/*
 * Kapitał 365 - Custom Stylesheet
 * Version: 1.0.0
 */

/* ------------------- */
/* ROOT & THEME VARIABLES */
/* ------------------- */

:root {
  /* Light Theme Palette */
  --color-background-light: #f9faff;
  --color-surface-light: #ffffff;
  --color-primary-light: #005c99;
  --color-primary-dark-light: #004473;
  --color-secondary-light: #17a2b8;
  --color-text-primary-light: #1a202c;
  --color-text-secondary-light: #4a5568;
  --color-border-light: #e2e8f0;
  --color-success-light: #28a745;
  --color-success-background-light: #e9f7eb;
  --color-shadow-light: rgba(45, 55, 72, 0.1);

  /* Dark Theme Palette */
  --color-background-dark: #121826;
  --color-surface-dark: #1a2233;
  --color-primary-dark: #3399ff;
  --color-primary-dark-dark: #57abff;
  --color-secondary-dark: #20c997;
  --color-text-primary-dark: #f0f4f8;
  --color-text-secondary-dark: #a0aec0;
  --color-border-dark: #2d3748;
  --color-success-dark: #32cd32;
  --color-success-background-dark: #1c2e22;
  --color-shadow-dark: rgba(0, 0, 0, 0.2);

  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  --font-family-heading: "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --font-size-base: 16px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Spacing & Sizing */
  --spacing-xs: 0.25rem; /* 4px */
  --spacing-sm: 0.5rem; /* 8px */
  --spacing-md: 1rem; /* 16px */
  --spacing-lg: 1.5rem; /* 24px */
  --spacing-xl: 2rem; /* 32px */
  --spacing-xxl: 4rem; /* 64px */

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

  /* Transitions */
  --transition-fast: all 0.2s ease-in-out;
  --transition-medium: all 0.3s ease-in-out;
  --transition-slow: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);

  /* Shadows */
  --shadow-sm: 0 1px 3px 0 var(--shadow-color), 0 1px 2px 0 var(--shadow-color);
  --shadow-md: 0 4px 6px -1px var(--shadow-color),
    0 2px 4px -1px var(--shadow-color);
  --shadow-lg: 0 10px 15px -3px var(--shadow-color),
    0 4px 6px -2px var(--shadow-color);

  /* Initial Theme Setup (Light) */
  --bg: var(--color-background-light);
  --surface: var(--color-surface-light);
  --primary: var(--color-primary-light);
  --primary-dark: var(--color-primary-dark-light);
  --secondary: var(--color-secondary-light);
  --text-primary: var(--color-text-primary-light);
  --text-secondary: var(--color-text-secondary-light);
  --border: var(--color-border-light);
  --success: var(--color-success-light);
  --success-bg: var(--color-success-background-light);
  --shadow-color: var(--color-shadow-light);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--color-background-dark);
    --surface: var(--color-surface-dark);
    --primary: var(--color-primary-dark);
    --primary-dark: var(--color-primary-dark-dark);
    --secondary: var(--color-secondary-dark);
    --text-primary: var(--color-text-primary-dark);
    --text-secondary: var(--color-text-secondary-dark);
    --border: var(--color-border-dark);
    --success: var(--color-success-dark);
    --success-bg: var(--color-success-background-dark);
    --shadow-color: var(--color-shadow-dark);
  }
}

/* ------------------- */
/* 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);
  background-color: var(--bg);
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: var(--font-weight-normal);
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
}

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

h1 {
  font-size: 2.75rem;
}
h2 {
  font-size: 2.25rem;
}
h3 {
  font-size: 1.5rem;
}
h4 {
  font-size: 1.25rem;
}
p {
  margin-bottom: var(--spacing-md);
}
ul,
ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}
li {
  margin-bottom: var(--spacing-sm);
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-fast);
}
a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
svg {
  vertical-align: middle;
}
address {
  font-style: normal;
}

/* ------------------- */
/* UTILITY & LAYOUT    */
/* ------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3rem;
}

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

.section-divider {
  border: 0;
  height: 1px;
  background-color: var(--border);
  max-width: 1200px;
  margin: 0 auto;
}

/* ------------------- */
/* BUTTONS             */
/* ------------------- */
.button {
  display: inline-block;
  font-family: var(--font-family-sans);
  font-weight: var(--font-weight-bold);
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: var(--transition-medium);
  user-select: none;
  text-decoration: none;
}
.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.button.primary,
.button.large-primary {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}
.button.primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: white;
}

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

.button.large-primary,
.button.large-secondary {
  font-size: 1.1rem;
  padding: 1rem 2rem;
}

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

/* ------------------- */
/* HEADER              */
/* ------------------- */
.main-header {
  background-color: var(--surface);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

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

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  text-decoration: none;
}
.logo:hover {
  text-decoration: none;
  color: var(--primary);
}
.logo svg {
  margin-right: var(--spacing-sm);
  color: var(--primary);
  width: 28px;
  height: 28px;
}

.main-navigation ul {
  list-style: none;
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}
.main-navigation li {
  margin: 0 var(--spacing-md);
}
.main-navigation a {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: 1rem;
  padding: var(--spacing-sm) 0;
  position: relative;
}
.main-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition-medium);
}
.main-navigation a:hover::after {
  width: 100%;
}
.main-navigation a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

/* ------------------- */
/* HERO SECTION        */
/* ------------------- */
.hero-section {
  background-color: var(--surface);
}
.hero-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--spacing-xxl);
}
.hero-content h1 {
  margin-bottom: var(--spacing-lg);
}
.hero-content p {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xl);
  max-width: 90%;
}
.hero-actions {
  display: flex;
  gap: var(--spacing-md);
}
.hero-image-placeholder img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ------------------- */
/* FEATURE CARDS       */
/* ------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}
.feature-card {
  background-color: var(--surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition-medium);
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.feature-card svg {
  width: 48px;
  height: 48px;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}
.feature-card h3 {
  margin-bottom: var(--spacing-sm);
}

/* ------------------- */
/* DIARY EXAMPLES (TABS) */
/* ------------------- */
.tabs-container {
  max-width: 900px;
  margin: 0 auto;
}
.tabs-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border);
}
.tab-link {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  background-color: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  transition: var(--transition-medium);
}
.tab-link:hover {
  color: var(--primary);
}
.tab-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.tab-content {
  display: none;
  background-color: var(--surface);
  padding: var(--spacing-xl);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
}
.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}
.tab-content h3 {
  margin-top: 0;
}
.tab-content ul {
  list-style-type: "✓ ";
  padding-left: var(--spacing-lg);
}

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

/* ------------------- */
/* CALCULATOR          */
/* ------------------- */
.calculator-section {
  background-color: var(--surface);
}
.calculator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  background-color: var(--bg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
}
.calculator-form-container form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}
.form-group label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  background-color: var(--surface);
  color: var(--text-primary);
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
}
.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 92, 153, 0.2);
}

.calculator-result-container {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
}
#calculator-result {
  transition: var(--transition-medium);
}
#calculator-result svg {
  color: var(--text-secondary);
  opacity: 0.5;
  margin-bottom: var(--spacing-lg);
}
#calculator-result h3 {
  color: var(--text-primary);
}
#calculator-result p {
  color: var(--text-secondary);
  margin-bottom: 0;
}
#calculator-result.calculated svg {
  color: var(--success);
  opacity: 1;
}
#calculator-result.calculated h3 {
  color: var(--success);
}
#calculator-result.calculated .result-text {
  font-size: 1.15rem;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}
#calculator-result.calculated .result-time {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary);
  margin: var(--spacing-md) 0;
}

/* ------------------- */
/* ACCORDION           */
/* ------------------- */
.accordion-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}
.accordion-item {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}
.accordion-header {
  width: 100%;
  background-color: transparent;
  border: none;
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: 1.15rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
}
.accordion-header svg {
  transition: transform var(--transition-medium);
  color: var(--primary);
  min-width: 24px;
}
.accordion-item.active .accordion-header svg {
  transform: rotate(180deg);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}
.accordion-content p {
  padding: 0 var(--spacing-xl);
  margin: 0;
}
.accordion-item.active .accordion-content {
  padding-bottom: var(--spacing-xl);
  max-height: 500px; /* Adjust as needed */
}

/* ------------------- */
/* TESTIMONIALS        */
/* ------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}
.testimonial-card {
  background-color: var(--surface);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.testimonial-card blockquote {
  border: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
  position: relative;
}
.testimonial-card blockquote p {
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-secondary);
}
.testimonial-card blockquote::before {
  content: "“";
  font-family: Georgia, serif;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.2;
  position: absolute;
  top: -1.5rem;
  left: -1rem;
  line-height: 1;
}
.testimonial-card cite {
  font-style: normal;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

/* ------------------- */
/* FAQ                 */
/* ------------------- */
.faq-section {
  background-color: var(--surface);
}
.faq-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  background-color: var(--bg);
  border-radius: var(--border-radius-md);
}
.faq-footer p {
  margin-bottom: var(--spacing-md);
}

/* ------------------- */
/* FINAL CTA           */
/* ------------------- */
.final-cta-section {
  text-align: center;
  background-color: var(--primary);
  color: white;
}
.final-cta-section .container {
  max-width: 800px;
}
.final-cta-section h2 {
  color: white;
}
.final-cta-section p {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}
.final-cta-section .button.large-primary {
  background-color: white;
  color: var(--primary);
  border-color: white;
}
.final-cta-section .button.large-primary:hover {
  background-color: var(--bg);
  color: var(--primary);
  border-color: var(--bg);
}

/* ------------------- */
/* FOOTER              */
/* ------------------- */
.main-footer {
  background-color: var(--surface);
  padding: var(--spacing-xxl) 0;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}
.footer-column h4 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}
.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-column ul li {
  margin-bottom: var(--spacing-sm);
}
.footer-column ul a {
  color: var(--text-secondary);
}
.footer-column ul a:hover {
  color: var(--primary);
  text-decoration: none;
}
.footer-column.contact a {
  color: var(--primary);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--spacing-xl);
  text-align: center;
  font-size: 0.9rem;
}
.footer-bottom p {
  margin: 0;
}

/* ------------------- */
/* COOKIE NOTICE       */
/* ------------------- */
#cookie-notice-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
}
.cookie-notice {
  background-color: var(--surface);
  color: var(--text-primary);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  transform: translateY(200%);
  opacity: 0;
  transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
}
.cookie-notice.visible {
  transform: translateY(0);
  opacity: 1;
}
.cookie-notice p {
  margin: 0;
  font-size: 0.95rem;
}
.cookie-notice a {
  font-weight: var(--font-weight-medium);
}
.cookie-notice .button {
  flex-shrink: 0;
}

/* ------------------- */
/* RESPONSIVE STYLES   */
/* ------------------- */

/* Tablets and larger */
@media (max-width: 1024px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }

  .hero-section .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-image-placeholder {
    order: -1;
    margin-bottom: var(--spacing-xl);
  }

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

/* Mobile devices */
@media (max-width: 768px) {
  body {
    -webkit-text-size-adjust: 100%;
  }

  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  h3 {
    font-size: 1.3rem;
  }

  section {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
  }
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  /* Mobile Header */
  .main-header .button.primary {
    display: none;
  }
  .main-navigation {
    display: none;
  } /* Hide for now, JS will handle it */

  .hero-actions {
    flex-direction: column;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .tabs-nav {
    flex-direction: column;
    gap: 0;
  }
  .tab-link {
    border-bottom-width: 1px;
  }
  .tab-link.active {
    border-bottom-width: 3px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-column ul {
    margin-bottom: var(--spacing-xl);
  }

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

/* ------------------- */
/* SCROLL ANIMATIONS   */
/* ------------------- */
.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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