/*
    style.css
    Kroniki Startupów
    Wersja: 1.0
    Autor: Gemini AI
*/

/* === 1. Zmienne i Motywy (Jasny i Ciemny) === */

:root {
  /* Paleta kolorów - Motyw Jasny */
  --color-background: #f8f9fa;
  --color-surface: #ffffff;
  --color-primary: #0057ff;
  --color-primary-hover: #004ad8;
  --color-secondary: #e9ecef;
  --color-secondary-hover: #dee2e6;
  --color-text-primary: #212529;
  --color-text-secondary: #495057;
  --color-text-muted: #6c757d;
  --color-border: #dee2e6;
  --color-accent: #ff4d4d;
  --color-success: #28a745;
  --color-shadow: rgba(0, 0, 0, 0.05);
  --color-hero-overlay: rgba(255, 255, 255, 0.7);

  /* Typografia */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-secondary: "Roboto Slab", serif;

  /* Skala typograficzna (Fluid) */
  --font-size-h1: clamp(2.5rem, 5vw, 4rem);
  --font-size-h2: clamp(2rem, 4vw, 3rem);
  --font-size-h3: clamp(1.5rem, 3vw, 2rem);
  --font-size-h4: clamp(1.2rem, 2.5vw, 1.5rem);
  --font-size-h5: clamp(1rem, 2vw, 1.25rem);
  --font-size-base: clamp(1rem, 1.5vw, 1.1rem);
  --font-size-small: clamp(0.875rem, 1vw, 0.95rem);

  /* System odległości (Spacing) */
  --space-xs: 0.25rem;
  --space-s: 0.5rem;
  --space-m: 1rem;
  --space-l: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  --space-section: clamp(4rem, 8vw, 6rem);

  /* Inne */
  --border-radius-small: 4px;
  --border-radius-medium: 8px;
  --border-radius-large: 16px;
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.4s ease-in-out;
  --shadow-soft: 0 4px 6px -1px var(--color-shadow),
    0 2px 4px -1px var(--color-shadow);
  --shadow-medium: 0 10px 15px -3px var(--color-shadow),
    0 4px 6px -2px var(--color-shadow);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Paleta kolorów - Motyw Ciemny */
    --color-background: #121212;
    --color-surface: #1e1e1e;
    --color-primary: #4a90e2;
    --color-primary-hover: #63a1e8;
    --color-secondary: #333333;
    --color-secondary-hover: #444444;
    --color-text-primary: #eaeaea;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #888888;
    --color-border: #3a3a3a;
    --color-accent: #ff6b6b;
    --color-success: #4caf50;
    --color-shadow: rgba(0, 0, 0, 0.25);
    --color-hero-overlay: rgba(0, 0, 0, 0.5);
  }
}

/* === 2. Podstawowe Style i Reset === */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  text-wrap: balance;
}

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);
}
h5 {
  font-size: var(--font-size-h5);
}

p {
  margin-bottom: var(--space-m);
  max-width: 75ch;
}

ul,
ol {
  list-style-position: inside;
  padding-left: var(--space-m);
}

ul li,
ol li {
  margin-bottom: var(--space-s);
}

button,
input,
textarea,
select {
  font: inherit;
}

/* === 3. Klasy pomocnicze i Layout === */

.container {
  width: 90%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

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

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

.section-header p {
  font-size: var(--font-size-h5);
  color: var(--color-text-secondary);
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  padding: var(--space-m) var(--space-xl);
  background-color: var(--color-primary);
  color: #ffffff;
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-medium);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  text-align: center;
  transition: background-color var(--transition-fast),
    color var(--transition-fast), transform var(--transition-fast);
}

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

/* === 4. Header === */

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

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

.logo {
  font-size: var(--font-size-h5);
  font-weight: 700;
  font-family: var(--font-secondary);
  color: var(--color-text-primary);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary);
  text-decoration: none;
}

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

.main-nav a {
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-s) 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,
.main-nav a:focus {
  color: var(--color-text-primary);
}

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

/* === 5. Hero Section === */

.hero-section {
  position: relative;
  padding: var(--space-section) 0;
  display: flex;
  align-items: center;
  min-height: 80vh;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-hero-overlay);
  z-index: -1;
}

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

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

.hero-content .subtitle {
  font-size: var(--font-size-h5);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.hero-quote {
  margin: var(--space-xxl) 0;
  padding: var(--space-l);
  background-color: rgba(0, 0, 0, 0.02);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-medium);
}

.hero-quote blockquote {
  font-size: var(--font-size-base);
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-m);
}

.hero-quote cite {
  font-style: normal;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* === 6. Intro Section === */

.intro-section {
  padding: var(--space-section) 0;
  background-color: var(--color-surface);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xxl);
  align-items: center;
}

.intro-icon {
  display: none; /* Ukryty na mobile, widoczny na większych ekranach */
}

.intro-icon svg {
  color: var(--color-primary);
}

/* === 7. Stories Section (Taby) === */

.stories-section {
  padding: var(--space-section) 0;
}

.tabs-container {
  width: 100%;
}

.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-s);
  margin-bottom: var(--space-xxl);
  border-bottom: 1px solid var(--color-border);
}

.tab-button {
  padding: var(--space-m) var(--space-l);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-s);
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-bottom: -1px; /* Aby nachodziło na border-bottom kontenera */
}

.tab-button svg {
  width: 20px;
  height: 20px;
  transition: color var(--transition-fast);
}

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

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

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

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

.story-header {
  margin-bottom: var(--space-l);
  border-bottom: 1px solid var(--color-secondary);
  padding-bottom: var(--space-l);
}

.story-header h3 {
  margin-bottom: var(--space-s);
}

.story-author {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  font-weight: 500;
}

.story-body p:last-child {
  margin-bottom: 0;
}

/* === 8. Media Section === */

.media-section {
  padding: var(--space-section) 0;
  background-color: var(--color-surface);
}

.media-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xxl);
}

.media-main h3,
.media-sidebar h3 {
  margin-bottom: var(--space-l);
  font-size: var(--font-size-h4);
}

.video-player {
  position: relative;
  border-radius: var(--border-radius-large);
  overflow: hidden;
  margin-bottom: var(--space-l);
  box-shadow: var(--shadow-soft);
}

.video-player img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.play-button-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.play-button-overlay:hover {
  background-color: rgba(0, 0, 0, 0.5);
}

.play-button-overlay svg {
  width: clamp(50px, 10vw, 80px);
  height: clamp(50px, 10vw, 80px);
  color: rgba(255, 255, 255, 0.9);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.5));
  transition: transform var(--transition-fast);
}

.play-button-overlay:hover svg {
  transform: scale(1.1);
}

.media-main h4 {
  margin-bottom: var(--space-s);
}

.podcast-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-l);
}

.podcast-item {
  display: flex;
  align-items: center;
  gap: var(--space-l);
  padding: var(--space-m);
  border-radius: var(--border-radius-medium);
  transition: background-color var(--transition-fast);
}

.podcast-item:hover {
  background-color: var(--color-secondary);
}

.podcast-cover {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-small);
  flex-shrink: 0;
  object-fit: cover;
}

.podcast-details {
  flex-grow: 1;
}

.podcast-details h5 {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.podcast-details p {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin: 0;
}

.play-button-small {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-s);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast),
    background-color var(--transition-fast);
}

.play-button-small:hover {
  color: var(--color-primary);
  background-color: var(--color-secondary-hover);
}

.play-button-small svg {
  width: 24px;
  height: 24px;
}

/* === 9. FAQ Section === */

.faq-section {
  padding: var(--space-section) 0;
}

.accordion {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-large);
  overflow: hidden;
}

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

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

.accordion-header {
  width: 100%;
  padding: var(--space-l);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-h5);
  font-weight: 600;
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast);
}

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

.accordion-icon {
  transition: transform var(--transition-medium);
  color: var(--color-text-secondary);
  flex-shrink: 0;
  margin-left: var(--space-m);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium),
    padding var(--transition-medium);
}

.accordion-content p {
  padding: 0 var(--space-l) var(--space-l);
  margin: 0;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* Stan aktywny akordeonu (zarządzany przez JS) */
.accordion-item.active .accordion-header {
  color: var(--color-primary);
}

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

.accordion-item.active .accordion-content {
  max-height: 500px; /* Wystarczająco duża wartość */
}

/* === 10. CTA Section (Formularz) === */

.cta-section {
  padding: var(--space-section) 0;
  background-color: var(--color-secondary);
}

.cta-content {
  background-color: var(--color-surface);
  padding: var(--space-xxl);
  border-radius: var(--border-radius-large);
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--shadow-medium);
}

.cta-content h2 {
  margin-bottom: var(--space-m);
}

.cta-content p {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-xl);
  color: var(--color-text-secondary);
}

.share-form {
  text-align: left;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-l);
  margin-bottom: var(--space-l);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-m);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-medium);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 87, 255, 0.2);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-l);
  margin-top: var(--space-xl);
}

.privacy-notice {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  text-align: center;
  margin: 0;
}

.thank-you-message {
  padding: var(--space-xl);
  text-align: center;
  animation: fadeIn 0.5s ease-in-out;
}

.thank-you-message svg {
  color: var(--color-success);
  margin-bottom: var(--space-l);
}

.thank-you-message h3 {
  margin-bottom: var(--space-m);
}

.thank-you-message p {
  color: var(--color-text-secondary);
  margin: 0 auto;
}

/* === 11. Footer === */

.main-footer {
  background-color: var(--color-surface);
  padding: var(--space-xxl) 0;
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xxl);
}

.footer-column h4 {
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-l);
}

.footer-column.about p {
  margin-bottom: 0;
  line-height: 1.5;
}

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

.footer-column.links li {
  margin-bottom: var(--space-s);
}

.footer-column.links a {
  color: var(--color-text-secondary);
}

.footer-column.links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-column.contact address {
  font-style: normal;
  line-height: 1.6;
}

.footer-column.contact a {
  color: var(--color-text-secondary);
  display: inline-block;
  margin-top: var(--space-s);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-l);
}

.footer-bottom p {
  margin: 0;
}

.social-links {
  display: flex;
  gap: var(--space-l);
}

.social-links a {
  color: var(--color-text-muted);
  display: inline-block;
}

.social-links a:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
}

.social-links svg {
  width: 24px;
  height: 24px;
}

/* === 12. Cookie Notice === */

#cookie-notice-container {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 2000;
  display: flex;
  justify-content: center;
}

.cookie-notice {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  padding: var(--space-l);
  margin: var(--space-m);
  border-radius: var(--border-radius-medium);
  box-shadow: var(--shadow-medium);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-l);
  max-width: 600px;
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-notice-content p {
  margin: 0;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.cookie-notice-content a {
  font-weight: 500;
}

.cookie-notice-actions {
  display: flex;
  gap: var(--space-m);
  width: 100%;
  justify-content: flex-end;
}

#cookie-accept-btn {
  padding: var(--space-s) var(--space-l);
  font-size: var(--font-size-small);
}

/* === 13. Animacje przy przewijaniu === */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === 14. Media Queries (Responsywność) === */

/* --- Tablety (od 768px) --- */
@media (min-width: 768px) {
  .container {
    width: 90%;
  }

  .main-nav ul {
    gap: var(--space-xl);
  }

  .intro-grid {
    grid-template-columns: auto 1fr;
    gap: var(--space-xxl);
  }

  .intro-icon {
    display: block;
    background-color: var(--color-secondary);
    padding: var(--space-xl);
    border-radius: 50%;
  }

  .story-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }

  .media-grid {
    grid-template-columns: 2fr 1fr;
  }

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

  .form-group-full {
    grid-column: 1 / -1;
  }

  .form-footer {
    flex-direction: row;
    justify-content: space-between;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl) var(--space-xxl);
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }

  .cookie-notice {
    flex-direction: row;
    align-items: center;
  }
}

/* --- Małe desktopy (od 1024px) --- */
@media (min-width: 1024px) {
  .container {
    max-width: 960px;
  }

  .hero-section {
    min-height: 90vh;
  }

  .story-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

/* --- Średnie desktopy (od 1280px) --- */
@media (min-width: 1280px) {
  .container {
    max-width: 1200px;
  }

  .story-grid {
    gap: var(--space-xxl);
  }
}

/* --- Duże desktopy i 2K (od 1440px) --- */
@media (min-width: 1440px) {
  .container {
    max-width: 1360px;
  }
}

/* --- Specyficzne poprawki --- */
@media (max-width: 767px) {
  .main-nav {
    display: none; /* Przykładowe ukrycie dla prostej mobilnej nawigacji */
    /* W pełnym projekcie tutaj byłaby logika dla menu hamburgerowego */
  }
}

/* === Koniec pliku style.css === */