/*
 * MindMoney - Custom Stylesheet
 * Version: 1.0.0
 * Author: Gemini AI
 */

:root {
  /* Light Theme */
  --color-background: #f9fafb;
  --color-surface: #ffffff;
  --color-primary: #1d4ed8;
  --color-primary-hover: #1e40af;
  --color-text-primary: #111827;
  --color-text-secondary: #4b5563;
  --color-text-subtle: #6b7280;
  --color-border: #e5e7eb;
  --color-border-hover: #d1d5db;
  --color-focus-ring: rgba(59, 130, 246, 0.4);
  --color-success: #16a34a;
  --color-cookie-banner-bg: #1f2937;
  --color-cookie-banner-text: #f9fafb;

  /* Typography */
  --font-family-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-base: 16px;
  --font-size-xs: 0.75rem; /* 12px */
  --font-size-sm: 0.875rem; /* 14px */
  --font-size-md: 1rem; /* 16px */
  --font-size-lg: 1.125rem; /* 18px */
  --font-size-xl: 1.25rem; /* 20px */
  --font-size-2xl: 1.5rem; /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem; /* 36px */
  --font-size-5xl: 3rem; /* 48px */
  --font-size-6xl: 3.75rem; /* 60px */

  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
  --spacing-32: 8rem;

  /* Borders & Radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-width: 1px;

  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #111827;
    --color-surface: #1f2937;
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-text-primary: #f9fafb;
    --color-text-secondary: #d1d5db;
    --color-text-subtle: #9ca3af;
    --color-border: #374151;
    --color-border-hover: #4b5563;
    --color-focus-ring: rgba(96, 165, 250, 0.4);
    --color-success: #22c55e;
    --color-cookie-banner-bg: #f9fafb;
    --color-cookie-banner-text: #1f2937;
  }
}

*,
*::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(--color-background);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-6);
  padding-right: var(--spacing-6);
}

h1,
h2,
h3,
h4 {
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  font-weight: 700;
}

h1 {
  font-size: var(--font-size-5xl);
}
h2 {
  font-size: var(--font-size-4xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-lg);
}

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

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(--spacing-5);
  margin-bottom: var(--spacing-4);
}

li {
  margin-bottom: var(--spacing-2);
}

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

button,
input[type="email"],
input[type="text"] {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border-radius: var(--border-radius-md);
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--color-focus-ring);
}

.cta-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-surface);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
}

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

/* Header */
.main-header {
  background-color: var(--color-background);
  padding: var(--spacing-4) 0;
  border-bottom: var(--border-width) solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background-color: rgba(249, 250, 251, 0.8);
}

@media (prefers-color-scheme: dark) {
  .main-header {
    background-color: rgba(17, 24, 39, 0.8);
  }
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
}

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

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

.nav-links {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--spacing-8);
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

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

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

/* Section General Styles */
section {
  padding-top: var(--spacing-24);
  padding-bottom: var(--spacing-24);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin-bottom: var(--spacing-4);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-subtle);
  margin: 0 auto;
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding-top: var(--spacing-20);
  padding-bottom: var(--spacing-20);
}

.hero-content h1 {
  margin-bottom: var(--spacing-6);
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
}

.hero-content .subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  max-width: 65ch;
  margin: 0 auto var(--spacing-12) auto;
}

.hero-image-wrapper {
  margin: var(--spacing-12) auto;
  max-width: 700px;
}

.hero-image {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
}

/* Patterns Section (Tabs) */
.patterns-section {
  background-color: var(--color-surface);
  border-top: var(--border-width) solid var(--color-border);
  border-bottom: var(--border-width) solid var(--color-border);
}

.tabs-container {
  max-width: 900px;
  margin: 0 auto;
}

.tabs-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-10);
  border-bottom: var(--border-width) solid var(--color-border);
  padding-bottom: var(--spacing-4);
}

.tab-link {
  padding: var(--spacing-3) var(--spacing-6);
  border: none;
  background-color: transparent;
  cursor: pointer;
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-subtle);
  border-radius: var(--border-radius-md);
  transition: var(--transition-medium);
  border-bottom: 2px solid transparent;
}

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

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

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

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

.tab-content h3 {
  margin-bottom: var(--spacing-6);
}

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

.tab-content ul li {
  padding-left: var(--spacing-6);
  position: relative;
  margin-bottom: var(--spacing-4);
}

.tab-content ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--color-primary);
  font-weight: bold;
}

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

/* Assessment Section */
.assessment-section {
  background-color: var(--color-background);
}

.assessment-form-container {
  max-width: 700px;
  margin: 0 auto;
  background-color: var(--color-surface);
  padding: var(--spacing-10);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.question-block {
  margin-bottom: var(--spacing-8);
}

.question {
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
}

#financial-dna-test label {
  display: block;
  margin-bottom: var(--spacing-3);
  padding: var(--spacing-3);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
}

#financial-dna-test label:hover {
  background-color: var(--color-background);
  border-color: var(--color-border-hover);
}

#financial-dna-test input[type="radio"] {
  margin-right: var(--spacing-3);
  accent-color: var(--color-primary);
  width: 1.1em;
  height: 1.1em;
}

#financial-dna-test .cta-button {
  width: 100%;
  font-size: var(--font-size-lg);
}

.assessment-result-container {
  text-align: center;
  padding: var(--spacing-8);
}

.assessment-result-container h3 {
  margin-bottom: var(--spacing-2);
}

.assessment-result-container p {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-8);
}

/* Advice Section */
.advice-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-8);
}

.advice-card {
  background-color: var(--color-surface);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-medium);
  border: var(--border-width) solid var(--color-border);
}

.advice-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.advice-icon {
  margin-bottom: var(--spacing-4);
  background-color: rgba(59, 130, 246, 0.1);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.advice-icon svg {
  color: var(--color-primary);
  width: 24px;
  height: 24px;
}

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

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

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

.testimonial-card {
  background-color: var(--color-background);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  border: var(--border-width) solid var(--color-border);
  margin: 0;
}

.testimonial-card p {
  font-style: italic;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  position: relative;
  padding-left: var(--spacing-8);
  margin-bottom: var(--spacing-6);
}

.testimonial-card p::before {
  content: "“";
  position: absolute;
  left: 0;
  top: -10px;
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.3;
  font-family: Georgia, serif;
}

.testimonial-card footer {
  font-style: normal;
  font-weight: 600;
  color: var(--color-text-subtle);
}

/* FAQ Section (Accordion) */
.accordion {
  max-width: 800px;
  margin: 0 auto;
}

.accordion-item {
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-4);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: var(--spacing-5) var(--spacing-6);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.accordion-icon {
  transition: transform 0.3s ease;
  color: var(--color-text-subtle);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-content p {
  padding: 0 var(--spacing-6) var(--spacing-6) var(--spacing-6);
  margin: 0;
  line-height: var(--line-height-relaxed);
}

/* CTA Section */
.cta-section {
  background-color: var(--color-primary);
  color: #ffffff;
  text-align: center;
  padding: var(--spacing-24) 0;
}

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

.cta-content h2 {
  margin-bottom: var(--spacing-4);
}

.cta-content p {
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
}

.subscribe-form .form-group {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  max-width: 500px;
  margin: 0 auto;
}

.subscribe-form input[type="email"] {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid transparent;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-text-primary);
}

.subscribe-form input[type="email"]::placeholder {
  color: var(--color-text-subtle);
}

.subscribe-form .cta-button {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.subscribe-form .cta-button:hover {
  background-color: #f0f0f0;
  color: var(--color-primary-hover);
}

.thank-you-message {
  margin-top: var(--spacing-6);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-success);
  background-color: var(--color-surface);
  display: inline-block;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--border-radius-md);
}

/* Footer */
.main-footer {
  background-color: var(--color-surface);
  color: var(--color-text-subtle);
  padding-top: var(--spacing-16);
  border-top: var(--border-width) solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-12);
  padding-bottom: var(--spacing-12);
}

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

.footer-logo {
  margin-bottom: var(--spacing-4);
}

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

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

.footer-column ul li {
  margin-bottom: var(--spacing-3);
}

.footer-column ul a {
  color: var(--color-text-subtle);
  font-size: var(--font-size-sm);
}

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

.footer-column.contact p {
  font-size: var(--font-size-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
}

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

.footer-bottom {
  border-top: var(--border-width) solid var(--color-border);
  padding: var(--spacing-6) 0;
  text-align: center;
  font-size: var(--font-size-sm);
}

/* Cookie Banner */
.cookie-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-cookie-banner-bg);
  color: var(--color-cookie-banner-text);
  padding: var(--spacing-5) 0;
  z-index: 1000;
  display: none;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.cookie-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-6);
}

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

.cookie-consent-banner a {
  color: var(--color-primary);
  font-weight: 600;
}

.cookie-button {
  flex-shrink: 0;
  background-color: var(--color-primary);
  color: var(--color-surface);
}

@media (prefers-color-scheme: dark) {
  .cookie-button {
    background-color: var(--color-surface);
    color: var(--color-cookie-banner-bg);
  }
}

/* Scroll Animations */
.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.645, 0.045, 0.355, 1),
    transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

/* Responsive Styles */

@media (max-width: 1024px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
  h2 {
    font-size: var(--font-size-3xl);
  }

  section {
    padding-top: var(--spacing-20);
    padding-bottom: var(--spacing-20);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-10);
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    border-bottom: var(--border-width) solid var(--color-border);
    padding: var(--spacing-4);
    gap: var(--spacing-4);
    box-shadow: var(--shadow-md);
  }

  .nav-links.active {
    display: flex;
  }

  /* A mobile menu toggle button would be needed in HTML to use this */
  .mobile-menu-toggle {
    display: block; /* Initially hidden, shown on mobile */
  }

  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: var(--font-size-2xl);
  }

  .hero-content .subtitle {
    font-size: var(--font-size-lg);
  }

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

  .tabs-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .tab-link {
    flex-grow: 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-column.contact p {
    justify-content: center;
  }
  .footer-column.about {
    text-align: center;
  }
  .footer-column.about .logo {
    justify-content: center;
  }

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

@media (max-width: 480px) {
  .container {
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }

  section {
    padding-top: var(--spacing-16);
    padding-bottom: var(--spacing-16);
  }

  h1 {
    font-size: 2rem;
  }
  .hero-content .subtitle {
    font-size: var(--font-size-md);
  }

  .cta-section .form-group {
    flex-direction: column;
  }
}