/*
==========================================================================
    1. CSS Variables & Theme Setup
==========================================================================
*/

:root {
  /* Color Palette: Light Theme */
  --color-primary: #0a4d8c;
  --color-primary-light: #e7f0f7;
  --color-secondary: #d97706;
  --color-background: #f8f9fa;
  --color-surface: #ffffff;
  --color-text-primary: #1c1c1e;
  --color-text-secondary: #5a6472;
  --color-border: #dee2e6;
  --color-success: #198754;
  --color-white: #ffffff;
  --color-black: #000000;

  /* Typography */
  --font-primary: "system-ui", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  --font-secondary: "Georgia", "Times New Roman", serif;
  --font-size-base: 16px;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Responsive Typography Scale */
  --font-size-h1: clamp(2.5rem, 5vw, 4.25rem);
  --font-size-h2: clamp(2rem, 4vw, 3rem);
  --font-size-h3: clamp(1.25rem, 3vw, 1.75rem);
  --font-size-h4: clamp(1.1rem, 2.5vw, 1.25rem);
  --font-size-body: clamp(1rem, 2vw, 1.1rem);
  --line-height-heading: 1.2;
  --line-height-body: 1.7;

  /* Spacing */
  --space-xs: 0.25rem; /* 4px */
  --space-sm: 0.5rem; /* 8px */
  --space-md: 1rem; /* 16px */
  --space-lg: 2rem; /* 32px */
  --space-xl: 4rem; /* 64px */
  --space-xxl: 8rem; /* 128px */

  /* Borders & Shadows */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 0.2s ease-in-out;
  --transition-medium: 0.4s ease-in-out;
  --transition-slow: 0.6s ease-in-out;

  /* Layout */
  --container-width: 1240px;
  --container-padding: var(--space-lg);
}

/* Dark Theme */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #5294e2;
    --color-primary-light: #1a2a3e;
    --color-secondary: #f59e0b;
    --color-background: #0d1117;
    --color-surface: #161b22;
    --color-text-primary: #e6edf3;
    --color-text-secondary: #909da7;
    --color-border: #30363d;
    --color-success: #2ea043;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.25);
  }
}

/*
==========================================================================
    2. Global Resets & Base 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-primary);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

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

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

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

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

ul,
ol {
  list-style: none;
  padding-left: 0;
}

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

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

@media (min-width: 768px) {
  section {
    padding: var(--space-xxl) 0;
  }
}

/*
==========================================================================
    3. Layout & Container
==========================================================================
*/

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

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

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

.section-header p {
  font-size: var(--font-size-h4);
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

/*
==========================================================================
    4. Header & Navigation
==========================================================================
*/

.site-header {
  padding: var(--space-md) 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-medium),
    box-shadow var(--transition-medium);
}

body.scrolled .site-header {
  box-shadow: var(--shadow-md);
}

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

.logo a {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
}

.main-navigation ul {
  display: flex;
  gap: var(--space-lg);
}

.main-navigation a {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  position: relative;
  padding: var(--space-sm) 0;
}

.main-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-medium);
}

.main-navigation a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

@media (max-width: 768px) {
  .main-navigation,
  .header-actions .primary-button {
    display: none;
  }

  .header-content {
    /* Mobile menu button will be added here via JS */
  }
}

/*
==========================================================================
    5. Buttons
==========================================================================
*/

.button {
  display: inline-block;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--border-radius-md);
  padding: 0.75em 1.75em;
  font-size: 1rem;
  transition: all var(--transition-medium);
  user-select: none;
}

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

.button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

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

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

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

.large-button {
  padding: 1em 2.5em;
  font-size: 1.1rem;
}

.small-button {
  padding: 0.5em 1em;
  font-size: 0.9rem;
}

.full-width {
  width: 100%;
}

/*
==========================================================================
    6. Hero Section
==========================================================================
*/

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

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

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-text h1 {
  margin-bottom: var(--space-md);
}

.hero-text .subtitle {
  font-size: var(--font-size-h4);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

/*
==========================================================================
    7. Method Section
==========================================================================
*/
.method-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .method-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.method-card {
  background-color: var(--color-surface);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-medium),
    box-shadow var(--transition-medium);
}

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

.card-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--space-md);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

.method-card h3 {
  margin-bottom: var(--space-sm);
}

.method-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.method-card ul {
  list-style: none;
  margin-top: var(--space-md);
  padding-left: 0;
}

.method-card li {
  position: relative;
  padding-left: 1.5em;
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.method-card li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

/*
==========================================================================
    8. Video Section
==========================================================================
*/

.video-section {
  background-color: var(--color-surface);
}

.video-placeholder {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
}

.video-placeholder img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.video-placeholder:hover img {
  transform: scale(1.05);
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color var(--transition-medium),
    transform var(--transition-medium);
}

.play-button svg {
  width: 40px;
  height: 40px;
  fill: var(--color-primary);
  margin-left: 5px; /* Optical alignment */
}

.video-placeholder:hover .play-button {
  background-color: var(--color-white);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-summary {
  max-width: 800px;
  margin: var(--space-lg) auto 0 auto;
  text-align: center;
  color: var(--color-text-secondary);
}

.video-summary h4 {
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

/*
==========================================================================
    9. Template Section & Form
==========================================================================
*/
.template-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 992px) {
  .template-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .template-image {
    order: 1;
  }
  .template-content {
    order: 2;
  }
}

.template-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.template-content h3 {
  margin-bottom: var(--space-md);
}

.template-form .form-group {
  margin-bottom: var(--space-md);
}

.template-form label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
}

.template-form input {
  width: 100%;
  padding: 0.8em 1em;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.template-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-thank-you {
  padding: var(--space-lg);
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  text-align: center;
}

.form-thank-you h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

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

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

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.testimonial-card {
  background-color: var(--color-background);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-text {
  font-family: var(--font-secondary);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  position: relative;
  padding-left: 2.5rem;
}

.testimonial-text::before {
  content: "“";
  font-family: var(--font-secondary);
  font-size: 5rem;
  color: var(--color-primary-light);
  position: absolute;
  left: -0.5rem;
  top: -1.5rem;
  line-height: 1;
  z-index: 0;
}

.testimonial-author {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  margin-top: auto;
}

.testimonial-author strong {
  display: block;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
}

.testimonial-author span {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/*
==========================================================================
    11. FAQ Section
==========================================================================
*/

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-primary);
}

.faq-question:hover {
  background-color: var(--color-primary-light);
}

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition-medium);
  width: 24px;
  height: 24px;
  stroke: var(--color-text-secondary);
}

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

.faq-answer p,
.faq-answer ul,
.faq-answer ol {
  color: var(--color-text-secondary);
  padding: 0 var(--space-lg) 0 var(--space-lg);
}

.faq-answer p:last-of-type,
.faq-answer ul:last-of-type,
.faq-answer ol:last-of-type {
  padding-bottom: var(--space-lg);
}

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

.faq-item.active .faq-answer {
  max-height: 1000px; /* Should be larger than any possible content */
}

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

.faq-answer ol {
  list-style-type: decimal;
  padding-left: calc(var(--space-lg) + 1.2em);
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
}

.faq-answer ol li {
  margin-bottom: var(--space-sm);
}
/*
==========================================================================
    12. CTA Section
==========================================================================
*/

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

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2,
.cta-content p {
  color: var(--color-white);
}

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

.cta-content p {
  opacity: 0.9;
  margin-bottom: var(--space-lg);
}

.cta-content .primary-button {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.cta-content .primary-button:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

/*
==========================================================================
    13. Footer
==========================================================================
*/

.site-footer {
  background-color: var(--color-surface);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

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

@media (min-width: 576px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-column h4 {
  font-size: 1.1rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.about-column p {
  margin-bottom: var(--space-md);
}

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

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

.social-links a:hover {
  color: var(--color-primary);
}

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

.links-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.links-column a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

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

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

/*
==========================================================================
    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-md);
  box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
  z-index: 2000;
  transform: translateY(150%);
  transition: transform var(--transition-medium);
}

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

.cookie-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  max-width: var(--container-width);
  margin: 0 auto;
}

.cookie-content p {
  margin: 0;
  flex-grow: 1;
}

.cookie-buttons {
  display: flex;
  gap: var(--space-md);
  flex-shrink: 0;
}

/*
==========================================================================
    15. Animations & Helper Classes
==========================================================================
*/
.fade-in {
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.fade-in.visible {
  opacity: 1;
}

.slide-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}