow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.psychology-section .content-image img {
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px var(--color-card-shadow);
}

/* 8. VALUES EXERCISE SECTION
-------------------------------------------------- */
.values-exercise-section h2,
.values-exercise-section p {
  text-align: center;
}
.values-exercise-section > .container > p {
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-xxl);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.value-card {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: var(--transition-medium);
  box-shadow: 0 4px 6px -1px var(--color-card-shadow);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px var(--color-card-shadow);
  border-color: var(--color-secondary);
}

.value-card svg {
  color: var(--color-accent);
  margin-bottom: var(--spacing-l);
  width: 48px;
  height: 48px;
}

.value-card h3 {
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-s);
}

.value-card p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* 9. BUDGET EXAMPLE (TABS)
-------------------------------------------------- */
.budget-example-section {
  background-color: var(--color-surface);
}

.budget-example-section h2,
.budget-example-section > .container > p {
  text-align: center;
  max-width: 80ch;
  margin-left: auto;
  margin-right: auto;
}

.tabs-container {
  margin-top: var(--spacing-xxl);
}

.tabs-nav {
  display: flex;
  justify-content: center;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.tab-link {
  padding: var(--spacing-m) var(--spacing-xl);
  cursor: pointer;
  border: none;
  background-color: transparent;
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  position: relative;
  bottom: -2px;
  border-bottom: 2px solid transparent;
  transition: var(--transition-medium);
}

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

.tab-link.active {
  color: var(--color-secondary);
  border-bottom-color: var(--color-secondary);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
  display: block;
}

.tab-content h3 {
  text-align: center;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
}

.budget-breakdown {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-l);
}

.budget-item {
  background-color: var(--color-background);
  padding: var(--spacing-l);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-accent);
}

.budget-item h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-s);
  color: var(--color-primary);
}

.budget-item .amount {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-success);
  margin-bottom: var(--spacing-m);
}

.budget-item .description {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0;
}

.budget-example-section .conclusion-text {
  margin-top: var(--spacing-xl);
  font-style: italic;
  background-color: var(--color-background);
  padding: var(--spacing-l);
  border-radius: var(--border-radius);
}

/* 10. PDF CTA SECTION
-------------------------------------------------- */
.pdf-cta-section .cta-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xxl);
  align-items: center;
  background-color: var(--color-surface);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius);
}

.pdf-cta-section .cta-image img {
  border-radius: var(--border-radius);
  box-shadow: 0 10px 20px var(--color-card-shadow);
}

.pdf-cta-section .cta-text h2 {
  color: var(--color-accent);
}
.pdf-cta-section .cta-text h3 {
  margin-top: calc(-1 * var(--spacing-l));
}

.pdf-cta-section .cta-text ul {
  list-style: none;
  padding-left: 0;
}

.pdf-cta-section .cta-text li {
  padding-left: 2rem;
  position: relative;
}

.pdf-cta-section .cta-text li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--color-success);
  font-weight: bold;
}

/* 11. TESTIMONIALS
-------------------------------------------------- */
.testimonials-section {
  background-color: var(--color-surface);
}

.testimonials-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background-color: var(--color-background);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  border-top: 4px solid var(--color-secondary);
}

.testimonial-card blockquote {
  border: none;
  padding: 0;
  margin: 0 0 var(--spacing-l) 0;
  font-family: var(--font-primary);
  font-style: normal;
}

.testimonial-card blockquote p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.testimonial-card figcaption {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* 12. FAQ SECTION
-------------------------------------------------- */
.faq-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-accordion details {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-m);
  border-radius: var(--border-radius);
  overflow: hidden;
}
.faq-accordion details[open] {
  border-left: 3px solid var(--color-secondary);
}

.faq-accordion summary {
  padding: var(--spacing-l);
  font-size: 1.2rem;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-primary);
}

.faq-accordion summary::-webkit-details-marker {
  display: none;
}

.faq-accordion summary .chevron {
  transition: var(--transition-medium);
  width: 24px;
  height: 24px;
}

.faq-accordion details[open] summary .chevron {
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 var(--spacing-l) var(--spacing-l) var(--spacing-l);
}

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

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

/* 13. FINAL CTA (FORM)
-------------------------------------------------- */
.final-cta-section {
  background-color: var(--color-surface);
}

.final-cta-section h2,
.final-cta-section > .container > p {
  text-align: center;
}
.final-cta-section > .container > p {
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-xl);
}

.form-wrapper {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-l);
}

.form-group label {
  display: block;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-s);
}

.form-group input {
  width: 100%;
  padding: var(--spacing-m);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 1rem;
  background-color: var(--color-background);
  color: var(--color-text-primary);
  transition: var(--transition-medium);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

#thankYouMessage {
  background-color: var(--color-background);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--color-success);
}

#thankYouMessage h3 {
  color: var(--color-success);
}

.form-footer-text {
  text-align: center;
  font-size: 0.9rem;
  margin-top: var(--spacing-m);
}

/* 14. FOOTER
-------------------------------------------------- */
.main-footer {
  background-color: var(--color-primary);
  color: var(--color-text-secondary);
  padding: var(--spacing-xxl) 0 0 0;
}
.main-footer h4 {
  color: var(--color-surface);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-l);
}
.main-footer p,
.main-footer a {
  color: #a0aec0;
}
.main-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.footer-column ul {
  list-style: none;
  padding: 0;
}
.footer-column.about a {
  font-weight: bold;
  color: var(--color-secondary);
}

.footer-column address {
  font-style: normal;
  line-height: var(--line-height-base);
}

.footer-bottom {
  text-align: center;
  padding: var(--spacing-l);
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.footer-bottom p {
  margin: 0;
}

/* 15. COOKIE BANNER
-------------------------------------------------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-surface);
  box-shadow: 0 -2px 10px var(--color-header-shadow);
  padding: var(--spacing-l);
  z-index: 2000;
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}
.cookie-banner.show {
  transform: translateY(0);
}
.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-l);
}
.cookie-content p {
  margin: 0;
  font-size: 0.9rem;
}
.cookie-button {
  flex-shrink: 0;
  background-color: var(--color-secondary);
  color: #fff;
  padding: var(--spacing-s) var(--spacing-l);
}

/* 16. ANIMATIONS & UTILITIES
-------------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* 17. RESPONSIVE DESIGN
-------------------------------------------------- */

/* Mobile Navigation (Hidden by default) */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}
.mobile-nav-toggle .icon-menu,
.mobile-nav-toggle .icon-close {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.mobile-nav-toggle .icon-close {
  display: none;
}

/* For Tablets and smaller Desktops */
@media (max-width: 992px) {
  .nav-links {
    display: none; /* Hide desktop nav */
  }

  .main-nav .button.primary-button {
    display: none; /* Hide header button on tablets */
  }

  .mobile-nav-toggle {
    display: block; /* Show hamburger */
  }

  body.mobile-nav-open .mobile-nav-toggle .icon-menu {
    display: none;
  }

  body.mobile-nav-open .mobile-nav-toggle .icon-close {
    display: block;
  }

  .nav-links.mobile-nav {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
  }

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

  .nav-links.mobile-nav li {
    width: 100%;
  }

  .nav-links.mobile-nav a {
    display: block;
    text-align: center;
    padding: var(--spacing-l) 0;
    font-size: 1.5rem;
  }
  .nav-links.mobile-nav a::after {
    display: none;
  }

  .psychology-section .content-flow {
    grid-template-columns: 1fr;
  }

  .pdf-cta-section .cta-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .pdf-cta-section .cta-image {
    max-width: 300px;
    margin: 0 auto;
  }
}

/* For Mobile Phones */
@media (max-width: 768px) {
  .hero-section {
    min-height: 60vh;
  }

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

  .footer-column.about,
  .footer-column address {
    max-width: 35ch;
    margin: 0 auto;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}