/*
 * Finansowy Reset: Modern, Responsive, and Themed Stylesheet
 * Author: EduTech Poland
 * Version: 1.0.0
 * No frameworks. Pure CSS.
 */

/* -------------------------------------------------- */
/* 1. ROOT VARIABLES & THEMES
/* -------------------------------------------------- */

:root {
  /* Light Theme Palette */
  --color-background: #f8f9fa;
  --color-surface: #ffffff;
  --color-text-primary: #212529;
  --color-text-secondary: #495057;
  --color-text-subtle: #6c757d;
  --color-border: #dee2e6;
  --color-border-subtle: #e9ecef;
  --color-primary: #007bff;
  --color-primary-hover: #0069d9;
  --color-accent: #28a745;
  --color-accent-hover: #218838;
  --color-danger: #dc3545;
  --color-warning: #ffc107;
  --color-success: #28a745;
  --color-info: #17a2b8;
  --color-shadow: rgba(0, 0, 0, 0.05);
  --color-shadow-strong: rgba(0, 0, 0, 0.1);

  /* Typography */
  --font-family-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-serif: "Lora", serif;
  --font-family-mono: "Fira Code", "Courier New", monospace;

  --font-size-base: 16px;
  --line-height-base: 1.65;

  /* Scalable Font Sizes using clamp() */
  --font-size-h1: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  --font-size-h2: clamp(2rem, 4vw + 1rem, 3rem);
  --font-size-h3: clamp(1.5rem, 3vw + 1rem, 2rem);
  --font-size-h4: clamp(1.15rem, 2vw + 0.8rem, 1.35rem);
  --font-size-p: clamp(1rem, 1.5vw + 0.5rem, 1.1rem);
  --font-size-small: 0.875rem;

  /* Spacing System (based on 8px grid) */
  --space-xs: 0.25rem; /* 4px */
  --space-s: 0.5rem; /* 8px */
  --space-m: 1rem; /* 16px */
  --space-l: 1.5rem; /* 24px */
  --space-xl: 2rem; /* 32px */
  --space-xxl: 3rem; /* 48px */
  --space-xxxl: 5rem; /* 80px */

  /* Layout */
  --container-width: 1240px;
  --container-padding: var(--space-l);
  --container-width-small: 800px;

  /* Borders & Shadows */
  --border-radius-small: 4px;
  --border-radius-medium: 8px;
  --border-radius-large: 16px;
  --shadow-soft: 0 4px 12px var(--color-shadow);
  --shadow-medium: 0 8px 24px var(--color-shadow-strong);
  --shadow-inset: inset 0 2px 4px var(--color-shadow);

  /* Transitions */
  --transition-fast: all 0.2s ease-in-out;
  --transition-medium: all 0.3s ease-in-out;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark Theme Palette */
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-text-primary: #eaeaea;
    --color-text-secondary: #a0a0a0;
    --color-text-subtle: #707070;
    --color-border: #3a3a3a;
    --color-border-subtle: #2c2c2c;
    --color-primary: #3391ff;
    --color-primary-hover: #57a5ff;
    --color-accent: #30c551;
    --color-accent-hover: #4dd269;
    --color-danger: #ff4d4d;
    --color-warning: #ffca28;
    --color-success: #30c551;
    --color-info: #29b6f6;
    --color-shadow: rgba(0, 0, 0, 0.2);
    --color-shadow-strong: rgba(0, 0, 0, 0.35);
  }
}

/* -------------------------------------------------- */
/* 2. BASE & RESET STYLES
/* -------------------------------------------------- */

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-sans);
  line-height: var(--line-height-base);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  transition: background-color var(--transition-medium),
    color var(--transition-medium);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-sans);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-m);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--font-size-h1);
}
h2 {
  font-size: var(--font-size-h2);
}
h3 {
  font-size: var(--font-size-h3);
}
h4 {
  font-size: var(--font-size-h4);
}

p {
  font-size: var(--font-size-p);
  margin-bottom: var(--space-l);
  max-width: 75ch;
  color: var(--color-text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

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

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

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

ul li,
ol li {
  font-size: var(--font-size-p);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-s);
  padding-left: var(--space-s);
}

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

svg {
  display: inline-block;
  vertical-align: middle;
}

address {
  font-style: normal;
}

/* -------------------------------------------------- */
/* 3. LAYOUT & HELPERS
/* -------------------------------------------------- */

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

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

.section-common {
  padding-top: var(--space-xxxl);
  padding-bottom: var(--space-xxxl);
}

.section-bg-light {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xxl);
}

.section-title h2 {
  margin-bottom: var(--space-m);
}

.section-title p {
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text-subtle);
}

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

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

/* -------------------------------------------------- */
/* 4. BUTTONS
/* -------------------------------------------------- */

.button-primary,
.button-accent,
.button-secondary {
  display: inline-block;
  padding: var(--space-m) var(--space-xl);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-p);
  font-weight: 600;
  text-align: center;
  border-radius: var(--border-radius-medium);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition-medium);
  text-decoration: none;
}

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

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

.button-accent {
  background-color: var(--color-accent);
  color: #ffffff;
}

.button-accent:hover {
  background-color: var(--color-accent-hover);
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

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

.button-secondary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  text-decoration: none;
}

/* -------------------------------------------------- */
/* 5. HEADER & NAVIGATION
/* -------------------------------------------------- */

.main-header {
  padding: var(--space-m) 0;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-medium);
}

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

.main-nav .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
}

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

.main-nav ul {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-xl);
}

.main-nav ul li a {
  font-size: var(--font-size-p);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  position: relative;
  padding: var(--space-s) 0;
}

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

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

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

/* -------------------------------------------------- */
/* 6. HERO SECTION
/* -------------------------------------------------- */

.hero-section {
  padding-top: var(--space-xxxl);
  padding-bottom: var(--space-xxxl);
  background-color: var(--color-surface);
}

.hero-section .container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: var(--space-xxxl);
}

.hero-content h1 {
  margin-bottom: var(--space-l);
}

.hero-content .subtitle {
  font-size: var(--font-size-h4);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 60ch;
}

.hero-cta {
  display: flex;
  gap: var(--space-m);
  margin-top: var(--space-xl);
}

.hero-image-container img {
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-medium);
  object-fit: cover;
  width: 100%;
  height: 100%;
}

/* -------------------------------------------------- */
/* 7. TABS COMPONENT (#typy-porazek)
/* -------------------------------------------------- */

.tabs-container {
  width: 100%;
}

.tabs-nav {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
  padding-bottom: var(--space-xs);
}

.tab-link {
  display: flex;
  align-items: center;
  gap: var(--space-s);
  padding: var(--space-m) var(--space-l);
  font-size: var(--font-size-p);
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition-medium);
  white-space: nowrap;
}

.tab-link:hover {
  background-color: var(--color-border-subtle);
  color: var(--color-text-primary);
}

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

.tab-link svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}

.tabs-content {
  position: relative;
}

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

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

.tab-pane h3 {
  margin-bottom: var(--space-l);
  color: var(--color-text-primary);
}

.tab-pane ul {
  list-style-type: none;
  padding-left: 0;
}

.tab-pane ul li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-m);
}

.tab-pane ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* -------------------------------------------------- */
/* 8. STORIES SECTION (#historie-sukcesu)
/* -------------------------------------------------- */

.stories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.story-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--border-radius-large);
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
  transition: var(--transition-medium);
}

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

.story-header {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  margin-bottom: var(--space-l);
  padding-bottom: var(--space-m);
  border-bottom: 1px solid var(--color-border-subtle);
}

.story-header svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.story-header h3 {
  margin: 0;
  font-size: var(--font-size-h4);
}

.story-content p {
  font-size: var(--font-size-p);
  color: var(--color-text-secondary);
}

/* -------------------------------------------------- */
/* 9. ACCORDION COMPONENT (#plan-odbudowy & #faq)
/* -------------------------------------------------- */

.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.accordion-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-medium);
  overflow: hidden;
}

.accordion-item.active .accordion-header {
  background-color: var(--color-border-subtle);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-l);
  background-color: var(--color-surface);
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--font-size-h4);
  font-weight: 600;
  color: var(--color-text-primary);
  transition: background-color var(--transition-medium);
}

.accordion-header:hover {
  background-color: var(--color-border-subtle);
}

.accordion-icon {
  transition: transform var(--transition-medium);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-left: var(--space-m);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-in-out, padding 0.4s ease-in-out;
}

.accordion-content-inner {
  padding: 0 var(--space-l);
}

.accordion-item.active .accordion-content {
  max-height: 1000px; /* Large enough value */
}
.accordion-item.active .accordion-content-inner {
  padding: var(--space-l);
}

.accordion-content ul {
  list-style-type: disc;
  padding-left: var(--space-l);
}

/* -------------------------------------------------- */
/* 10. SUPPORT PHRASES (#wsparcie)
/* -------------------------------------------------- */

.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-l);
}

.support-phrase {
  background: linear-gradient(
    135deg,
    var(--color-surface),
    var(--color-background)
  );
  padding: var(--space-xl);
  border-radius: var(--border-radius-medium);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-medium);
}

.support-phrase:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-medium);
}

.support-phrase svg {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
  margin-bottom: var(--space-m);
}

.support-phrase p {
  font-size: var(--font-size-p);
  font-weight: 500;
  color: var(--color-text-primary);
}

/* -------------------------------------------------- */
/* 11. CTA SECTION (#dziennik)
/* -------------------------------------------------- */

.cta-section {
  background-color: var(--color-primary);
  color: #ffffff;
}

.cta-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-xxxl);
}

.cta-section .cta-content h2,
.cta-section .cta-content p {
  color: #ffffff;
}

.cta-section .cta-content p {
  opacity: 0.9;
}

.cta-icon {
  margin-bottom: var(--space-l);
}

.cta-icon svg {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
}

.cta-section .button-accent {
  background-color: #ffffff;
  color: var(--color-primary);
  margin-top: var(--space-l);
}

.cta-section .button-accent:hover {
  background-color: var(--color-border-subtle);
  color: var(--color-primary);
}

.cta-image-container img {
  border-radius: var(--border-radius-large);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* -------------------------------------------------- */
/* 12. FAQ SECTION
/* -------------------------------------------------- */
.faq-link {
  text-align: center;
  margin-top: var(--space-xxl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-subtle);
}

.faq-link p {
  margin-bottom: var(--space-m);
}

/* -------------------------------------------------- */
/* 13. FOOTER
/* -------------------------------------------------- */

.main-footer {
  background-color: var(--color-surface);
  padding-top: var(--space-xxxl);
  padding-bottom: var(--space-xl);
  border-top: 2px solid var(--color-border);
  color: var(--color-text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xxl);
  margin-bottom: var(--space-xxl);
}

.footer-column h4 {
  font-size: var(--font-size-h4);
  color: var(--color-text-primary);
  margin-bottom: var(--space-l);
}

.footer-column p {
  font-size: var(--font-size-small);
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin-bottom: var(--space-s);
  padding-left: 0;
}

.footer-column ul li a {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

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

.footer-column address p {
  display: flex;
  align-items: flex-start;
  gap: var(--space-s);
  margin-bottom: var(--space-m);
}

.footer-column address svg {
  width: 16px;
  height: 16px;
  margin-top: 4px;
  flex-shrink: 0;
  color: var(--color-text-subtle);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-subtle);
}

.footer-bottom p {
  font-size: var(--font-size-small);
  color: var(--color-text-subtle);
  margin: 0;
}

/* -------------------------------------------------- */
/* 14. COOKIE CONSENT BANNER
/* -------------------------------------------------- */

#cookie-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  padding: var(--space-l);
  box-shadow: 0 -5px 15px var(--color-shadow-strong);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-l);
  z-index: 2000;
  border-top: 1px solid var(--color-border);
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}

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

#cookie-consent-banner p {
  margin: 0;
  font-size: var(--font-size-small);
}

#cookie-consent-banner a {
  font-weight: bold;
  text-decoration: underline;
}

#cookie-consent-accept {
  padding: var(--space-s) var(--space-m);
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--border-radius-small);
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
}

#cookie-consent-accept:hover {
  background-color: var(--color-primary-hover);
}

/* -------------------------------------------------- */
/* 15. ANIMATIONS
/* -------------------------------------------------- */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* -------------------------------------------------- */
/* 16. RESPONSIVE DESIGN
/* -------------------------------------------------- */

/* Large Desktops (1440px and up) */
@media (min-width: 1440px) {
  :root {
    --font-size-base: 17px;
  }
  .container {
    padding-left: 0;
    padding-right: 0;
  }
}

/* Tablets Landscape & Small Desktops (max-width: 1200px) */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
  .hero-section .container {
    gap: var(--space-xxl);
  }
}

/* Tablets Portrait (max-width: 992px) */
@media (max-width: 992px) {
  .hero-section .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    order: 2;
  }
  .hero-image-container {
    order: 1;
    margin-bottom: var(--space-xl);
  }
  .hero-content .subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta {
    justify-content: center;
  }
  .cta-section .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .cta-image-container {
    order: 1;
    margin-bottom: var(--space-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
  .cta-content {
    order: 2;
  }
  .cta-icon {
    margin-left: auto;
    margin-right: auto;
  }
  .footer-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

/* Mobile Devices (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --space-xxxl: 3.5rem;
    --space-xxl: 2.5rem;
  }
  .main-nav .button-primary {
    display: none; /* Hide button, would be inside mobile menu */
  }
  .main-nav ul {
    display: none; /* Hide nav links, for mobile menu */
  }
  /* A placeholder for a mobile menu button if it were to be added */
  .mobile-menu-toggle {
    display: block;
    /* Styling for a hamburger icon would go here */
  }
  .tabs-nav {
    justify-content: flex-start;
  }
  .tab-link {
    padding: var(--space-m);
  }
  .stories-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    text-align: center;
  }
  .footer-column address p {
    justify-content: center;
  }
  #cookie-consent-banner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-m);
  }
}

/* Small Mobile Devices (max-width: 480px) */
@media (max-width: 480px) {
  :root {
    --container-padding: var(--space-m);
  }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .button-primary,
  .button-accent,
  .button-secondary {
    width: 100%;
  }
  .cta-section .button-accent {
    width: 100%;
  }
}